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Release 3.0

173

Section 5. Current Sharing (6000 Watt only)

Overview

The current sharing function is only available for 6000 Watt units. Power supplies 
can be equipped with the optional CANbus interface to allow current sharing 
between units connected in parallel. Current sharing can use a maximum of 5 
supplies. All power supplies must be the same model. Every unit must have a unique 
address. See “Multichannel Operation (6000 Watt only)” on page 113.

Figure 5.1

Connections for Current Share Operation

Theory of

Operation

Power supplies may be connected in parallel to supply a large current to a load. 
Typically, because of differences in the load connections, each power supply may 
provide different amounts of current to the load.

When multiple power supplies are configured for current sharing, the master supply 
will make minute changes to the slave’s voltage and current to equalize the current 
draw from each.

The slaves will track the master's voltage, current, output and output on/off setting. 

Summary of Contents for XDC

Page 1: ...igital Programmable DC Power Supply XDC 10 1200 XDC 20 600 XDC 30 400 XDC 40 300 XDC 60 200 XDC 80 150 XDC 100 120 XDC 150 80 XDC 300 40 XDC 600 20 XDC 10 600 XDC 20 300 XDC 30 200 XDC 40 150 XDC 60 100 XDC 80 75 XDC 100 60 XDC 150 40 XDC 300 20 XDC 600 10 ...

Page 2: ......

Page 3: ...Operating Manual for XDC 6000 Watt and 12000 Watt Series Digital Programmable DC Power Supply ...

Page 4: ...serves the right to use parts or products of original or improved design in the repair or replacement If Xantrex repairs or replaces a product its warranty continues for the remaining portion of the original Warranty Period or 90 days from the date of the return shipment to the customer whichever is greater All replaced products and all parts removed from repaired products become the property of X...

Page 5: ...he product exchanged under warranty What does this warranty not cover This Limited Warranty does not cover normal wear and tear of the product or costs related to the removal installation or troubleshooting of the customer s electrical systems This warranty does not apply to and Xantrex will not be responsible for any defect in or damage to a the product if it has been misused neglected improperly...

Page 6: ...LL XANTREX BE LIABLE FOR ANY SPECIAL DIRECT INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES LOSSES COSTS OR EXPENSES HOWEVER ARISING WHETHER IN CONTRACT OR TORT INCLUDING WITHOUT RESTRICTION ANY ECONOMIC LOSSES OF ANY KIND ANY LOSS OR DAMAGE TO PROPERTY ANY PERSONAL INJURY ANY DAMAGE OR INJURY ARISING FROM OR AS A RESULT OF MISUSE OR ABUSE OR THE INCORRECT INSTALLATION INTEGRATION OR OPERATION OF THE...

Page 7: ...our product user manual for limitations on uses of the product Specifically please note that this power supply is not intended for use in connection with life support systems and Xantrex makes no warranty or representation in connection with any use of the product for such purposes Xantrex Technology Inc 8999 Nelson Way Burnaby British Columbia Canada V5A 4B5 Information About Your Power Supply Pl...

Page 8: ...s energy for some time after power is removed CAUTION Operate the power supply in an environment free of flammable gases or fumes To ensure that the power supply s safety features are not compromised use the power supply as specified in this manual and do not substitute parts or make any unauthorized modifications Contact the service technician for service and repair help Repairs must be made by e...

Page 9: ...Release 3 0 vii IEC Symbols Used in This Manual Earth Ground Terminal Protective Conductor Terminal On Supply Off Supply Warning Shock Hazard Caution Check manual for specific information ...

Page 10: ...nvironment CSA Certified CSA C22 2 No 1010 1 92 UL Listed pending Meets UL3101 1 Electrical Equipment for Laboratory Use Part 1 General Requirements General safety requirements for electrical equipment intended for professional industrial process and educational use including equipment and computing devices for measurement and test control laboratory use and accessories intended for use with the a...

Page 11: ...tion 1 About the XDC Power Supply describes the power supply features front panel controls front panel display and rear panel connectors It also gives an overview of operation Section 2 Installation describes how to mount the power supply how to connect it and how to run initial self tests Section 3 Operation describes basic operation and functions carried out from the front panel using the functi...

Page 12: ...ix C Error Messages describes the error messages that could appear during operation Appendix D GPIB describes the General Purpose Interface Bus GPIB commands and lines supported by this model Appendix E Specifications and Characteristics provides electrical and mechanical specifications Revisions The current release of this manual is listed below Updates may be issued as an addendum Release 3 0 20...

Page 13: ...rning Power Supplies to the Manufacturer 35 Return Material Authorization Policy 35 Packaging for Shipping or Storage 36 Location Mounting and Ventilation 37 Rack Mounting 37 Ventilation 39 AC Input Power 40 AC Input Connector 40 AC Input Wire 41 AC Wire Input Connection for 6000 W 41 AC Wire Input Connection for 12000 W 43 Basic Checks or Self Tests 45 Equipment Required 45 Display Test 45 Power ...

Page 14: ...CV 59 Constant Current CC 59 Constant Power CP 59 Automatic Mode Crossover 59 Remote Control Modes 60 Front Panel Controls 61 Function Keys 61 Menu Navigation 62 Top Level Menu Items 62 Control Knobs 63 Power Supply Operation 64 Set Voltage 64 Set Current 64 Set Power 65 Turn Output On or Off 65 Set Output Protection 65 Set Shutdown Recovery for AC Off and OTP 71 Respond to Alarms 72 Set Up Remote...

Page 15: ...view 105 Making Connections for Remote Control 107 Remote Analog Operation 108 Analog Connections 108 Configure Analog Control 110 Using Remote Analog Control 112 Multichannel Operation 6000 Watt only 113 Multichannel Connections 113 Configuration 114 Setup 114 Using Multichannel Operation 115 Multichannel Commands 116 Multichannel Broadcast Commands 117 Specifications 117 RS 232 Operation 118 RS ...

Page 16: ...Commands 157 Section 5 Current Sharing 6000 Watt only Overview 173 Theory of Operation 173 Configure Current Share 174 Setup Current Sharing Network 175 Operation 176 Errors 176 Specifications 177 Appendix A Calibration Overview 179 Entering Calibration Mode 179 Front Panel 180 SCPI 181 Security code 181 Setup and Equipment 182 Front Panel Calibration Procedure 183 Output Voltage 183 Output Curren...

Page 17: ...Boolean Parameters 197 Discrete Parameters 197 Numeric Parameters 197 String Parameters 197 SCPI Command Summary 198 Notations Used in the Tables 198 Expressions 213 Appendix C Error Messages Overview 215 Command Error List 216 Execution Error List 216 Device Specific Error List 218 Query Error List 219 User Request Event 219 Operation Complete Event 219 Front Pane0l Error Codes 220 CPU Error Code...

Page 18: ...erface Functions 224 Electrical Specifications 225 Driver Requirements 225 Mechanical Specifications 225 Performance Specifications 225 Appendix E Specifications and Characteristics Electrical Specifications Summary 228 AC Line Input Specifications 236 AC Line Input Voltage Operating Ranges 236 Output Performance Specifications 237 Environmental Specification 242 Thermal Specification 242 Humidity...

Page 19: ...Register 146 Table 4 11 SHUTdown Sub Register 146 Table 4 12 Protection SHUTdown Sub Register 147 Table 4 13 Remote CONtrol Sub Register 148 Table 4 14 Current SHare Sub Register 148 Table 4 15 QUEStionable Status Register 151 Table 4 16 VOLTage Sub Register 152 Table 4 17 CURRent Sub Register 152 Table 4 18 POWer Sub Register 152 Table 4 19 TEMPerature Sub Register 153 Table 4 20 Standard Event S...

Page 20: ...s 220 Table C 11 CANbus Error Codes 221 Table C 12 Multichannel Error Codes 221 Table C 13 Current Share Error Codes 222 Table D 1 Multiline Control Functions 224 Table D 2 Interface Functions 224 Table D 3 Driver Types for Interface Lines 225 Table E 1 Specifications for 6000 Watt units 10V to 60V Models 228 Table E 2 Drift Specifications for 6000 Watt units 10V to 60V Models 229 Table E 3 Specif...

Page 21: ...t Wires for 12000 Watt units 44 Figure 2 7 Fastening the Output Wires 6000 Watt 52 Figure 2 8 Output Bus Bar Cover for 6000 Watt units 53 Figure 2 9 Output for 12000 Watt units Low and Medium Voltage 53 Figure 2 10 Output Cover with Strain Relief for 6000 Watt units 54 Figure 2 11 Output for 12000 Watt units High Voltage 300 600V 55 Figure 4 1 View of Remote Interface Connections 107 Figure 4 2 Sc...

Page 22: ...List of Figures xx Operating Manual for XDC Series Power Supply ...

Page 23: ...ency and higher reliability Active Power Factor Correction PFC for lower input current draw and lower current harmonic generation Remote voltage sense with 5V line drop compensation Automatic Voltage Current mode crossover Constant power mode Seven load protection mechanisms Alarms and messages for over and under programmed trip points Auxiliary status lines for monitoring power supply conditions ...

Page 24: ...upply status at a glance Front panel software based calibration Fully isolated analog programming and readback capabilities CE Mark CSA Certified FCC Compliance UL pending These features are available on 6000 Watt units when the power supply is equipped with the optional GPIB CANbus interface card Front Panel Figure 1 1 Front Panel 6000 Watt 1 2 3 4 5 6 7 8 1 2 ...

Page 25: ...ure 1 2 Front Panel 12000 Watt 1 Rack mount brackets 2 Handles 3 On Off switch 4 Air intake vents 5 Front panel display vacuum fluorescent display See Figure 1 4 for details 6 Voltage knob 7 Current knob 8 Keypad See Figure 1 3 for details 1 2 3 4 5 6 7 8 1 2 ...

Page 26: ...rrent output setpoint TRIGGER for Auto Sequence Program Apply a trigger when requested This key may also be used to advance to the next step in the program by pressing and holding 5 STORE settings key Save power supply output settings to one of ten locations END Auto Sequence Programming Stop the program The program will start from the beginning when RUN is pressed 6 OUT ON OFF key Toggle between ...

Page 27: ...Numbers 0 to 9 used for data entry 12 Decimal key Enter a decimal Used for data entry 13 CE key Clear the entire data field Used for data entry In Store User Setting mode used to delete selected setting or program 14 Up arrow key Scroll through menus and lists or in data entry mode increase the displayed value In default operating mode use this key to view the output power In Auto Sequence Operati...

Page 28: ...S D if tripped S D if tripped S D if tripped Select fold delay Select Y or N Select Y or N Select Y or N Select Y or N Select Y or N Read Alarms Read alarm msgs Store User Setting Select 1 to 10 Recall Factory default Last setting User setting Auto sequence Select 1 to 10 Select 1 to 10 Auto Sequence Operation Run Pause Trigger Stop MENU Access menu functions ENTER Make a selection UP DOWN Scroll ...

Page 29: ...nish Delete Step Set Repeat Select repetitions for sequence Trig Source Select trigger source Delete Sequence Confirm delete CURRENT SHARE No sharing Master Slave Display summed current Select Y or N POWER SETPOINT Set power DISPLAY CONFIG Set display config KNOB LOCKOUT Lock voltage knob Lock current knob SETPOINT LIMIT Voltage limit Current limit Power limit Enter max limit Enter max limit Enter...

Page 30: ...xels wide by 7 pixels high 2 Status Annunciators See Status Annunciators on page 28 and Figure 1 5 for detailed information 3 Voltage Current and Power Bar Graphs Show present voltage current limit and power output in graphical format Also indicates regulation mode Status Annunciators Figure 1 5 Front Panel Display Status Annunciators MODEL INFO View info 2 3 1 1 3 5 7 11 13 15 17 19 2 4 6 8 9 10 ...

Page 31: ...wer supply is being addressed receiving data All remote digital interfaces 12 LCL Power supply is under local front panel control 13 SRQ Service request GPIB only 14 RMT Power supply is under remote control 15 ALARM Power supply is operating outside the parameters the user set by using PROT SET or the power supply s internal temperature has exceeded an internally set trip point OTP 16 OUT OFF Powe...

Page 32: ...eft is negative right is positive 3 DC Output Bus bars are shown Terminal blocks are used for higher voltages 300 and 600 Vdc only 4 Auxiliary Status Lines External Interlock and Trigger Input 5 Analog Program and Readback 6 CANbus Port For current sharing or multichannel operation optional for 6000 Watt units 7 RS 232 Connector 8 GPIB optional 9 Protective Conductor Ground Screw 10 AC Input 11 Ch...

Page 33: ...figure Power ON Settings on page 84 for more information Control Modes One local method and 4 remote methods are available for controlling the power supply Local Mode Where the user operates the menu keypad and knobs RS 232 Where the user operates the supply remotely through a serial port connection standard feature GPIB Where the user operates the supply remotely through the faster General Purpos...

Page 34: ...About The XDC Power Supply Overview of Operation 32 Operating Manual for XDC Series Power Supply ...

Page 35: ...which contains more details Complete each step in the sequence given Table 2 1 Basic Setup Procedure Step Description Action Reference 1 Inspection Visually inspect the power supply Inspection Cleaning and Packaging on page 34 2 Installation Install the power supply ensuring adequate ventilation Location Mounting and Ventilation on page 37 3 Input Power Connect AC input power AC Input Power on pag...

Page 36: ...ches and cracks as well as broken switches connectors or displays If the unit is damaged save all packaging materials and notify the carrier immediately Maintenance Routine servicing of the power supply is not required except for periodic cleaning Whenever a unit is removed from operation clean the metal surfaces with naphtha or an equivalent mild solvent and clean the front panel with a damp clot...

Page 37: ...ures on page 36 preferably using the original box and packing materials Please ensure that your product is shipped fully insured in the original packaging or equivalent This warranty will not apply where the product is damaged due to improper packaging 2 Include the following The RMA number supplied by Xantrex Technology Inc clearly marked on the outside of the box A return address where the unit ...

Page 38: ...ng repack the power supply in its original container If the original container is not available seal the unit in a plastic bag and then pack it into a wooden or sturdy cardboard box large enough to allow 2 in 5cm of cushioning material to surround the unit For cushioning use material such as foam slabs that are capable of supporting the unit 3 Label the box as shown below in Figure 2 1 4 If shippi...

Page 39: ...stant s holds the unit steady fasten it to the rack by inserting bolts through the mounting brackets on either side of the front panel and securing them with a washer and nut 4 The front panel mounting brackets are designed to prevent the unit from sliding out of the rack not to support its full weight Provide adequate support for the rear of the unit without obstructing the ventilation inlets Use...

Page 40: ...Installation Location Mounting and Ventilation 38 Operating Manual for XDC Series Power Supply Figure 2 2 Unpacking the Power Supply 6000 Watt shown ...

Page 41: ...lets on the front of the unit and allow 4 in 10 cm of unrestricted air space at the rear of the unit for the fan exhaust Ventilation inlets are located on the top and sides they are not required however and may be blocked if required See Specifications and Characteristics on page 227 for the operating ambient temperature range 1 Available from rack or cabinet vendors e g Schroff part number 30150 ...

Page 42: ...hown in Figure 2 4 and Figure 2 6 Figure 2 4 AC Input Connector for 6000 Watt units WARNING Disconnect AC power from the unit before removing the connector cover Live line voltages may be exposed when the cover is removed WARNING A safety ground wire must be connected to the unit as shown in Figure 2 4 and Figure 2 6 to ensure operator safety CAUTION When the power switch is turned on output volta...

Page 43: ...h the strain relief until the outer cable jacket is flush with the inside of the strain relief Tighten the strain relief cable clamp screws 5 Insert the ground wire green 0 55 in 14 mm into the left most terminal location and tighten securely The safety ground wire may alternatively be connected to the chassis ground stud next to the terminal block using a suitably sized ring terminal AC Input Vol...

Page 44: ...he 3 line input connectors To connect each wire loosen the terminal screw insert the stripped wire 0 55 in 14mm into the terminal and tighten the screw securely 7 Reinstall the AC input strain relief cover routing wires inside the cover to prevent pinching 8 Connect the free end of the cable to the AC source checking that the voltage is within the approved input range for the supply 9 Energize the...

Page 45: ...de the AC input bracket Tighten the cable clamp screws and the strain relief nut inside the AC input bracket until the AC input wire is firmly held between the nut and the cable clamp screws 5 Insert the ground wire green 0 55 in 14 mm into the left most terminal location and tighten securely 6 Route the AC wires to the input terminal block by connecting the red black and white wires to the remain...

Page 46: ...t Power 44 Operating Manual for XDC Series Power Supply Figure 2 6 Attaching the AC Input Wires for 12000 Watt units AC input cover plate left terminal 3 right terminals 3 Phase Terminal Block Connectors Ground Connection ...

Page 47: ...el should illuminate for 2 seconds as part of the power on self test If you need to rerun the test 1 Turn the power switch OFF 2 Wait until the pixels fade to black Some residual charge may remain in the capacitors after the power is OFF Waiting for the display to fade ensures that the capacitors have sufficiently discharged their power to reset the power supply 3 Turn the power switch ON 4 Observ...

Page 48: ... error message and consult Appendix C to determine the meaning of the error If an unexpected error persists after the power has been cycled contact the manufacturer for assistance Voltage Mode Operation Check To complete the voltage mode operation check 1 Ensure that the OUT OFF annunciator is illuminated If OUT ON is illuminated press OUT ON OFF 2 Connect a Digital Voltmeter DVM to the output ter...

Page 49: ...the OUT OFF annunciator is illuminated If OUT ON is illuminated press OUT ON OFF 2 Connect the DC shunt across the output terminals on the rear panel 3 Connect the DVM across the DC shunt 4 Press OUT ON OFF to turn the DC output ON 5 Slowly turn the Voltage knob clockwise to a maximum reading of 10V 6 Slowly turn the Current knob clockwise to a maximum reading of 10A 7 Compare the DVM reading with...

Page 50: ... on 450A per square centimeter for various gauges of wire rated for 105 C operation Operating at the maximum current rating results in a temperature rise of approximately 30 C for a wire operating in free air Where load wiring must operate in areas with elevated ambient temperatures or bundled with other wiring use larger gauges or higher temperature rated wiring For high current applications cust...

Page 51: ...ompensate for up to 5V drop in each line with the remote sense lines connected Noise and Impedance Effects To minimize noise pickup or radiation use the shortest possible length of shielded twisted pair wiring for load lines Connect the shield to the chassis via a rear panel mounting screw Where shielding is not possible or is impractical twisting the wires together offers some noise immunity When...

Page 52: ...nd negative output current and must be rated for 105 C operation WARNING Exercise caution when operating the power supply High energy levels can be stored at the output terminals on a power supply in normal operation In addition potentially lethal voltages exist in the power circuit and on the output and sense connectors of a power supply with a rated output greater than 40V Filter capacitors stor...

Page 53: ...oot pounds 34Nm 4 Fasten the positive wire or bus bar to the positive bus using a bolt washer and nut 5 Tighten the bolt to approximately 25 foot pounds 34Nm 6 Ensure that the positive and negative wires are arranged so bare wires do not come into contact with each other or the chassis To connect the DC output wire clamp connectors 300V 600V outputs Connect appropriately sized wires as described i...

Page 54: ...en loads bring the wiring for each load directly back to the supply output When each load to the power supply is wired separately the loads will see only the precisely regulated output from the supply If 2 loads share a single cable the fluctuation in current to one load will cause the voltage to vary on the others This is due to wire impedance drops Figure 2 7 Fastening the Output Wires 6000 Watt...

Page 55: ...igure 2 9 for installation of the output cover Use this cover to protect users from accidental contact with the bus bars and to clamp output cables in place Figure 2 8 Output Bus Bar Cover for 6000 Watt units Low and Medium Voltage Figure 2 9 Output for 12000 Watt units Low and Medium Voltage ...

Page 56: ...Installation Load Connections 54 Operating Manual for XDC Series Power Supply Figure 2 10Output Cover with Strain Relief for 6000 Watt units High Voltage 300 600V ...

Page 57: ...Installation Load Connections Release 3 0 55 Figure 2 11Output for 12000 Watt units High Voltage 300 600V ...

Page 58: ... voltage drop in the load lines caused by their resistance Remote sensing has no effect when the power supply is operating in Constant Current mode Two remote sensing connectors are located on the rear panel of the power supply See Rear Panel on page 30 for location and polarity Connect 2 wires from these ports to the load where the power supply cables terminate for your connection Carefully obser...

Page 59: ... Powering ON the Power Supply To power on the power supply 1 Ensure that the AC power switch is OFF 2 Connect the unit to an AC outlet 3 Turn on the front panel AC power switch After a short power on delay the digital meters on the front panel and the CV annunciator illuminate The voltmeter and ammeter displays should read zero Check the front panel annunciators If OUT ON is illuminated press OUT ...

Page 60: ...power settings The power supply can be placed in the Output Shutdown state by a command via the front panel or from the programming interface via the Interlock signal or from a protection mechanism This is also called the Standby mode Soft Start In this state the output power is ramping up gradually towards its target load This reduces equipment stress This state occurs whenever the supply output ...

Page 61: ...stant Power CP In this mode the supply s output power is constant while the voltage and current vary with the load resistance The power supply will operate in Constant Power mode when the power drawn by the load is equal to the power setpoint and the product of the voltage and current setpoint VSET and ISET is greater than the power limit point PSET In Constant Power mode the power supply maintain...

Page 62: ... or from a remote terminal using a remote digital interface A remote digital interface following RS 232 protocol is standard An optional remote digital interface following IEEE 488 2 GPIB protocol is also available An optional CANbus port for 6000 Watt units is also available which enables multi channel communication from a single GPIB address and supports current sharing with parallel connected u...

Page 63: ...b or the numeric keypad to enter a value and then press ENTER to enable it See Set Voltage on page 64 This output can be changed while the output is OFF 2 CURRENT Lets you pre set a setpoint before enabling it To pre set a current setpoint press CURRENT use the Current knob or the numeric keypad to enter a value and then press ENTER to enable it See Set Current on page 64 This output can be change...

Page 64: ...p to 50 queued errors See Read Error Messages on page 82 2 USER LINES Configures auxiliary lines A and B See Configure User Lines on page 83 3 PON CONFIG Configures the power on settings See Configure Power ON Settings on page 84 4 S D RECOVERY Sets up shutdown recovery options for AC Off and Over Temperature Protection See Set Shutdown Recovery for AC Off and OTP on page 71 5 REMOTE SELECT Sets u...

Page 65: ...enu This menu item can be password protected See Appendix 15 MODEL INFO Displays make electrical ratings ROM version FPGA version and SCPI version See View Model Information on page 104 Control Knobs The Voltage and Current knobs are the simplest way to control the power supply The Voltage and Current knobs are digital encoders and therefore there are no start or end points to their rotation and t...

Page 66: ...e CURRENT key allows you to set and view the DC current output setpoint Step Do This You Will See 1 Set V 2 Use the numeric keypad Voltage knob or arrow keys to enter a value 0 103 of rated voltage 3 This saves the setting and enables the new voltage setpoint VOLTAGE ENTER Step Do This You Will See 1 Set A 2 Use the numeric keypad Current knob or arrow keys to enter a value 0 103 of rated current ...

Page 67: ...nd the OUT OFF annunciator illuminates This is also known as Standby mode When you press OUT ON OFF again the OUT ON annunciator illuminates and the power supply resumes normal operation with the display showing a readback of the output Set Output Protection Seven configurable protection mechanisms are available OVP Over Voltage Protection Factory default 103 VRATED UVP Under Voltage Protection Fa...

Page 68: ... period of time Other protection mechanisms designed to protect the power supply are AC Off AC Off protection will disable the output if the AC line drops below the acceptable range High Temperature Alarm A High Temperature condition will queue an alarm message when the temperature of critical internal components nears the maximum operating temperature Over Temperature Protection OTP An over tempe...

Page 69: ... OVP prompt you with S D if trip N Use the arrow keys to select Yes or No Yes shuts down the power supply if the protection limit is reached No issues a warning a message in the Alarms menu without shutting down the supply Step Do This You Will See 1 OVP SHUTDOWN 2 OVP SET 0V 3 Use the Voltage knob the numeric keypad or the arrow keys to enter a value The value must be between 0 103 of the unit s ...

Page 70: ...rrow keys to select Yes or No For this example Yes is selected S D if trip Y 7 This setting is saved and the display returns to its default operating mode Step Do This You Will See 1 OVP SET 0V 2 Press repeatedly until the desired setting appears OCP SET 0A 3 OCP SET 0A 4 Use the Current knob the numeric keypad or the arrow keys to enter a value 0 103 of the unit s rated current OCP SET A 5 S D if...

Page 71: ...ected S D if trip Y 7 This setting is saved and the display returns to its default operating mode Step Do This You Will See 1 OVP SET 0V 2 Press repeatedly until the desired setting appears OPP SET 0W 3 OPP SET 0W 4 Use both the Current and Voltage knobs or the numeric keypad or the arrow keys to enter a value The value must be between 0W and 103 of the unit s rated power OPP SET W 5 S D if trip N...

Page 72: ...utting down the output Step Do This You Will See 1 OVP SET 0V 2 Press repeatedly until the desired setting appears UPP SET 0W 3 UPP SET 0W 4 Use both the Current and Voltage knobs or the numeric keypad or the arrow keys to enter a value must be between 0W and 103 of the unit s rated power UPP SET W 5 S D if trip N 6 Use the arrow keys to select Yes or No For this example Yes is selected S D if tri...

Page 73: ...y would return to its normal operating state once the temperature was reduced below the alarm level Latched With this method the power supply remains in Shutdown state until the operator manually clears the protection level and manually turns the output back on You can set either or both the OTP and AC Off to Auto Recovery or Latched Step Do This You Will See 1 OVP SET 0V 2 Press repeatedly Fold S...

Page 74: ...do if there is an OC Alarm and an OP Alarm and the conditions that caused the alarms no longer exist Step Do This You Will See 1 ERROR MSGS 2 3 times1 1 You can also press MENU 4 times to bring up the Shutdown Recovery option S D RECOVERY 3 OTP Latched2 2 The default is Latched You can leave it at Latched or change it to Auto Recovery Press either arrow key repeatedly until the desired option appe...

Page 75: ...The possible alarms are OVP Shutdown UVP Shutdown OCP Shutdown UCP Shutdown OPP Shutdown UPP Shutdown UVP Alarm OCP Alarm UCP Alarm OPP Alarm UPP Alarm Fold Shutdown SenseShutdown Hi Temp Alarm OTP Shutdown AC Off WARNING Fire Hazard If an over voltage over current or over power protection error persists without apparent cause press OUT ON OFF to disable the output and turn the AC switch OFF Inspe...

Page 76: ... Appendix B SCPI Command Reference and Appendix D GPIB The factory default remote control setting is RS 232 It has a default configuration of 9600 baud Toggle Local Remote The LCL RMT key allows you to shift between local and remote control To shift from local to remote control In the case shown the power supply has changed from local front panel control to remote control through its RS 232 port T...

Page 77: ...rface current programmed via front panel Analog I Current programmed via the analog interface voltage programmed via front panel GPIB Multichnl multichannel operation using the optional CANbus interface between units only available for 6000 Watt units To change the remote control source If you change the remote setting to GPIB the next time you shift from local to remote control the unit will shif...

Page 78: ...on for detailed instructions on setting up remote interfaces Step Do This You Will See 1 ERROR MSGS 2 5 times1 1 You can also press MENU 5 times REMOTE CONFIG 3 RS 232 Cfg 4 or Press repeatedly until the desired remote control source appears RS 232 Cfg Analog Cfg GPIB Cfg Multichnl Cfg 5 See the tables that follow to see how to proceed Remote Control Source Prompt Configuration Settings RS 232 Bau...

Page 79: ...rent protection setpoint and shutdown configuration UCP Over power protection setpoint and shutdown configuration OPP Under power protection setpoint and shutdown configuration UPP Foldback protection mode and delay settings Over temperature protection auto recovery configuration OTP AC Off auto recovery configuration ACO Aux line configuration Front panel display configuration Front panel knob lo...

Page 80: ...rs on the display 3 Your voltage setting is saved 4 Set A 5 Turn the Current knob or use the numeric keypad to enter a current setpoint Your current setting appears on the display 6 Set 1 unused 1 1 unused appears with Set 1 if there are no saved settings in the system Press Enter to save your setting as Set 1 If unused does not appear then you can overwrite Set 1 with your new setting or use the ...

Page 81: ... Sequence Returns control of the setpoints to one of ten possible saved programs For further information see Program Auto Sequence on page 87 To access these options press RECALL repeatedly until the correct option appears or press the arrow keys Pressing RECALL lets you scroll through the options in the direction listed above Pressing the arrow keys lets you cycle through the options in either di...

Page 82: ...s the display reads None Saved and then automatically returns to User Settings 3 Use the numeric keypad or arrow keys to enter a value between 1 and 10 Step Do This You Will See 1 Press 3 times Factory Preset 2 This restores the setpoints to factory defaults Step Do This You Will See 1 Press 4 times Auto Sequence 2 Use the numeric keypad or arrow keys to enter a value between 1 and 10 User Set 1 1...

Page 83: ...nt rating Low power setpoint 0 of power rating High power setpoint 103 of power rating Over voltage protection Disabled 0 0V Under voltage protection Disabled 0 0V and not shutdown when tripped Over current protection Disabled 0 0A and not shutdown when tripped Under current protection Disabled 0 0A and not shutdown when tripped Over power protection Disabled 0 0W and not shutdown when tripped Und...

Page 84: ...ther arrow key to clear the displayed message and bring up the next message Once all messages have been read and cleared the prompt reads No errors and the power supply automatically returns to the default state To read and clear error messages For a detailed description of all error messages see Appendix C Step Do This You Will See 1 ERROR MSGS 2 Error 3 Press repeatedly until all messages have b...

Page 85: ...ns None Unregul Output Unregulated OVP Over Voltage Condition UV Under Voltage Condition OC Over Current Condition UC Under Current Condition OP Over Power Condition UP Under Power Condition AC Off Input power has failed or is out of range OTP Over Temperature Condition Hi Temp High Temperature Condition SenseProt Sense Protection Tripped Fold Prot Fold Protection Tripped CC Constant Current Mode ...

Page 86: ...ee To edit the sequence s trigger source Using Auto Sequencing on page 96 The output state also depends on the Power ON Output setting The values listed above are true only if the OUT ON setting is Yes Otherwise Output is off unit in Standby mode See Recall Settings on page 79 for settings affected by the Power ON feature Each of the 4 Power ON configuration options can be accessed from the Front ...

Page 87: ...time the power supply is powered ON To select Factory Preset Step Do This You Will See 1 ERROR MSGS 2 2 times1 1 You can also press the Down arrow 2 times PON CONFIG 3 Last Setting 4 2 times1 Factory Preset 5 Out ON Y 6 to select or and to change The default display for the selected operating mode MENU MENU ENTER MENU ENTER ENTER ENTER ...

Page 88: ...xt time it is powered on To select Last Setting Step Do This You Will See 1 ERROR MSGS 2 2 times1 1 You can also press the Down arrow 2 times PON CONFIG 3 Last Setting 4 User Settings 5 Enter a value from 1 to 10 User Set 6 or to scroll to select Out ON Y 7 to select or and to change The default display for the selected operating mode Step Do This You Will See 1 ERROR MSGS 2 2 times1 1 You can als...

Page 89: ...r If the sequence contains steps that advance by a trigger event a single trigger source can be selected to advance those steps Each step can be programmed to set the voltage setpoint current setpoint power setoint and OVP level automatically Each step can also be programmed to advance by a delayed time or a trigger event The duration of each step may range from 10 ms to 99 hours Step Do This You ...

Page 90: ...e the scroll keys to select a sequence to work with Sequence 5 Edit Sequence 6 Edit mode is selected Step 1 7 Edit Step 8 Enter the step voltage setpoint S01 V 9 Enter the step current setpoint S01 A 10 Enter the step power S01 W 11 Enter the step OVP level S01 V 12 Set Step Time 13 or Use the scroll keys to select how you want to advance to the next step Set Step Time waits for a certain period S...

Page 91: ...m a sequence table Continue programming the current step 14 Set the step advance method To Next Step 15 To go to the next step in the sequence This will return you to step 7 in this table Repeat steps 7 to 14 for all remaining steps in the sequence Press to exit auto sequence programming and return to the default screen Step 2 Step Do This You Will See Set Step Time 1 Enter the Step duration The f...

Page 92: ...nformation about trigger event The completion of this procedure will bring you back to step 15 of the To program a sequence table Continue programming the current step Step Do This You Will See Set Step Time 1 or Use the scroll keys to select the Wait for Trig option Wait for Trig 2 To Next Step ENTER Note The default value for a sequence s repeat time and trigger source is repeat once and trigger...

Page 93: ...l See 1 ERROR MSGS 2 6 times or AUTO SEQ PGM 3 Sequence 1 4 or Use the scroll keys to select a sequence to delete Sequence 5 Edit Sequence 6 or Use the scroll keys to select the Del Sequence option Del Sequence 7 Delete Seq N 8 or Use the scroll keys to confirm deletion Delete Seq Y 9 Seq Erased 10 Wait Sequence is now deleted MENU MENU ENTER ENTER ENTER ENTER ...

Page 94: ... sequence Step Do This You Will See 1 ERROR MSGS 2 6 times or AUTO SEQ PGM 3 Sequence 1 4 or Use the scroll keys to select a sequence to work with Sequence 5 Edit Sequence 6 Step 1 7 or Use the scroll keys to select a sequence to edit Step 8 Edit Step 9 or Use the scroll keys to select the Edit Step option Follow step 8 of the To program a sequence table in the Programming a Sequence section to fi...

Page 95: ...ERROR MSGS 2 6 times or AUTO SEQ PGM 3 Sequence 1 4 or Use the scroll keys to select a sequence to work with Sequence 5 Edit Sequence 6 Step 1 7 or Use the scroll keys to select the step to insert in front of Step 8 Edit Step 9 or Use the scroll keys to select the Insert Step option Follow step 8 of the To program a sequence table in the Programming a Sequence section to finish inserting the step ...

Page 96: ...s You Will See 1 ERROR MSGS 2 6 times or AUTO SEQ PGM 3 Sequence 1 4 or Use the scroll keys to select a sequence to work with Sequence 5 Edit Sequence 6 Step 1 7 or Use the scroll keys to select the step to delete Step 8 Edit Step 9 or Use the scroll keys to select the Delete Step option Delete Step 10 Step Deleted 11 Step 12 Step has now been deleted Select another step to work with or escape by ...

Page 97: ... to select a sequence to work with Sequence 5 Edit Sequence 6 or Use the scroll keys to select the Set Repeat option Set Repeat 7 Run Once 8 or Use the scroll keys to select the number of times to run the sequence Once will run the sequence once 2 to 9999 times will run the sequence the specified number of times Forever will run the sequence forever Run XXXX 9 Edit Sequence 10 The sequence s repea...

Page 98: ...scroll keys to select a sequence to work with Sequence 5 Edit Sequence 6 or Use the scroll keys to select the Trig Source option Trig Source 7 Trig From Man 8 or Use the scroll keys to select the trigger source Man is triggered by pressing the trigger key Ext is triggered by the rear external trigger line Imm is triggered by receiving an INIT IMM command Bus is triggered by a GPIB GET command or a...

Page 99: ...ary and complete their operation without intervention from an operator They can run automatically and be paused If you need to stop the program temporarily you can press PAUSE to stop it and then press RUN to resume the program s operation when ready When a sequence is manually paused the Pause annunciator is illuminated The output remains on and voltage may be present at the output They can run a...

Page 100: ...ld be locked out whenever you do not want someone to accidentally adjust the supply settings while the unit is operating in local mode To lock out both knobs Step Do This You Will See 1 ERROR MSGS 2 until you see the DISPLAY CFG option1 1 You can also press MENU repeatedly to bring up the Display Config option DISPLAY CFG 3 Show V I P 4 Using the arrow keys select from Show V and I Show V and P Sh...

Page 101: ...pt to use the Current knob the knob operates normally You can also lock the Current knob without locking the Voltage knob To unlock the knobs repeat the steps above and select N for Lock _ Knob Step Do This You Will See 1 ERROR MSGS 2 until you see the KNOB LOCKOUT option KNOB LOCKOUT 3 Lock V Knob N 4 Lock V Knob Y 5 Lock I Knob N The Voltage knob is locked out 6 The Current knob is not locked ou...

Page 102: ... accepted To set the voltage limits Note Setpoint limits do not apply to the triggered outputs and auto sequence outputs Step Do This You Will See 1 ERROR MSGS 2 until you see the SETPT LIMIT option SETPT LIMIT 3 Voltage Limit 4 High 0V 5 Use the Voltage knob arrow keys or numeric keypad to enter a value The value must be within 0V to 103 of the unit s rated voltage High V 6 Low 0V The Maximum set...

Page 103: ... arrow keys or numeric keypad to enter a value The value must be within 0A to 103 of the unit s rated current High A 7 Low 0A The Maximum setting is saved and the Minimum setting appears 8 Use the Voltage knob arrow keys or numeric keypad to enter a value The value must be within 0A to 103 of the unit s rated current Low A 9 The setting is saved and the display returns to its default operating mod...

Page 104: ...lew rate The master operates at its programmed slew rate Hence a programmable slew rate for the system is achieved However this slew rate is limited by the speed of the control loop The slaves will return to their programmed slew rate when they exit current share slave operation Step Do This You Will See 1 ERROR MSGS 2 until you see the SETPT LIMIT option SETPT LIMIT 3 Voltage Limit 4 2 times Powe...

Page 105: ...gh the software will attempt to achieve higher slew rates it is limited to this value by hardware constraints The power supply slew rate cannot be faster than the rise and fall times given in the product specifications on page 228 Manufacturer s recommendation is to keep the slew rate at or below the default value Step Do This You Will See 1 ERROR MSGS 2 Use the scroll keys to get the SLEW RATE me...

Page 106: ... display to show voltage and power or current and power or voltage current and power see Configure Display on page 98 The display also shows the Regulation mode CV CC or CP Bar graphs represent the percentage of full voltage current and power being output by the supply View Power Output To see the present power output in watts press the Up arrow key The output power appears on the display After a ...

Page 107: ...ion to front panel operation the power supply can be operated remotely through the following interfaces Analog 0 to 5V 0 to 10V RS 232 GPIB with optional GPIB CANbus card only available for 6000 Watt units Multichannel with optional GPIB CANbus card only available for 6000 Watt units The connecting ports for these interfaces are shown in Figure 1 6 and Figure 4 1 The remote interfaces except for t...

Page 108: ...iled listing of all SCPI commands see Appendix B Table B 1 to Table B 14 Before using a SCPI command familiarize yourself with the information in Using SCPI Commands on page 195 CLS PSC on_off_state ESE RCL user_setting ESE enable_mask RST ESR SAV user_setting IDN SDS OPC SRE OPC SRE enable_mask OPT STB PRE TRG PRE enable_mask TST PSC WAI ...

Page 109: ...2 GPIB and CANbus connectors and the locations and the pin numbers of the User Lines and the Analog Programming Lines GPIB and CANbus are optional Figure 4 1 View of Remote Interface Connections Removable mating connectors are supplied for the user lines and program lines while the mating connectors and cables for the other ports are supplied by the user ...

Page 110: ... source ground potential is the same as on the analog readback circuitry The external analog monitoring circuitry must be high impedance because the onboard V and I readback sources have approximately 300 ohms output impedance Connect your program and readback lines to the removable wire clamp connectors marked user lines and program lines in Figure 4 1 Strip 0 2 5mm of insulation from the wires a...

Page 111: ... max and this power can be looped back to power the user lines if required Connect the pins as shown in Table 4 3 Pin Function Input Output B1 Analog Programming GND Output B2 12V unregulated 10mA max Output B3 Voltage Setpoint 0 5 10V Input B4 Current Setpoint 0 5 10V Input B5 Voltage Readback 0 5 10V Output B6 Current Readback 0 5 10V Output Vf 1 3V TYP 1 5V MAX If 10mA Recommended 90mA MAX CNY1...

Page 112: ... Control You may configure the analog programming lines to work in either a 0 to 5V range or a 0 to10V range You may also select whether the voltage current or both are controlled with the programming lines If you select only voltage or only current the other will be controlled via the front panel Front Panel First configure the analog programming lines Programming Line Pin User Line Pin B1 to A7 ...

Page 113: ...analog programming lines use the command SYST REM SOUR AVOL ACUR AVC Where AVOL Analog VOLtage selects only voltage to be programmed via the analog programming lines ACUR Analog CURrent selects only current to be programmed via the analog programming lines AVC Analog Voltage and Current selects voltage and current to be programmed via the analog programming lines To select the voltage level SYST C...

Page 114: ...tage or current from 0 to its rated maximum A voltage in the range of 0 5V or 10 on the corresponding monitor line is proportional to 0 100 of the rated output The output V and I readback lines are active for all operating modes as are the user interface lines The analog programming inputs are active only when selected using the procedure in Select Remote Control Source on page 75 You can select a...

Page 115: ...ogram mnemonic If no multichannel address is appended to the program mnemonic the command is executed by the local directly connected power supply Each unit of the network can send and receive commands to and from other units on the network It is highly recommended that only one command be sent at a time Any RS 232 and GPIB timeout settings should be increased when using multichannel commands CANb...

Page 116: ...MCHannel ADDRess multichannel address where multichannel address is an integer in the range of 1 50 and the command is sent via a controller directly connected to the slave s RS 232 port If the unit is to execute commands set the power supply to accept control via multichannel commands the CANbus interface with the SCPI command SYSTem REMote SOURce MCHannel Setup 1 Connect power supplies to be con...

Page 117: ...remote control source of each power supply which will accept commands to multichannel See Figure 4 3 Figure 4 3 Connections for Multichannel Operation Using Multichannel Operation Once the power supplies have been configured and connected you may power them on Power supplies controlled via multichannel have full capabilities including changing REM LCL modes and calibration Any power supply may sen...

Page 118: ... Remote CONtrol Sub Register on page 148 for a description of the bits in this register Multichannel Commands To send a command to a multichannel power supply attach the channel address to the command If no channel number is specified the command will be executed by the directly connected power supply For example the command SOURCE12 VOLT 10 0 will set the power supply with address 12 to 10V outpu...

Page 119: ...nds are allowed queries are not allowed Note that there will be a lag in execution time between the local unit and all other units of up to a maximum of 20 ms For example SOURCE0 VOLT 10 0 will set all units in a multichannel string to 10 0 V Specifications Max connected units 50 Max cable length 40 m Bus speed 700 kbits sec Termination 120 ohm 1 4 W Connections parallel male DB9 to female DB9 cab...

Page 120: ...4 6 RS 232 Pins Configuration Front Panel First set the RS 232 parameters Pin Function 1 Not used 2 Receive 3 Transmit 4 Not used 5 Ground 6 Not used 7 Ready to Send RTS 8 Clear to Send CTS 9 Not used Step Do This You Will See 1 ERROR MSGS 2 5 times REMOTE CONFIG 3 RS 232 Cfg 4 Baud 9600 5 or Select the baud rate Baud 6 Flow Ctl None 7 or Select the flow control option Options are None no flow con...

Page 121: ...trol Select RS 232 to be the remote control source SYST REM SOUR RS232 Put the unit into remote operation SYST REM STAT REM Using RS 232 Use any terminal emulation program to send commands to the power supply To change between remote and local modes press the LCL RMT button or the command SYST REM STAT REM LOC RWL If you are in local mode you may still communicate receive responses to queries but ...

Page 122: ...e GPIB port is a special GPIB female connector Table 4 7 describes the pin functions Pin 12 is not used Table 4 7 GPIB Pins Pin Function 1 D1 2 D2 3 D3 4 D4 5 EOI 6 DAV 7 NRFD 8 NDAC 9 IFC 10 SRQ 11 ATN 12 Not used 13 D5 14 D6 15 D7 16 D8 17 REN 18 Ground 19 Ground 20 Ground 21 Ground 22 Ground 23 Ground 24 Ground ...

Page 123: ...IB as the remote control interface Step Do This You Will See 1 ERROR MSGS 2 5 times REMOTE CONFIG 3 RS 232 Cfg 2 times GPIB Cfg 4 GPIB Addr 5 Select an address from 1 30 GPIB Addr 2 6 PON SRQ Y 7 or Select whether power on service request is to be sent Options are Y Yes or N No 8 Settings are saved Step Do This You Will See 1 ERROR MSGS 2 4 times REMOTE SELECT 3 RS 232 4 or Select GPIB GPIB 5 GPIB...

Page 124: ...wer on service request SYST COMM GPIB PONS ON OFF To select GPIB as the remote control source SYST REM SOUR GPIB Using GPIB Sending a GPIB command should put the power supply in remote mode with the RMT annunciator lit Refer to the manual for your GPIB interface card Commands to change remote and local mode will be specific to that card Press the LCL RMT button to return to local mode except if th...

Page 125: ...tings The output is set to a stored setting that is recalled from memory See Store User Settings on page 77 Auto Sequence The output is controlled by a program that is recalled from memory See Auto Sequencing on page 136 All these options can be accessed from the Front Panel menus or remotely through a set of digital commands The instructions that follow show how to work remotely through SCPI comm...

Page 126: ...t up and stored in memory See Store User Settings on page 77 To power on user setting 1 OUTP PON REC USER1 To check the setting OUTP PON REC The response should be USER1 The user setting must be in the range of 1 10 See Store User Settings on page 127 for an explanation of how to save user settings Auto Sequence Selecting Auto Sequence lets you recall a stored program next time the unit is powered...

Page 127: ...e the output state whether the output is enabled or disabled at power on To change the power on at output state OUTP PON STAT ON OFF 1 0 To check the setting OUTP PON STAT Reset Resetting the unit puts certain features to a known state These states are listed in the table below To reset the unit RST or SYST RES ...

Page 128: ...Disabled 0 0V Under voltage protection Disabled 0 0V and not shutdown when tripped Over current protection Disabled 0 0A and not shutdown when tripped Under current protection Disabled 0 0A and not shutdown when tripped Over power protection Disabled 0 0W and not shutdown when tripped Under power protection Disabled 0 0W and not shutdown when tripped Fold shutdown protection None and delay 0 5s AC...

Page 129: ...ngs RCL user setting To save default settings SDS user setting This will save factory default settings to a user setting location replacing any setting that was previously saved there Example To save settings set up the power supply with all required settings we recommend that you do this right after recalling the factory default settings For example you can set voltage current and all protection ...

Page 130: ... operation RWL remote with local lockout Go to remote mode operation with local mode locked out With RWL set the user cannot return to local mode via the front panel To query to remote mode SYST REM STAT Enable Output To enable or disable the output OUTP ON OFF To query the state of the output enable OUTP Program V I P SCPI To change setpoints SOUR VOLT voltage SOUR CURR current SOUR POW power To ...

Page 131: ...POW LIM LOW power If the high end of the range was set to 5 volts the command SOUR VOLT 10 would return an error To check ranges SOUR VOLT LIM HIGH SOUR VOLT LIM LOW SOUR CURR LIM HIGH SOUR CURR LIM LOW SOUR POW LIM HIGH SOUR POW LIM LOW Example To set voltage to 5 5V and current limit to 100A send the command VOLT 5 5 CURR 100 Then check the output MEAS VOLT 5 500 example readback default unit V ...

Page 132: ...ction level The second command lets you choose a warning alarm only OFF or shut down with an alarm ON if the protection level is exceeded To check the Under Voltage Protection level SOUR VOLT PROT UND To check if the Under Voltage Protection was tripped SOUR VOLT PROT UND TRIP Alternatively you can query the status register See Appendix B SCPI Command Reference Over Current Protection To set the O...

Page 133: ...PROT wattage SOUR POW PROT STAT on off state The first OPP protection command sets the protection level The second command lets you choose a warning alarm only OFF or shut down with an alarm ON if the protection level is exceeded To check the Over Power Protection level SOUR POW PROT To check if the Over Power Protection was tripped SOUR POW PROT TRIP Under Power Protection To set the Under Power ...

Page 134: ...ates fold protection is disabled CC indicates the supply will shut down due to constant current condition CV indicates the supply will shut down due to constant voltage CP indicates the supply will shut down due to constant power The default value is NONE To set the fold delay OUTP PROT FOLD DEL delay_time Where delay_time is a value in the range of 0 60 seconds Units may be specified as ms millis...

Page 135: ... OFF or 0 means the supply will automatically resume operation when the temperature drops to below the trip level The default value is ON To query if OTP has tripped SENSE TEMP PROT TRIP AC Off Protection The user has the option of setting whether the AC Off protection mechanism is latched or automatically resumes operation SENSE VOLT AC PROT LATCH ON 1 OFF 0 Where ON or 1 means the supply will be...

Page 136: ...ltage output MEAS VOLT To measure the current output MEAS CURR To measure the power output MEAS POW Configure Auxiliary Status Lines To set up Auxiliary line A OUTP AUXA SOUR aux line mnemonic The choices for aux line mnemonic include NONE ON Output On OFF Output Off OVOL Over Voltage Condition UVOL Under Voltage Condition OCUR Over Current Condition UCUR Under Current Condition OPOW Over Power Co...

Page 137: ...OW means the logic of the output is active low The user can select polarity for either of the auxiliary lines To check the state of the line OUTP AUXA STAT This command returns a 1 or 0 If it returns a 1 this means that the status selected as the auxiliary line mnemonic is true Read Error Messages To read from the error queue SYST ERR This command returns an error code and message from the error q...

Page 138: ...that when a trigger is received no change will occur 2 Specify a trigger signal source TRIGger SOURce BUS EXT IMM NONE Where BUS means the trigger source is the IEEE 488 1 GET or TRG EXT means the source is the external trigger line IMM means the trigger source is the SCPI command INIT IMM NONE means triggering is disabled See p 109 Auto Sequencing Auto Sequencing allows users to program a sequenc...

Page 139: ...ilable to let users run pause resume and restart an autosequence A pause or wait for trigger causes the power supply to hold the output at the programmed level until the appropriate signal to continue is received Editing Users can delete single steps or entire sequences If a step is deleted the subsequent steps will shift up If a new step is inserted the subsequent steps will shift down Remote pro...

Page 140: ... V 10 ms To insert a step between commands in an existing program use this command PROG STEP step_number INS voltage current power OVP_level time TRIG The step number is where the inserted step is to be located The existing step and all following steps at that location are moved down In both the edit and insert commands step_number ranges from 1 to 99 time defines the duration of the step and must...

Page 141: ...level step duration or end action Program step voltage PROG STEP step_number VOLT voltage Program step current PROG STEP step_number CURR current Program step power PROG STEP step_number POW power Program step OVP level PROG STEP step_number OVP OVPlevel Program step time duration PROG STEP step_number DWEL time TRIG To delete a step PROGram STEP step_number DELete An error will result if the last...

Page 142: ...ply to hold the output levels at the setpoints programmed by the current step To resume set the state to RUN again To end the sequence operation send the command PROG STAT STOP Sending RUN will restart the auto sequence program from the first step You can query the state of the selected auto sequence program with PROG STAT Trigger If the auto sequence was programmed to wait for a trigger the power...

Page 143: ...p has the units V mV etc and the range is 0 1 to 5 of rated voltage default step is 0 1 of rated output voltage VOLT SLEW INTerval slewrate interval MAX MIN DEF where time interval has the units s ms or us and the range is 150 us to 1 5s default interval is 150us The combination must not exceed 1 V rating 150us Though the software will attempt to achieve higher slew rates it is limited to this val...

Page 144: ...tions are installed SCPI Version Query SYST VERS will return the SCPI version to which the unit complies for example 1997 0 Status Registers The Status Register structure is mandatory for SCPI and IEEE 488 2 compliance The register bits are defined by the SCPI and IEEE 488 2 standards Each status register has a Condition Event and Enable register and transition filters See Status Register Commands...

Page 145: ...aybe be divided into 4 categories the operation status registers the questionable status registers the standard event status register and the status byte OPERation Status Register The operation status register is a 16 bit register which contains information about conditions which are part of the power supply s normal operation The Operation Status data structure has the operation status register a...

Page 146: ...sed 1 0 3 2 5 4 7 6 9 8 11 10 13 12 15 14 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used STATus OPERation CSHare Over VOLtage Under VOLTage Over CURrent Under CURrent 1 0 3 2 5 4 7 6 9 8 11 10 13 12 15 14 Over POWer Under POWer AC Off Over TEMperature Not Used Not Used Not Used Not Used FOLDback Not Used Not Used SENSe STATus OPERation S...

Page 147: ...iting for a TRIGger 6 64 Waiting for ARM Summary Not implemented 7 128 CORRecting Not implemented 8 256 REGulating Summary Reflects the summary of the REGulating Sub Register 9 512 SHUTdown Summary Reflects the summary of the SHUTdown Sub Register 10 1024 Remote CONtrol Summary Reflects the summary of the Remote CONtrol Sub Register 11 2048 Current SHareSummary Reflects the summary of the Current ...

Page 148: ...e required to restart the unit The protection shutdown sub register indicates which protection mechanisms have caused the power supply to shutdown Table 4 11 SHUTdown Sub Register Bit Bit Weight Bit Name Description 0 1 CV The power supply is regulating in Constant Voltage mode 1 2 CC The power supply is regulating in Constant Current mode 2 4 CP The power supply is regulating in Constant Power mo...

Page 149: ...ontrol even though the user cannot adjust the voltage setting from the front panel Bit Bit Weight Bit Name Description 0 1 Over VOLTage Over voltage protection has tripped 1 2 Under VOLTage Under voltage protection has tripped 2 4 Over CURrent Over current protection has tripped 3 8 Under CURrent Under current protection has tripped 4 16 Over POWer Over power protection has tripped 5 32 Under POWe...

Page 150: ... CONtrol The power supply is under Remote CONtrol via the GPIB interface 3 8 GPIB CONtrol with LLO The power supply is under Remote Control via the GPIB interface with local controls locked out 4 16 RS 232 CONtrol The power supply is under Remote CONtrol via the RS 232 interface 5 32 RS 232 Control with LLO The power supply is under Remote CONtTrol via the RS 232 interface with local controls lock...

Page 151: ...utput of the supply is of undesirable or questionable quality The Questionable Status data structure consists of a questionable status register and 4 sub registers representing the status of the voltage current power outputs and temperature Figure gives an overview of the Questionable Status data structure The represents the logical summation of bits in a register Table 4 15 Table 4 16 Table 4 17 ...

Page 152: ...d Not Used Over CURrent Under CURrent Not Used Not Used 1 0 3 2 5 4 7 6 9 8 11 10 13 12 15 14 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Over POWer Under POWer 1 0 3 2 5 4 7 6 9 8 11 10 13 12 15 14 Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used No...

Page 153: ...MPerature Sub Register 5 32 FREQuency Summary Not implemented 6 64 PHASe Summary Not implemented 7 128 MODulation Summary Not implemented 8 256 CALibration Indicates an error in the unit calibration 9 512 Not Used Not implemented 10 1024 Not Used Not implemented 11 2048 AC Off Indicates an AC Supply failure 12 4096 UNRegulated Indicates that the output is not regulated in either Constant Voltage m...

Page 154: ...limit 1 2 Under VOLtage Set if the supply s output voltage is less than the user specified under voltage trip level variable trip limit and the supply is in Operation state Bit Bit Weight Bit Name Description 0 1 Over CURrent Set if the supply s output current is greater than the user specified over current trip level variable trip limit and the supply is in Operation state 1 2 Under CURrent Set i...

Page 155: ... 6 summarizes the standard Event Status Register Figure 4 6 IEEE 488 2 Status Register and Status Byte Bit Bit Weight Bit Name Description 0 1 Over TEMperature Set if the power supply temperature exceeds the maximum operating temperature 1 2 High TEMperature Set if the power supply temperature exceeds 90 of the maximum operating temperature Not Used Not Used Not Used MAV Standard Event Status Regi...

Page 156: ...E Set if a program data element following a header was evaluated by the power supply as outside of its legal input range or is otherwise inconsistent with the power supply s capabilities Suggests that a valid program message could not be properly executed due to some power supply condition See Execution Error List on page 216 for possible error codes 5 32 Command Error CME Set if an IEEE488 2 synt...

Page 157: ...e Summary Register Error Event Queue ERR This bit it TRUE if any errors are present in the Error Event Queue Bit Bit Weight Bit Name Description 0 1 Reserved 1 2 Reserved 2 4 Error Event Queue ERR Set if any errors are present in the Error Event queue 3 8 Questionable Status Register QSR Set if any bits are set in the Questionable Status Event register 4 16 Message Available MAV Indicates whether ...

Page 158: ... caused by one of the following Status Byte bit 0 AND Service Request Enable Register bit 0 Status Byte bit 1 AND Service Request Enable Register bit 1 Status Byte bit 2 AND Service Request Enable Register bit 2 Status Byte bit 3 AND Service Request Enable Register bit 3 Status Byte bit 4 AND Service Request Enable Register bit 4 Status Byte bit 5 AND Service Request Enable Register bit 5 Status B...

Page 159: ...nism For the device dependent status data structures the PRESet command sets the enable register to all 1s and the transition filter register to report only positive transitions For the SCPI mandatory status data structures the PRESet command sets the transition filter registers to recognize only positive transitions and sets the enable register to 0s The following will not be affected by this com...

Page 160: ...ines if the Standard Event Status Enable Register is cleared at power on E g Sending ESE 16 sets bit 4 of the Standard Event Status Enable Register This will cause the Event Summary bit ESB in the Status Byte to be set whenever the Execution Error bit bit 4 in the Standard Event Status Register gets set Command ESE status enable ESE SCPI equivalent for multichannel use STATus channel STANdard ENAB...

Page 161: ...us Byte to generate a service request message whenever it gets set Command SRE Service Request Enable SRE SCPI equivalent for multichannel use STATus channel SREQuest ENABle status enable STATus channel SREQuest ENABle Parallel Poll Enable Register Each of the 16 bits in the Parallel Poll Enable register correspond to bits in the Status Byte Each bit in the Parallel Poll Enable register is ANDed w...

Page 162: ... Register the Standard Event Status Enable Register the Parallel Poll Enable Register and the Error Event Queue Command PSC 0 1 PSC SCPI equivalent for multichannel use SYSTem channel POSClear ON OFF 0 1 SYSTem channel POSClear Individual Status Query The individual status query allows the programmer to read the state of the IEEE 488 1 ist individual status message without performing a parallel po...

Page 163: ...tion EVENt Query Operation Status Register Condition SCPI command STATus channel OPERation CONDition Enable Operation Status Register SCPI command STATus channel OPERation ENABle status enable Query Format STATus channel OPERation ENABle Set Operation Status Positive Transition Filter SCPI command STATus channel OPERation PTRansition status enable Query Format STATus channel OPERation PTRansition ...

Page 164: ...e Regulating Sub Register SCPI command STATus channel OPERation REGulating ENABle status enable Query format STATus channel OPERation REGulating ENABle Set Regulating Positive Transition Filter SCPI command STATus channel OPERation REGulating PTRansition status enable Query format STATus channel OPERation REGulating PTRansition Set Regulating Negative Transition Filter SCPI command STATus channel ...

Page 165: ...b Register SCPI command STATus channel OPERation SHUTdown ENABle status enable Query format STATus channel OPERation SHUTdown ENABle Set Shutdown Positive Transition Filter SCPI command STATus channel OPERation SHUTdown PTRansition status enable Query format STATus channel OPERation SHUTdown PTRansition Set Shutdown Negative Transition Filter SCPI command STATus channel OPERation SHUTdown NTRansit...

Page 166: ...n Sub Register SCPI command STATus channel OPERation SHUTdown PROTection ENABle status enable Query format STATus channel OPERation SHUTdown PROTection ENABle Set Protection Shutdown Positive Transition Filter SCPI command STATus channel OPERation SHUTdown PROTection PTRansi tion status enable Query format STATus channel OPERation SHUTdown PROTection PTRansi tion Set Protection Shutdown Negative T...

Page 167: ...rol Sub Register SCPI command STATus channel OPERation RCONtrol ENABle status enable Query Format STATus channel OPERation RCONtrol ENABle Set Remote Control Positive Transition Filter SCPI command STATus channel OPERation RCONtrol PTRansition status enable Query Format STATus channel OPERation RCONtrol PTRansition Set Remote Control Negative Transition Filter SCPI command STATus channel OPERation...

Page 168: ...tion Enable Current Share Sub Register SCPI command STATus channel OPERation CSHare ENABle status enable Query Format STATus channel OPERation CSHare ENABle Set Current Share Positive Transition Filter SCPI command STATus channel OPERation CSHare PTRansition status enable Query Format STATus channel OPERation CSHare PTRansition Set Remote Control Negative Transition Filter SCPI command STATus chan...

Page 169: ...on Enable Questionable Status Register SCPI command STATus channel QUEStionable ENABle status enable Query Format STATus channel QUEStionable ENABle Set Questionable Status Positive Transition Filter SCPI command STATus channel QUEStionable PTRansition status enable Query Format STATus channel QUEStionable PTRansition Set Questionable Status Negative Transition Filter SCPI command STATus channel Q...

Page 170: ...NDition Enable Voltage Sub Register SCPI command STATus channel QUEStionable VOLTage ENABle status enable Query Format STATus channel QUEStionable VOLTage ENABle Set Voltage Positive Transition Filter SCPI command STATus channel QUEStionable VOLTage PTRansition status enable Query Format STATus channel QUEStionable VOLTage PTRansition Set Voltage Negative Transition Filter SCPI command STATus chan...

Page 171: ...rrent Sub Register SCPI command STATus channel QUEStionable CURRent ENABle status enable Query Format STATus channel QUEStionable CURRent ENABle Set Current Positive Transition Filter SCPI command STATus channel QUEStionable CURRent PTRansition status enable Query Format STATus channel QUEStionable CURRent PTRansition Set Current Negative Transition Filter SCPI command STATus channel QUEStionable ...

Page 172: ...r CONDition Enable Power Sub Register SCPI command STATus channel QUEStionable POWer ENABle status enable Query Format STATus channel QUEStionable POWer ENABle Set Power Positive Transition Filter SCPI command STATus channel QUEStionable POWer PTRansition status enable Query Format STATus channel QUEStionable POWer PTRansition Set Power Negative Transition Filter SCPI command STATus channel QUESti...

Page 173: ...e TEMPerature CONDition Enable Temperature Sub Register SCPI command STATus channel QUEStionable TEMPerature ENABle status enable Query Format STATus channel QUEStionable TEMPerature ENABle Set Temperature Positive Transition Filter SCPI command STATus channel QUEStionable TEMPerature PTRansition status enable Query Format STATus channel QUEStionable TEMPerature PTRansition Set Temperature Negativ...

Page 174: ...Remote Operation SCPI Commands for Digital Interfaces 172 Operating Manual for XDC Series Power Supply ...

Page 175: ... Multichannel Operation 6000 Watt only on page 113 Figure 5 1Connections for Current Share Operation Theory of Operation Power supplies may be connected in parallel to supply a large current to a load Typically because of differences in the load connections each power supply may provide different amounts of current to the load When multiple power supplies are configured for current sharing the mas...

Page 176: ... to display the summed current from all units On the front panel a MASTER or SLAVE annunciator will light up to indicate the current share mode To configure current share with the front panel Step Do This You Will See 1 ERROR MSGS 2 or Press 7 times CURRENT SHARE 3 No share 4 or to select the current share option No share Master or Slave Press to save If No share or Slave are selected configuratio...

Page 177: ...tion of the bits in this register Setup Current Sharing Network To set up multiple supplies for current share operation follow these steps 1 Configure each supply with a unique multichannel address See Multichannel Operation 6000 Watt only on page 113 Configure one supply to operate as the master Configure others to operate as slaves 2 Power down the units Connect the CAN ports of all paralleled u...

Page 178: ... displayed on the master is still the current limit for a single unit The master or slave annunciators will light up to show that current share is operating properly Power supplies may not enter calibration mode while current sharing or enter current share operation while in calibration mode Errors The slave annunciator will flash if it does not detect a master on the network Check the cable and t...

Page 179: ...aring 6000 Watt only Operation Release 3 0 177 Specifications Max current share units 5 Max cable length 40m Bus speed 700 kbits sec Termination 120 ohm 1 4 Watt Connections parallel male DB9 to female DB9 cable ...

Page 180: ...Current Sharing 6000 Watt only Operation 178 Operating Manual for XDC Series Power Supply ...

Page 181: ...ated in both the 0 5V and the 0 10V ranges In each range voltage programming voltage readback current programming and current readback need to be calibrated All calibration data is taken at 10 and 90 of the rated outputs The setting and readback accuracy of the power supply should be checked annually and calibration done only if the unit is not operating within its specification The OTP and AC off...

Page 182: ... programming interface for monitoring voltage output ANLG I PGM 5V Calibrate 5V analog programming interface for setting current output ANLG I RB 5V Calibrate 5V analog programming interface for monitoring current output ANLG V PGM 10V Calibrate 10V analog programming interface for setting voltage output ANLG V RB 10V Calibrate 10V analog programming interface for monitoring voltage output ANLG I ...

Page 183: ... Code from the calibration menu and enter the new code To change the Calibration security code If you have entered a valid code the prompt displays Output V Cal You can either continue working with the calibration options or press EXIT to leave calibration mode The SCPI command to change the security code is CAL CODE security_code The security code is any 4 digit number enclosed by quotation marks...

Page 184: ...onnect a load to the output of the power supply and a current shunt in series You will need to use the DVM to measure both the voltage at the output of the power supply and the voltage across the shunt You will need to convert the voltage across the shunt to a current measurement To set up to calibrate the analog programming interface you will need a 0 10V power supply to provide a programming sig...

Page 185: ... data Enter the voltage output read from the external DVM Press ENTER 5 Maximum calibration level The power supply will set the output voltage to 90 6 Enter voltage data Enter the voltage output read from the external DVM Press ENTER 7 Power supply calculates and stores calibration constants 8 The menu will go to the Output Current Calibration menu Output Current 1 Set the power supply and load op...

Page 186: ... 4 2 Analog Programming Pins Analog Programming Interface Voltage Programming Calibration 1 Connect the power source across the voltage programming lines Pins B3 and B1 GND Attach a DVM across the voltage programming lines as well 2 Enter 5V analog voltage programming calibration menu Select ANLG V PGM 5V from the calibration menu Press ENTER You will be prompted to set up for analog voltage progr...

Page 187: ... lines read from the external DVM Press ENTER 5 Maximum calibration level The power supply will automatically set the voltage readback lines to approximately 90 of full scale 6 Enter voltage data Enter the voltage across the voltage readback lines read from the external DVM Press ENTER 7 Power supply calculates and stores calibration constants 8 The menu will go to the 5V analog current programmin...

Page 188: ...oss the current readback lines Pins B6 and B1 GND 2 Enter 5V analog current readback calibration menu Select ANLG I RB 5V from the calibration menu Press ENTER You will be prompted to set up for analog current readback calibration Press ENTER when ready 3 Minimum calibration level The power supply will automatically set the current readback lines to approximately 10 of full scale 4 Enter voltage d...

Page 189: ...ss the output terminals 2 Minimum calibration level Set the output voltage to 10 by sending the command CAL OUTP VOLT LEV MIN 3 Enter voltage data Enter the voltage read from the external DVM CAL OUTP VOLT DATA voltage 4 Maximum calibration level Set the output voltage to 90 by sending the command CAL OUTP VOLT LEV MAX 5 Enter voltage data Enter the voltage read from the external DVM CAL OUTP VOLT...

Page 190: ...a DVM Table 4 2 Analog Programming Pins Analog Programming Interface Voltage Programming Calibration 1 Connect the power source across the voltage programming lines Pins B3 and B1 GND Attach a DVM across the voltage programming lines as well 2 Minimum calibration level Set the input to the programming lines to approximately 0 5V 10 of full scale Set the power supply to receive 5V analog voltage pr...

Page 191: ...external DVM CAL ANAL 5V READ VOLT DATA voltage 4 Maximum calibration level Set the voltage readback lines to approximately 90 of full scale by sending the command CAL ANAL 5V READ VOLT LEV MAX 5 Enter voltage data Enter the voltage across the voltage readback lines read from the external DVM CAL ANAL 5V READ VOLT DATA voltage 6 Power supply calculates and stores calibration constants Analog Progr...

Page 192: ... 6 Power supply calculates and stores calibration constants Analog Programming Interface Current Readback Calibration 1 Attach a DVM across the current readback lines Pins B6 and B1 GND 2 Minimum calibration level Set the current readback lines to approximately 10 of full scale by sending the command CAL ANAL 5V READ CURR LEV MIN 3 Enter voltage data Enter the voltage across the current readback l...

Page 193: ...rface must be calibrated separately Follow the procedure exactly as for calibrating the 0 5V range except that all the analog signals will be scaled by a factor of 2 The commands will begin with the header CAL ANAL 10V The inputs to the programming lines should be approximately 1V for the minimum calibration level and 9V for the maximum calibration level ...

Page 194: ... To restore the unit to the calibration constants set at the factory The SCPI command is CALibration RESTore Step Do This You Will See 1 Output V Cal 2 or Scroll to select Factory Cal Factory Cal 3 Select Y to Restore the factory calibration Selecting N will exit Restore Y Note This procedure should not be used in place of regular calibration but may be useful to restore the unit to an operational...

Page 195: ...ommon Commands For Use With IEEE Std 488 1 1987 IEEE Std 488 1 1987 IEEE Standard Digital Interface for Programmable Instrumentation TIA EIA 232F Standard Commands for Programmable Instruments SCPI Version 1997 0 IEEE 488 2 Requirements GPIB control implements all IEEE 488 2 requirements SCPI Requirements The power supply conforms to the following SCPI requirements SCPI mandated commands Questiona...

Page 196: ...easurement equipment The command structure is organized around common roots or nodes which are the building blocks of SCPI subsystems An example of a common root is CALibration and some of the commands that reside in the CALibration subsystem are shown below CALibration CURRent DATA numeric value LEVel MIN MAX SECure CODE new code STATe OFF ON code STATe CALibration is the root keyword of the comm...

Page 197: ...ctuation is sent with the string other markings are used to identify different elements of the command syntax and are not sent with the string The following punctuation is sent with the command string Colons separate command keywords from lower level keywords For example CAL CURR STAT Blank spaces separate command keywords from parameter values For example CURR 0 1 Commas separate parameters from ...

Page 198: ...arameters VOLT MIN VOLT MAX Terminating Characters Every command string must end with a terminating new line character An IEEE 488 EOI end or identify can be used instead of a new line character It is also acceptable to use a carriage return followed by a new line Terminating a command string always resets the SCPI command path to the root level Common Commands The IEEE 488 2 standard includes a s...

Page 199: ...tations such as decimal points optional signs and scientific notation Values such as MINimum and MAXimum are accepted as substitutes for numbers When DEFault is provided as a parameter the machine selects the default value automatically You can also use engineering unit suffixes such as V A or W with numeric parameters In cases where specific numeric values are accepted the power unit will round t...

Page 200: ... These tables use the following column headings Function The commonly used name for the function SCPI Command The full command in long form Description Explains what the command does or what is affected by it Query Indicates whether the unit supports a query version of the listed command Notations Used in the Tables The following abbreviations are used in the command listings N A Not applicable Th...

Page 201: ...er 1 into the output queue when all pending operations have been finished See IEEE 488 2 1992 section 12 5 3 N A Option Identification Query OPT SYSTem channel OPTIon Identify reportable device options N A Parallel Poll Enable Register Query PRE Query the Parallel Poll Enable Register setting N A Parallel Poll Enable Register Command PRE status enable Sets the Parallel Poll Enable Register bits Se...

Page 202: ...ry Status bit N A Trigger TRG Trigger commands Analogous to the IEEE 488 1 defined Group Execute Trigger interface message See IEEE 488 2 section 6 1 4 2 5 N A Self Test Query TST SYSTem channel TEST Internal self test and responds indicating whether or not the device completed the self test without any detected errors N A Wait To Continue WAI SYSTem channel WAIT Prevents the device from executing...

Page 203: ...rammed voltage change Yes Set Over Current Protection Level SOURce channel CURRent PROTection OVER LEV el current MAXimum MINimum Set the over current protection level Yes Set Over Current Protection Shutdown State SOURce channel CURRent PROTection OVER STAT e on off state Select over current protection to shutdown ON or set alarm OFF Yes Query Over Current Protection Tripped SOURce channel CURRen...

Page 204: ...set alarm OFF Yes Query Under Voltage Protection Tripped SOURce channel VOLTage PROTection UNDer TRIPp ed Query if under voltage protection mechanism has tripped N A Set High Current Limit SOURce channel CURRent LIMit HIGH current MAXimum MINimum Set upper limit of current setpoint range soft limits Yes Set Low Current Limit SOURce channel CURRent LIMit LOW current MAXimum MINimum Set lower limit ...

Page 205: ...TA current Set analog programming voltage calibration data No Set Analog Current Readback Output Level CALibration channel ANALog 5V 10V READback CURRent LEVel MINimum MAXimum Set analog readback current calibration level No Enter Analog Current Readback Output Data CALibration channel ANALog 5V 10V READback CURRent DATA current Set analog readback current calibration data No Set Analog Voltage Re...

Page 206: ...ll Default Factory Preset SYSTem channel RECall DEFault Restore the factory preset values N A Select Remote Control Source SYSTem channel REMote SOURce RS232 GPIB AVOLtage ACURrent AVCurrent MCHannel Select the remote control source Yes Set RS 232 Baud Rate SYSTem channel COMMunicate SERial RECeive BAU D 1200 2400 4800 9600 Configure the RS 232 baud rate Yes Set RS 232 Flow Control SYSTem channel ...

Page 207: ... See Table 4 9 on page 145 Yes Query Operation Status Current Sharing Condition Register STATus channel OPERation CSHare CONDition See Table 4 14 on page 148 N A Set Operation Status Current Sharing Enable Register STATus channel OPERation CSHare ENABle status enable See Table 4 14 on page 148 Yes Query Operation Status Current Sharing Event Register STATus channel OPERation CSHare EVENt See Table...

Page 208: ...ATus channel OPERation REGulating PTRansition status enable See Table 4 10 on page 146 Yes Query Operation Status Shutdown Condition Register STATus channel OPERation SHUTdown CONDition See Table 4 11 on page 146 N A Set Operation Status Shutdown Enable Register STATus channel OPERation SHUTdown ENABle status enable See Table 4 11 on page 146 Yes Query Operation Status Shutdown Event Register STAT...

Page 209: ...nable Status Positive Transition Register STATus channel QUEStionable PTRansition status enable See Table 4 15 on page 151 Yes Query Questionable Status Current Condition Register STATus channel QUEStionable CURRent CONDition See Table 4 17 on page 152 N A Set Questionable Status Current Enable Register STATus channel QUEStionable CURRent ENABle status enable See Table 4 17 on page 152 Yes Query Q...

Page 210: ...n Register STATus channel QUEStionable TEMPerature PTRansi tion status enable See Table 4 19 on page 153 Yes Query Questionable Status Voltage Condition Register STATus channel QUEStionable VOLTage CONDition See Table 4 16 on page 152 N A Set Questionable Status Voltage Enable Register STATus channel QUEStionable VOLTage ENABle status enable See Table 4 16 on page 152 Yes Query Questionable Status...

Page 211: ...Query AC protection circuit tripped N A Function SCPI Command Description Query Select polarity of Auxiliary Lines OUTPut channel AUXiliary A B POLarity HIGH LOW Configure the polarity of the auxiliary line Yes Select Source of Auxiliary Line State OUTPut channel AUXiliary A B SOURce aux_line_mnemonic Configure the auxiliary line Yes Query state of Auxiliary Line OUTPut channel AUXiliary A B STATe...

Page 212: ...ted sequence step Yes Insert step into selected sequence PROGram channel SELected STEP step_number IN Sert voltage current power OVP_level st ep_time TRIG Insert a step into the selected sequence N A Program selected sequence step current PROGram channel SELected STEP step_number CU RRent current Edit program step current of selected sequence Yes Program selected sequence step voltage PROGram chan...

Page 213: ...ram channel SEQuence sequence_number STEP step_number VOLTage voltage Edit program step voltage of specific sequence Yes Program specific sequence step power PROGram channel SEQuence sequence_number STEP step_number POWer power Edit program step power of specific sequence Yes Program specific step OVP PROGram channel SEQuence sequence_number STEP step_number OVP OVP_level Edit program step OVP lev...

Page 214: ... next error in the instrument s error queue N A Identification Query ID Query identification string Model ID and Version N A Read Output Current IOUT Equivalent to MEASure CURRent command Read output current N A Set High Current Limit IMAX current Equivalent to SOURce CURRent LIMit HIGH current command Set upper limit of current setpoint range soft limits Yes Set Immediate Current Setpoint ISET cu...

Page 215: ... OFF 0 off or 1 on OVP_level A numeric value as defined by SCPI May also be MAXimum or MINimum May include voltage related suffix units such as mV uV V etc Range is 0 to 103 of model s rated voltage power A numeric value as defined by SCPI May also be MAXimum or MINimum May include power related suffix units such as mW uW W etc Range is 0 to 101 of model s rated power setting_location A numeric in...

Page 216: ...SCPI Command Reference Expressions 214 Operating Manual for XDC Series Power Supply ...

Page 217: ...ue is replaced with error 350 Queue Overflow When all errors have been read from the queue further error queries return 0 No error The error queue is cleared when any of the following occur IEEE 488 2 section 11 4 3 4 Upon receipt of a CLS command Upon reading the last item from the queue All negative values are reserved by the SCPI standard All errors unique to the power supply have positive valu...

Page 218: ...Error Message Description 100 Command error This is the generic syntax error 105 GET not allowed A Group Execute Trigger was received within a program message 114 Header suffix out of range The value of a numeric suffix attached to a program mnemonic is out of range May refer to multichannel addressing auto sequence number or auto sequence step number 120 Numeric data error This error is generated...

Page 219: ...nsufficient memory to perform the requested operation 231 Data questionable Indicates that measurement accuracy is suspect 240 Hardware error occurs during flash update if there is a failure Indicates that a legal program command or query could not be executed because of a hardware problem in the power supply 241 Hardware missing Indicates that a legal program command or query could not be execute...

Page 220: ...y cannot convert the input to a calibrated value 313 Calibration memory lost 314 Save recall memory lost Indicates that the non volatile data saved by the SAV command has been lost 315 Configuration memory lost Indicates that non volatile configuration data saved by the power supply has been lost 321 Out of memory An internal operation needed more memory than was available 330 Self test failed 350...

Page 221: ...Table C 5User Request Event Operation Complete Event An error event in the range 899 800 is used when the instrument wishes to report a 488 2 operation complete event This event occurs when an instrument s synchronization protocol having been enabled by an OPC command completes all selected pending operations This event also sets the operation complete bit bit 0 of the Standard Event Status Regist...

Page 222: ...ble C 10Auto Sequencing Error Codes Error code Error Message Description 1301 Front Panel Protocol Error Invalid data from the front panel was sent to the CPU 1302 Front Panel Not Responding 1303 Front Panel Self Test Failed Error code Error Message Description 1401 ColdFire Self Test Failed Error code Error Message Description 1501 Analog programming self test failed Error code Error Message Desc...

Page 223: ...ut buffer corrupted 1705 CANbus input buffer overrun Data is sent on the CANbus faster than the CPU can process 1706 CANbus output buffer overrun Data cannot be transmitted fast enough Error code Error Message Description 1800 Multichannel general error An error has occurred while sending multichannel commands One such cause is sending a command that is too long 1802 Multichannel address taken The...

Page 224: ...nection refused Connection as a slave on the current share network has been refused due to one of the following reasons 4 slaves are already online the voltage rating does not match those of the master s the current rating does not match those of the master s 1924 Current share data out of range The voltage or current readback or setpoint values passed are out of range 1925 Current share slave out...

Page 225: ...he GPIB End of message EOM terminators can be the END message EOI the ASCII code for line feed LF or both The power supply terminates responses with line feed LF Address Range Primary Address The power supply will respond to any GPIB address in the range 1 to 30 Secondary Address The power supply does not support secondary addressing Service Request and Polling The power supply s serial poll respo...

Page 226: ...y SIDS SGNS SDYS STRS SWNS SIWS Acceptor Handshake AH1 Complete capability AIDS ANRS ACRS ACDS AWNS Talker T6 Includes serial poll TIDS TADS TACS SPAS SPIS SPMS TPIS TPAS Listener L4 LIDS LADS LACS LPIS LPAS Function Mnemonic Description Functions Subset Device Clear DC1 Complete capability DCIS DCAS Device Trigger DT1 Complete capability DTIS DTAS Drivers E2 Tri state drivers where selectable Par...

Page 227: ...asured at the device connector between the signal line and the logic ground Mechanical Specifications Mechanical Specifications comply with IEEE 488 1 standards See Appendix E for details Performance Specifications The power supply responds within 2 ms of receiving a command over the GPIB interface Signal Line Driver Signal Line Driver DIO1 Tri State EOI Tri State DIO2 Tri State DAV Tri State DIO3...

Page 228: ...GPIB Performance Specifications 226 Operating Manual for XDC Series Power Supply ...

Page 229: ...cs Notes These specifications are represented over the full operating temperature range Nominal line input voltage assumed unless otherwise stated All sense lines are configured for default local operation All specifications are subject to change without notice ...

Page 230: ...ariation over the AC input voltage range with constant rated load 1 mV 300 mA 2 mV 150 mA 3 mV 100 mA 4 mV 75 mA 6 mV 50 mA Load Regulation 4 Voltage 0 05 of Vmax 5 mV Current 0 1 of Imax 20 mA 4 For 0 100 load variation with constant nominal line voltage 10 mV 620 mA 15 mV 320 mA 20 mV 220 mA 25 mV 170 mA 35 mV 120 mA Meter Accuracy Voltage 0 15 of Vmax Current 0 5 of Imax 15 mV 3 A 30 mV 1 5 A 4...

Page 231: ...temperature after power on 4 mV 3600 mA 8 mV 1800 mA 12 mV 1200 mA 16 mV 900 mA 24 mV 600 mA Drift 8 hours 2 Voltage 0 02 of Vmax Current 0 04 of Imax 2 Maximum drift over 8 hours with constant line load and temperature after 30 minute warm up 2 mV 240 mA 4 mV 120 mA 6 mV 80 mA 8 mV 60 mA 12 mV 40 mA Temperature Coefficient 3 Voltage 0 04 of Vmax C Current 0 06 of Imax C 3 Change in output per C c...

Page 232: ...AC input voltage range with constant rated load 8 mV 37 5 mA 10 mV 30 mA 15 mV 20 mA 30 mV 10 mA 60 mV 5 mA Load Regulation 4 Voltage 0 05 of Vmax 5 mV Current 0 1 of Imax 20 mA 4 For 0 100 load variation with constant nominal line voltage 45 mV 95 mA 55 mV 80 mA 80 mV 60 mA 155 mV 40 mA 305 mV 30 mA Meter Accuracy Voltage 0 15 of Vmax Current 0 5 of Imax 120 mV 375 mA 150 mV 300 mA 225 mV 200 mA ...

Page 233: ...emperature after power on 32 mV 450 mA 40 mV 360 mA 60 mV 240 mA 120 mV 120 mA 240 mV 60 mA Drift 8 hours 2 Voltage 0 02 of Vmax Current 0 04 of Imax 2 Maximum drift over 8 hours with constant line load and temperature after 30 minute warm up 16 mV 30 mA 20 mV 24 mA 30 mV 16 mA 60 mV 8 mA 120 mV 4 mA Temperature Coefficient 3 Voltage 0 04 of Vmax C Current 0 06 of Imax C 3 Change in output per C c...

Page 234: ... the AC input voltage range with constant rated load 1 mV 1200 mA 2 mV 600 mA 3 mV 400 mA 4 mV 300 mA 6 mV 200 mA Load Regulation 4 Voltage 0 05 of Vmax 5 mV Current 0 2 of Imax 40 mA 4 For 0 100 load variation with constant nominal line voltage 10 mV 2440 mA 15 mV 1240 mA 20 mV 840 mA 25 mV 640 mA 35 mV 440 mA Meter Accuracy Voltage 0 15 of Vmax Current 0 5 of Imax 15 mV 6 A 30 mV 3 A 45 mV 2 0 A...

Page 235: ...perature after power on 4 mV 7200 mA 8 mV 3600 mA 12 mV 2400 mA 16 mV 1800 mA 24 mV 1200 mA Drift 8 hours 2 Voltage 0 02 of Vmax Current 0 05 of Imax 2 Maximum drift over 8 hours with constant line load and temperature after 30 minute warm up 2 mV 600 mA 4 mV 300 mA 6 mV 200 mA 8 mV 150 mA 12 mV 100 mA Temperature Coefficient 3 Voltage 0 04 of Vmax C Current 0 06 of Imax C 3 Change in output per C...

Page 236: ... AC input voltage range with constant rated load 8 mV 150 mA 10 mV 120 mA 15 mV 80 mA 30 mV 40 mA 60 mV 20 mA Load Regulation 4 Voltage 0 05 of Vmax 5 mV Current 0 2 of Imax 40 mA 4 For 0 100 load variation with constant nominal line voltage 45 mV 340 mA 55 mV 280 mA 80 mV 120 mA 155 mV 100 mA 305 mV 60 mA Meter Accuracy Voltage 0 15 of Vmax Current 0 5 of Imax 120 mV 750 mA 150 mV 600 mA 225 mV 4...

Page 237: ...32 mV 900 mA 40 mV 720 mA 60 mV 480 mA 120 mV 240 mA 240 mV 120 mA Drift 8 hours 2 Voltage 0 02 of Vmax Current 0 05 of Imax 3 2 Maximum drift over 8 hours with constant line load and temperature after 30 minute warm up 3 Current drift for 600V 20A unit is 0 08 of Imax 16 mV 75 mA 20 mV 60 mA 30 mV 40 mA 60 mV 20 mA 120 mV 16 mA Temperature Coefficient 4 Voltage 0 04 of Vmax C Current 0 06 of Imax...

Page 238: ...on 35 Arms 6000 Watt 70 Arms 12000 Watt Minimum Power Factor1 nominal 208Vrms Standard nominal 400Vrms with HV Input option 0 95 0 9 Operating Current nominal 208Vrms Standard Maximum2 Typical3 24 A 6000 Watt 48 A 12000 Watt 20 A 6000 Watt 40 A 12000 Watt Operating Current nominal 400Vrms with HV Input option Maximum4 Typical5 13 A 6000 Watt 26 A 12000 Watt 11 A 6000 Watt 22 A 12000 Watt 1 At nomi...

Page 239: ...iciency Typical 89 efficiency at nominal line voltage and ambient temperature Minimum 82 efficiency Specific minimum efficiency limits are model dependent Load Regulation Line Regulation Programming Range for Voltage Current and Power OVP Programming Range 0 103 of maximum rated voltage Voltage 0 100 Current 0 100 Voltage 5 mV 0 05 of Vmax Current 6000 W 20 mA 0 1 of Imax 12000 W 40 mA 0 2 of Imax...

Page 240: ...Power 0 002 of Vmax 0 002 of Imax 0 05 of Pmax Remote Analog Programming Interface Voltage Current 0 002 of Vmax 0 002 of Imax Front Panel or Remote Digital Interface Voltage Programming Current Programming Power Programming Over voltage Programming 0 1 of Vmax 0 5 of Imax 0 5 of Pmax 0 1 of Vmax Remote Analog Programming Interface Voltage Programming Current Programming 0 2 of Vmax 0 5 of Imax 1 ...

Page 241: ...oad operation Front Panel or Remote Digital Interface Voltage Programming Current Programming Power Programming Voltage Readback Current Readback Power Readback 0 04 of Vmax C 0 06 of Imax C 0 1 of Pmax C 0 04 of Vmax C 0 06 of Imax C 0 1 of Pmax C Remote Analog Programming Interface Voltage Programming Current Programming Voltage Readback Current Readback 0 04 of Vmax C 0 06 of Imax C 0 04 of Vma...

Page 242: ... Time Delay From Power On Until Output Stable 5 s maximum Within regulation envelope Time Delay From Output Enable Until Output Stable 2 s maximum Within regulation envelope Output Hold Up Time Power Off Minimum 4 ms at full load Maximum Current Sink Capability Each Output 10 mA Maximum Supply Voltage 15 Vdc Minimum Supply Voltage 4 Vdc Isolation 300 Vdc with respect to chassis potential or negati...

Page 243: ...output voltage Peak Peak and RMS Noise Bandwidth Limits The frequency range for Peak to Peak measurements is 10 Hz 20 MHz The frequency range for RMS measurements is 10 Hz 100 kHz Maximum Remote Sense Line Drop Compensation Minimum 3 8 V for each line 5 V typical Isolation 1 Time for the output voltage to recover within 0 75 of rated output of its previous level after a step change in load current...

Page 244: ... C22 2 No 1010 1 and UL3111 1 Meets USA EMC standard FCC part 15 class A Meets Canadian ECMC standard ICES 001 Operating Altitude Up to 6 500 feet 2 000 m Storage Altitude Up to 50 000 feet 15 000 m Installation Category II IEC 1010 1 Polution Degree 2 IEC 1010 1 Operating Temperature Range 0 C 50 C1 1 Consult the factory for operation below 0 C and above 50 C Storage Temperature Range 40 C 85 C O...

Page 245: ...ical Specification Weight 6000 W approx 75 lb 34 kg for 10 V 600 A unit without packaging 12000 W approx 170 lb 77 kg for 10 V 1200 A unit without packaging Size Figure E 1 Power Supply Dimensions 6000 Watt unit 22 78 in 19 in 21 in 18 2 in 5 22 in 483 mm 133 mm 462 mm 533 mm 579 mm ...

Page 246: ...tions and Characteristics Mechanical Specification 244 Operating Manual for XDC Series Power Supply Figure E 2 Power Supply Dimensions 12000 Watt unit 10 37 in 22 23 in 19 in 483 mm 263 mm 23 73 in 603 mm 565 mm ...

Page 247: ...ont panel 97 programming a sequence 88 138 recalling 97 repetitions 95 138 running a program 97 trigger source 96 139 automatic mode crossover 59 AUX A display annunciator 29 AUX B display annunciator 29 auxiliary 134 B bar graph current 28 power 28 voltage 28 bar graphs display annunciator 29 C calibration change code 181 front panel procedure 183 mode 179 overview 179 remote interface procedure ...

Page 248: ...decimal key described 25 defaults configuring power on 123 saving 127 device specific errors list of 218 digital processing 21 display defaults 104 display annunciators ADR 29 ALARM 29 AUTO 29 AUX A 29 AUX B 29 bar graphs 29 CC 29 CP 29 CV 29 ERR 29 illustrated 28 Interlock 29 LCL 29 Master 29 OTP 29 OUT OFF 29 OUT ON 29 OVP 29 Pause 29 RMT 29 SEQ 29 Set 29 Slave 29 SRQ 29 Trigger 29 DISPLAY CFG m...

Page 249: ...erminal vii Off supply vii On supply vii Protective Conductor Terminal vii Warning Shock Hazard vii incorrect code 180 information about your power supply 104 142 input connector 40 input power 40 input wires connecting 45 recommended size 41 specifications 41 42 44 installation AC input power 40 connecting multiple loads 52 connecting single load 51 inspecting the power supply 34 load wiring 48 l...

Page 250: ...ing states calibration 58 normal operation 58 output shutdown 58 power on 58 soft start 58 operation control modes 31 overview 31 power on 31 operation local control mode 57 powering off 58 powering on 57 operation complete event error 219 OTP display annunciator 29 OUT OFF display annunciator 29 OUT ON display annunciator 29 OUT ON OFF key 24 61 output enabling 128 setting current 64 setting powe...

Page 251: ... REMOTE CONFIG menu item 62 remote control configuring remote control source 76 selecting source 75 remote control modes described 60 remote control vs local control 74 remote mode changing 128 REMOTE SELECT menu item 62 remote sensing 56 remote sensing ports 30 reset 125 RMT display annunciator 29 RS 232 configuration 118 connection 118 location 107 using 119 RS 232 control mode described 31 RS 2...

Page 252: ...e 148 enable 143 event 142 power 152 questionable 149 remote control 147 standard event 153 status byte 155 temperature 153 transition filters 143 voltage 152 STORE key 24 61 T terminal blocks 30 TRIGGER key 24 Trigger display annunciator 29 97 triggering 136 auto sequence 90 96 139 external input 108 setpoints 129 sources 136 U UL approval viii unlocking control knobs 99 up arrow key 25 user line...

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