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User and Programming Manual

XDS Series

59

8 Service

8.1 General

This section describes suggested maintenance and troubleshooting procedures. The
troubleshooting procedure is divided into two sections. The first section deals with basic operation
and connection of the equipment. The second section requires opening the unit and using the LED
indicators and a simple multi meter to troubleshoot the unit down to the module level. Only a
qualified electronic technician should attempt this level of troubleshooting.

8.2 Basic

Operation

Table 8-1: Basic Symptoms

PARAGRAPH

PROBLEM

8.2.1 Poor

Output Voltage Accuracy

8.2.2 Poor

Output Voltage Regulation

8.2.3

No Output and no lights on front panel

8.2.4

No output but “Display” on front panel is on

8.2.5 Error

-300

8.2.6

Can’t program DC supply on GPIB or RS232

8.2.1

Poor Output Voltage Accuracy

If the power supply exhibits poor programmed voltage accuracy, the following item may be at fault:

Table 8-2: Poor Output Voltage Accuracy

CAUSE

SOLUTION

The calibration is incorrect.

Calibrate the output.

8.2.2

Poor Output Voltage Regulation

If the AC Power supply exhibits poor voltage regulation the following item may be at fault:

Table 8-3: Poor Output Voltage Regulation

CAUSE

SOLUTION

The Remote Sense lines are not
connected at the same point monitored by
the external voltmeter used for load
regulation check.

Connect DC voltmeter to Remote Sense
lines on the Rear Panel Power Output
terminal strip.

The External voltage sense connection is
open.

Check the sense connections. Make sure
not to reverse the sense polarity or
damage to the unit may occur.

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Summary of Contents for XDS 100-100

Page 1: ...ll rights reserved P N 5005 981 XDS Series DC Power Supply User and Programming Manual Series II TEL 1 858 677 9040 FAX 1 858 677 0940 Email sales argantix com Web Site http www argantix com Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 Established 1981 ...

Page 2: ... and Programming Manual P N 5005 981 DC Power Supplies Argantix XDS Series II Copyright 2002 2007 California Instruments Rev L Argantix is a registered trademark of California Instruments Corporation Specifications subject to change without notice ...

Page 3: ...device with branch protection rating per local electrical codes between point of connection and the XDS unit AC input FUSES Use only fuses of the specified current voltage and protection speed DO NOT OPERATE IN A VOLATILE ATMOSPHERE Do not operate the power supply in the presence of flammable gases or fumes This product is designed to operate in a controlled environment Do not expose to rain or sn...

Page 4: ...User and Programming Manual 4 XDS Series Electrical Safety Symbols Used in This Manual ...

Page 5: ...dd the RMA number furnished to the shipping label Pack the instrument carefully to prevent transportation damage affix label to shipping container and ship freight prepaid to the factory CALIFORNIA INSTRUMENTS shall not be responsible for repair of damage due to improper handling or packing Instruments returned without RMA No or freight collect may be refused at California Instruments discretion A...

Page 6: ...Mounting 21 3 3 Input Output Connectors 22 3 4 Wire Sizing and Lug Size 25 3 5 AC Input Wiring 26 4 Front Panel Operation 28 4 1 Functional Controls 28 4 2 How to examples 31 4 3 Setting the Power on Initialization Values 33 4 4 Operating Modes 34 4 5 Special Features 35 5 Model Configurations 37 5 1 Available Configurations 37 5 2 Changing Configurations 38 5 3 Stand Alone Configuration 40 5 4 Pa...

Page 7: ...Commands and Messages 80 10 3 Using Queries 83 10 4 Structure of a SCPI Message 83 10 5 SCPI Data Formats 85 10 6 Programming Tips 86 11 SCPI Command Reference 87 11 1 Subsystem Commands 87 11 2 Measurement Subsystem 88 11 3 Source Subsystem 90 11 4 Output Subsystem 95 11 5 Display Subsystem 97 11 6 System Commands 98 11 7 Common Commands 100 12 Programming Examples 107 12 1 Introduction 107 12 2 ...

Page 8: ...k Diagram IF option shown 45 Figure 6 2 XDS DC Supply Simplified Block Diagram 46 Figure 6 3 Power Module Block Diagram 48 Figure 7 1 Test Equipment Hookup for Routine Output and Measurement Calibration 53 Figure 7 2 Calibration Adjustments 54 Figure 8 1 Assembly Location 62 Figure 8 2 XDS Controller Jumper Locations Front view far side of PWB 66 Figure 8 3 Replaceable Fuse Locations 69 Figure 9 1...

Page 9: ...left to right 55 Table 8 1 Basic Symptoms 59 Table 8 2 Poor Output Voltage Accuracy 59 Table 8 3 Poor Output Voltage Regulation 59 Table 8 4 No Output and No Lights on Front Panel 60 Table 8 5 No Output But Display Is On 60 Table 8 6 DC Controller Configuration Jumper Settings Mode 65 Table 8 7 DC Controller Jumper configurations Power Level 65 Table 8 8 DC Controller Jumper configurations OVP mod...

Page 10: ...y output and an LED indicator that informs the operator of the output status at all time The left hand side LED display is used to display the programmed voltage as well as the measured output voltage The LED display to the right is used to program the current or to display measured current peak current or power The display SELECT button can be used to set the desired display mode A standard RS232...

Page 11: ...ackets on both sides The rack ears are not designed to support the full weight of the XDS unit when installed in a cabinet but only to prevent it from sliding out Contact Argantix customer support support argantix com for information on rack mount kits for specific cabinets depths Proper airflow must be maintained in the instrument cabinet and the rear of the cabinet should not be closed off by a ...

Page 12: ...27A 54A 81A Options 400 480 18A 18A 36A 36A 54A 54A Recommended circuit protection per phase CB Standard 208 30A 60A 90A Options 400 480 20A 20A 40A 40A 60A 60A 2 1 3 Output Power DC Power 5 KW 10 KW or 15 KW depending on model See section 2 1 5 Maximum power is available at full scale voltage 2 1 4 Output Voltage Voltage Range See section 2 1 5 Voltage Programming Model Range Resolution Accuracy ...

Page 13: ...7 XDS 30 333 XDS 30 500 5 10 15 30 30 30 167 333 500 15 mV 15 mV 15 mV 90 mV 90 mV 90 mV XDS 40 125 XDS 40 250 XDS 40 375 5 10 15 40 40 40 125 250 375 15 mV 15 mV 15 mV 90 mV 90 mV 90 mV XDS 50 100 XDS 50 200 XDS 50 300 5 10 15 50 50 50 100 200 300 15 mV 15 mV 15 mV 90 mV 90 mV 90 mV XDS 80 62 XDS 80 125 XDS 80 187 5 10 15 80 80 80 62 5 125 187 5 25 mV 25 mV 25 mV 250 mV 250 mV 250 mV XDS 100 50 X...

Page 14: ... 250 A 0 375 A 0 1 A 0 1 A 0 1 A 0 5 XDS 80 62 XDS 80 125 XDS 80 187 0 62 5 A 0 125 A 0 187 5 A 0 02 A 0 1 A 0 1 A 0 5 XDS 100 50 XDS 100 100 XDS 100 150 0 50 A 0 100 A 0 150 A 0 02 A 0 1 A 0 1 A 0 5 XDS 150 33 XDS 150 66 XDS 150 100 0 33 3 A 0 66 7 A 0 100 A 0 01 A 0 02 A 0 1 A 0 5 XDS 250 20 XDS 250 40 XDS 250 60 0 20 A 0 40 A 0 60 A 0 005 A 0 01 A 0 02 A 0 5 XDS 300 17 XDS 300 33 XDS 300 50 0 1...

Page 15: ...XDS 40 375 0 125 A 0 250 A 0 375 A 0 1 A 0 1 A 0 1 A 0 3 A 0 5 A 0 5 A XDS 50 100 XDS 50 200 XDS 50 300 0 100 A 0 200 A 0 300 A 0 1 A 0 1 A 0 1 A 0 3 A 0 5 A 0 5 A XDS 80 62 XDS 80 125 XDS 80 187 0 66 A 0 125 A 0 187 A 0 02 A 0 1 A 0 1 A 0 1 A 0 3 A 0 3 A XDS 100 50 XDS 100 100 XDS 100 150 0 50 A 0 100 A 0 150 A 0 02 A 0 1 A 0 1 A 0 1 A 0 3 A 0 3 A XDS 150 33 XDS 150 66 XDS 150 100 0 33 A 0 66 A 0...

Page 16: ... 25 0 17 A 0 25 A 0 005 A 0 01 A 0 025 A 0 05 A Power Model Range Resolution Accuracy All 0 5 KW 0 10 KW 0 15 KW 1 W 2 W 5 W 0 3 FS Peak Current Model Range Resolution Accuracy All See current table See current table See accuracy in current table 3 x resolution ...

Page 17: ...t 5 25 133 35 mm Unit Weight 15 kW model Net 90 Lbs 40 8 Kg Gross 125 Lbs 56 7 Kg 10 kW model Net 70 Lbs 31 8 Kg Gross 105 Lbs 47 6 Kg 5 kW model Net 50 Lbs 22 7 Kg Gross 85 Lbs 38 6 Kg Material Chassis Steel Anodized Top cover Aluminum Anodized Front panel Aluminum Anodized Cooling Forced air side and top intake rear exhaust Acoustic Noise Level Measured at 1 meter from front of unit 5 KW 55 dBA ...

Page 18: ...C 0 5 VDC for 0 to full scale voltage RPV or current limit RPC Input impedance 10 KOhm Accuracy 0 5 See section 5 for details Output Auxiliary drive output signal See section 5 for details Remote Inhibit Shuts down output Factory default operation is output disabled with contact closure or logic low input Operation mode can be inverted to shut down when connection is broken interrupted using SYST ...

Page 19: ...Interface state Selected Measurement Curr Peak Curr Power 2 9 Parallel Operation Two or more XDS power supply of the same model number voltage range and power level must match may be combined to create a higher power system This requires one master unit default and one or more auxiliary units AUX The maximum number of XDS units that can be paralleled is 5 1 master 4 auxiliary units The following s...

Page 20: ... 0 10 V RPC5 Stand alone operation with analog current limit programming 0 5 V 2 11 LC Option The LC option reduces the output capacitance of each DC power module This results in improved rise and fall times compared to a standard XDS unit The output noise and ripple specification is increased by a factor of 2 when adding the LC option This option is available only on models with voltage ranges of...

Page 21: ...se and may only be removed when the unit is not in use and disconnected from AC mains Adequate air flow must be maintained at all times so care should be taken not to block the top and side air intakes or the rear air exhaust Leave at least 4 of clearance at the back of the unit to allow proper airflow Rack Use The XDS Series uses a 19 cabinet with rack ears and can be installed in a standard equi...

Page 22: ...r 3 62 Nm of torque to the input terminal connection studs and screws Table 3 1 Rear Panel Input and Output Connectors Connector AC Input Function Connects To L1 AC in L2 AC in L3 AC in CHASSIS GND Primary AC Power Input 208 230 VAC nominal Std 400 VAC nominal 480 VAC nominal Limit torque applied to 32 inch pound force 2 7 foot pond force 3 6 Nm DC Output Function Connects To Positive Bus Bar Nega...

Page 23: ...erminal and ISO RTN pin 10 will turn off the power supply Mode 1 A logic high or a disconnect between this terminal and ISO RTN pin 10 will turn off the power supply The mode can be set over the RS232C or GPIB bus using the SYST CONF command and retained at power on using the SYST SAVE command 2 Not used N C 3 Not used N C 4 V I PROG 10V Input Isolated Remote analog programming Using a 0 10VDC sou...

Page 24: ...5V and V I PROG 10V Internally connected to pin 10 15 Not used N C Table 3 6 Auxiliary I O Connector Isolated J21 J21 Pin Designator Dir Description 1 Not used N C 2 ISO COM Isolated Return path to be used with pin 6 3 Not used N C 4 Not used N C 5 Not used N C 6 I MON Output Output current monitor 7 Not used N C 8 Not used N C 9 Not used N C Figure 3 1 Location of rear panel connectors ...

Page 25: ...ar studs Care must be taken to properly size all conductors for the input and output of the power supply Table 3 7 bellow gives minimum recommended wire size for the input This table is derived from the National Electrical Code and is for reference only Local laws and conditions may have different requirements The table is for copper wire only Table 3 7 Minimum Wire Size Table Size Temperature Rat...

Page 26: ...ef on the safety cover Always install the AC input safety cover and strain relief provided with the unit The ground wire should be longer than the three power phase wires by at least 1 inch 3 5 1 EMI Toroid Installation 400V Models To meet CE Mark conducted emissions models with 400V AC input must have the supplied ferrite toroid installed on the AC input wiring as shown Loop the three phase condu...

Page 27: ...User and Programming Manual XDS Series 27 Figure 3 5 Outline Drawing XDS DC Supply ...

Page 28: ...icates the DC Supply is operating in the Constant Voltage mode CC MODE Indicates the DC Supply is operating in the Constant Current mode OUTPUT The Output LED indicates the status of the OUTPUT The output is controlled by the OUTPUT ON OFF button located directly below the LED When the Output LED is not lit the output voltage is not present at the output terminals regardless of the voltage setting...

Page 29: ...t panel One is used to toggle the Output State the other to toggle display modes for the right hand side segment LED The following is a description of these buttons KEY DESCRIPTION OUTPUT ON OFF The OUTPUT ON OFF button will toggle the output on or off The LED above the button will light when the output is on No output voltage will be present when the OUTPUT ON OFF button is off despite the level ...

Page 30: ...eleasing the knob for about 3 seconds this display reverts back to displaying the measured output voltage The right hand LED display is a multi purpose display For setup purposes it always displays the Current limit setting After about 3 seconds on inactivity this display switches to the selected measurement parameter The SELECT button will define the operating mode or the selected measurement par...

Page 31: ... will reduce the output The display above the shuttle will show the voltage setting 3 Use the right shuttle to set the current limit The SELECT button will define the function of the right hand side LED display 4 Enable the output by pressing the OUTPUT button 4 2 2 Slew Output Values The output parameters can be slewed using the shuttles 1 Enable the output by pressing the OUTPUT button The LED a...

Page 32: ...ed voltage setting will remain at the last program value 2 Pressing the OUTPUT button again will engage the output and the output will revert to the last programmed value 4 2 5 Measure Peak Inrush Current The peak current measurement function of the XDS Series uses a sample and hold circuit to track the highest peak current found until reset The peak current sample and hold circuit is reset any ti...

Page 33: ... mode 2 Press and hold the SELECT key normally toggles LED display mode 3 While holding the SELECT key press the OUTPUT ON OFF key This will save the present front panel settings in non volatile memory register NVM no 7 and assign this register as the power on register 4 Release both keys Note that as step 2 is executed the display mode will toggle This means the display mode after power up is dif...

Page 34: ...ge as needed to maintain the set current limit level Constant Current CC mode In this mode of operation the output current of the DC supply is regulated as long as the voltage set is not reached If the output voltage reaches the set voltage the DC supply crosses over to the constant voltage mode by reducing the output current as needed to maintain the set voltage level The currently active mode is...

Page 35: ...torage capacitors across the output terminals The XDS Series DC supply has a bleeder circuit that when activated will drop the output from its present value to a value closer to zero volts in approximately 150 milliseconds under a no load condition Actual times may vary by voltage range model This special bleeder circuit will activate when the output voltage is programmed to a value that is 10 low...

Page 36: ...e output voltage exceeds the set trip level and the OVP mode is enabled the power supply will generate a 300 Device specific error and turn off the output The mode is enabled with the VOLT PROT STAT command The OVP mode provides another level of protection in addition to the volt high user setting which prevents programming commands or front panel inputs above this level to be accepted ...

Page 37: ...from the front panel or over the bus Measurements are still available however Master remote programming Voltage RPV5 Stand alone mode with voltage controlled by external analog DC voltage input signal Full scale voltage required 5 VDC input Current limit can be set from the front panel or over the bus Master remote programming Voltage RPV10 Stand alone mode with voltage controlled by external anal...

Page 38: ...oller assembly This assembly is located directly behind the front panel The jumpers are on the far side of the controller assembly and can be accessed without removing the controller from the XDS chassis The figure below shows the located on the controller assembly and jumpers when facing the front of the unit Note that the top cover has been pushed back about 4 inches Figure 5 1 XDS Configuration...

Page 39: ...107 J25 2 1 TP5 1 1 1 W14 W11 W12 W13 TP2 TP6 TP7TP9 TP1 TP3 TP5 TP4 TP8 TP10 TP11 W657 8 15 R40 R87 R54 R60 R62 R64 R63 R40 R87 R54 R60 R62 R64 R63 R107 R103 J24 J3 J1 J25 2 1 W14 W4 W3 W2 W1 W6578 15 W4 W3 W2 W1 W9 W10 W11 W12 W13 R81 R44 J4 W16 W16 Figure 5 2 XDS Controller Jumper Locations Front view far side of PWB ...

Page 40: ...e output bus bars of all units must be tied together The master s unit external sense connection must be connected as well The master provides the control signal IMon for all auxiliary units This control signal is provided on Auxiliary I O connector J21 at the rear panel A DB9 connector is required to This requires the use of a 9 pin D sub connector Each auxiliary unit AUX has an analog input on J...

Page 41: ...User and Programming Manual XDS Series 41 Figure 5 4 Parallel Cable Interconnect Accessory ...

Page 42: ... fro output voltage on the left LED and the selected read back current peak current or power on the right hand side LED Turning the controls on an AUX unit will result in a set of four dashes being shown on the readout This indicates not front panel control is available After about 2 seconds of releasing the knob the display will revert back to read back mode The Output On Off key remains active G...

Page 43: ...r auxiliary operation AUX or RPC cannot be used with RPV There are two discrete inputs available for RPV mode on connector J22 DB15 at the rear panel Input pin 4 provides a 10VDC range input input pin 11 provides a 5VDC range input Both inputs are referenced to pin 14 ISO COM These inputs can be calibrated using adjustment pot R103 but only one adjustment is available for either input so the unit ...

Page 44: ... sized fuses on each module There is no master switch or circuit breaker so as long as mains power is applied to the input the DC modules and power supply board are powered A front panel switch enables the DC supply board to put the whole unit in the active state The controller power supply and each DC module are interconnected with a ribbon cable This ribbon cable serves as the Supply Control bus...

Page 45: ...User and Programming Manual XDS Series 45 Figure 6 1 DC Power Supply Block Diagram IF option shown ...

Page 46: ...A10 DC MODULE A9 DC MODULE A3 DC CONTROLLER A B C GND 3 Phase AC Power Bus Supply Control Bus SELV Supply J6 J9 J5 J6 J6 J6 P1 J1 J3 J5 J20 RS232 J23 GPIB J22 ANLG I O STANDARD OPTIONAL OPTIONAL V SENSE VOUT VOUT AC INPUT B3 B2 B1 J12 A8 GPIB Figure 6 2 XDS DC Supply Simplified Block Diagram ...

Page 47: ...output voltage converter The output voltage is controlled between 12 V and 24 V depending on the master DC module output current This controls the fan speed to reduce audible noise when the module is lightly loaded An over voltage under voltage or phase lost detect comparator monitors the rectified input AC voltage and sends isolated logic signals to the controller if the mains voltage is not with...

Page 48: ...ses and then a full wave rectifier CR8 CR13 The DC voltage is filtered and stored on two electrolytic capacitors The capacitors are configured in parallel for 208 volt mains or in series for 400 480 volt mains High inrush current to the electrolytics is limited by a resistor The resistor is shorted out by an SCR CR14 during module operation Note This bus bar is always live even if the front panel ...

Page 49: ...le heat sink opens if the monitored temperature is too high This disables the DC module and is reported by the CPU controller A discharge circuit on the DC module amplifier board sinks current from the output electrolytic capacitors to quickly remove charge from the output The level of discharge depends on the model output voltage and amount of external capacitance added by the user Each power mod...

Page 50: ... mode of operation Table 8 6 Table 8 7 and Table 8 8 show the valid jumper setting combinations A 1 indicates the jumper is installed A 0 indicates the jumper is out Factory default settings are determined by the configuration option See section 2 10 To change jumper settings the top cover has to be removed to gain access Contact Argantix support argantix com prior to doing so to ensure the warran...

Page 51: ... TO 524 VAC AND 600 VDC MAY BE PRESENT IN CERTAIN SECTIONS OF THIS POWER SUPPLY THIS EQUIPMENT GENERATES POTENTIALLY LETHAL VOLTAGES DEATH ON CONTACT MAY RESULT IF PERSONNEL FAIL TO OBSERVE SAFETY PRECAUTIONS DO NOT TOUCH ELECTRONIC CIRCUITS WHEN POWER IS APPLIED ...

Page 52: ...k Model RUG Z R001 0 1 or equivalent Load Bank Various power load resistors will be needed Table 7 1 Calibration Equipment Model Voltage Range Current Load Resistor XDS 30 167 XDS 30 333 XDS 30 500 30 167 A 333 A 500 A 0 18 0 09 0 06 XDS 40 125 XDS 40 250 XDS 40 375 40 125 A 250 A 375 A 0 32 0 16 0 107 XDS 50 100 XDS 50 200 XDS 50 300 50 100 A 200 A 300 A 0 50 0 25 0 167 XDS 80 62 XDS 80 125 XDS 8...

Page 53: ...el terminal strip The load must be connected to the POWER bus bars The external sense input of the DC supply must be connected at the same point as the DMM used to measure voltage The DMM used to measure current must be connected across the reference shunt Make sure the LO side of both DMM s is connected to the negative bus bar L R SHUNT CURRENT VOLTAGE DC SUPPLY rear view POS NEG Measure output v...

Page 54: ...o pull it forward by a few inches to access the front part of the top cover where the adjustment pots are located Always use caution when sliding the unit out of a cabinet as its weight must be properly supported Reference Parameter Type R40 Output Voltage Full Scale R44 7 4 VDC Reference Normalization R54 Voltage Measurement Full Scale R60 Current Measurement Offset R62 Current Measurement Full S...

Page 55: ...by location left to right 7 2 1 Output Voltage Calibration Offset Calibration a Set programmed voltage to 5 of full scale voltage by using the Voltage Knob b Adjust R87 until DVM output voltage reading matches the set voltage as closely as possible Full Scale Calibration a Set programmed voltage to 90 of full scale voltage value b Adjust R40 until DVM reading equals the set voltage as closely as p...

Page 56: ...nt limit to 2 of range b Adjust R107 until DVM output current reading matches the set current level as closely as possible Full Scale Calibration a Set programmed output current to full scale b Adjust R63 until the DC supply starts going into current limit 7 3 2 Analog Input Calibration This calibration is performed at the factory only and should not be done by the end user unless the controller m...

Page 57: ...d it does not support parallel operation 3 If the total system power is 45 KW or more install jumper W15 on the Master Controller board W16 should already be installed 4 Connect the outputs of all of the power sources in parallel Use adequate wire sizes Connect a suitable current shunt in series with each unit so the current delivered by each unit can be monitored individually If suitable current ...

Page 58: ...alance the currents Remove the load to check the load regulation Configurations with more than 2 XDS units Follow this procedure for each of the AUX units in the parallel system configuration For systems with more than one AUX unit it may be necessary to adjust each unit in turn until they all share within stated tolerances Example The following is an example of the parallel adjustments of a 2 box...

Page 59: ... 4 No output but Display on front panel is on 8 2 5 Error 300 8 2 6 Can t program DC supply on GPIB or RS232 8 2 1 Poor Output Voltage Accuracy If the power supply exhibits poor programmed voltage accuracy the following item may be at fault Table 8 2 Poor Output Voltage Accuracy CAUSE SOLUTION The calibration is incorrect Calibrate the output 8 2 2 Poor Output Voltage Regulation If the AC Power su...

Page 60: ...oller configuration lost Evident by inability to set voltage or current to any other value than 0 If the controller encounters an incorrect configuration check sum at power up it defaults to a SAFE state by setting the voltage and current range to 0 V and 0 A The unit is inoperative in this state until the configuration data is reset This requires the use of the RS232C interface Contact factory fo...

Page 61: ...s See section 9 4 The RS232C interface has been used and the DC supply has not been powered down since Note that on the XDS Series DC Supply only one interface can be active at one time If the RS232C interface is used the GPIB interface is automatically disabled until the power is cycled Also check the RS232C GPIB selection switch setting on the address DIP switch See section 9 4 No terminator is ...

Page 62: ...User and Programming Manual 62 XDS Series 8 3 Module Removal Figure 8 1 shows the location of the internal modules and assemblies Figure 8 1 Assembly Location ...

Page 63: ... front edge that hold the front panel to the chassis 5 Remove the two nuts in the top corners of the front panel that hold the front panel to the chassis 6 Disconnect the system interface 40 pin ribbon cable from the controller and disconnect the power ribbon cable 10 pin You can now remove the front panel assembly from the chassis 7 Place the front panel assembly on a static free work surface 8 R...

Page 64: ...LH screws 4 Remove the module interface cable that connects the modules to the Bias Supply and the controller to clear the EMI shield Then remove the EMI shield 5 Remove the 2 6 32 x 1 screws and lock washers that hold the amplifier module at the rear panel 6 Disconnect the 40 pin ribbon system interface cable that connects all power modules along the top and then remove the EMI shield If any cabl...

Page 65: ...rations Configurations not shown should be avoided as they may render the unit inoperative The controller board has a total of 15 jumpers W1 through W15 that determine the mode of operation Table 8 7 through Table 8 8 shows all valid jumper setting combinations A 1 indicates the jumper is installed A 0 indicates the jumper is out To change jumper settings the top cover has to be removed to gain ac...

Page 66: ...107 J25 2 1 TP5 1 1 1 W14 W11 W12 W13 TP2 TP6 TP7TP9 TP1 TP3 TP5 TP4 TP8 TP10 TP11 W657 8 15 R40 R87 R54 R60 R62 R64 R63 R40 R87 R54 R60 R62 R64 R63 R107 R103 J24 J3 J1 J25 2 1 W14 W4 W3 W2 W1 W6578 15 W4 W3 W2 W1 W9 W10 W11 W12 W13 R81 R44 J4 W16 W16 Figure 8 2 XDS Controller Jumper Locations Front view far side of PWB ...

Page 67: ...x number 1 858 677 0904 or email to support argantix com REF PART DESCRIPTION VENDOR QTY 1 5005 720 1 PC Assy Controller CI 1 2 5005 709 3 PC Assy GPIB IF option CI 1 3 5005 703 5005 723 PC Assy Bias Supply or PC Assy Bias Supply CI 1 4 5005 702 PC Assy Power Module 2 CI 1 3 5 5005 700 1 PC Assy Output Filter w Sense CI 1 6 5005 700 2 PC Assy Output Filter w o Sense CI 0 2 7 241182 Fan 4 24 VDC EB...

Page 68: ...er module Model Standard Power Module LC Option 30 V 2 x 22000 uF P N 611437 2 x 5600 uF P N 611435 40 V 2 x 15000 uF P N 611436 2 x 3900 uF P N 611422 50 V 2 x 12000 uF P N 611441 2 x 3900uF P N 611422 80 V 2 x 3900 uF P N 611422 2 x 1500uF P N 611439 100 V 2 x 2200 uF P N 611438 2 x 470uF P N 611440 150 V 2 x 1500 uF P N 611439 N A 250 V 2 x 560 uF P N 611472 N A 300 V 2 x 470 uF P N 611440 N A ...

Page 69: ...User and Programming Manual XDS Series 69 Figure 8 3 Replaceable Fuse Locations ...

Page 70: ...r IEEE 488 interface Additional benefits are obtained from using the PC as a control interface Some of these benefits include the ability to store measurement data to disk and produce output transients to simulate DC supply conditions The XDSGUI is a Windows program and as such requires a PC capable of running Windows 98 or Windows NT 2000 XP For best performance a Pentium based PC is recommended ...

Page 71: ...minator at the end of each string sent over the RS232C interface If the programming environment you use to develop test programs does not append a LF terminator to each output string the XDS Series will not respond This may be the case for programs like LabView using VISA drivers 9 3 1 Serial Communication Test Program The following sample program written in Quick BASIC can be used to check commun...

Page 72: ...tax Error Reported by power supply END IF Clear ERR XXX Message from front panel if any error occurred IF esr 0 THEN PRINT 1 CLS CHR 10 END IF END IF LOOP UNTIL cmd QUIT OR cmd quit Close COM port on exit CLOSE 1 END FUNCTION retstring This function returns a response string from the XDS Series power supply The QBasic statement LINE INPUT cannot be used as the XDS Series does not return a CR 13 af...

Page 73: ...ds to bits 4 through 0 of the IEEE address The desired interface is selected by moving DIP switch position 5 to the correct mode Only one interface can be active at a time Note Always turn off the power supply and disconnect AC input power when changing this DIP setting Use a non metallic object to change switch positions for the Address Figure 9 3 GPIB Address Selection Switch The dark section re...

Page 74: ...EE 488 position See section 9 4 Set the desired IEEE address using DIP switch position 4 through 0 on the rear panel See section 9 4 9 5 3 Installing the XDSGUI Software The XDSGUI software is distributed on CD ROM The XDSGUI must be installed from CD using the included setup program as all required files are compressed To install the XDSGUI proceed as follows 1 Turn on the PC and boot up in Windo...

Page 75: ...btain the correct cable DB9 to DB9 straight through male to female Resolution for Symptom 1 The XDS Series of power supplies require hardware handshaking to control data flow from the PC to the Power supply After receiving a command the power supply asserts the DTR line to hold off further communication from the PC until the command just sent has been processed Under Windows it is possible to use ...

Page 76: ...tton at the bottom left of the dialog box 10 This brings up the settings dialog box for the COM port In this example COM2 is used 11 From the tabs at the top of the dialog box select the Port Settings tab 12 This should bring up the dialog shown in Figure 9 6 13 Next select the Advanced button to bring up the advanced port settings dialog box shown in Figure 9 5 14 At the top of the dialog box dis...

Page 77: ...he command delay paramter located in the System Interface dialog The default value for the CmdDelay is set to 30 and is displayed below the command line of the Interface window Change this value to 40 by entering the new value from the keyboard Try to connect again You may have to cycle the power on the power supply if it still shows the Err 100 display Higher values than 40 may be set for the Cmd...

Page 78: ...s selected must match the settings on the DIP switch If changes are made to the DIP switch setting the power supply must be cycled off and on to have the new settings take effect 3 Did you connect the cable in correctly and are both ends of the GPIB cable securely tied down Resolution for Symptom 1 When using a fast IEEE 488 bus controller the power supply s IEEE 488 interface may not handshake fa...

Page 79: ...regular basis on the Argantix web site You can find available programs by selecting the Software GUI s and Drivers menu To gain access to these downloads you will need to register as a user on our web site For instructions on how to register and request the required access level for software downloads visit our web site at www argantix com ...

Page 80: ... The SCPI Commands and Messages This paragraph explains the syntax difference between SCPI Commands and SCPI messages The power supply supports two types of commands IEEE 488 2 common and SCPI subsystem commands IEEE 488 2 common commands are generally not related to specific operations but to controlling overall Power supply functions such as reset status and synchronization All common commands c...

Page 81: ...ation when The Power supply is powered on A device clear DCL is sent to the Power supply The SCPI interface encounters a message terminator The SCPI interface encounters a root specifier Active Header Path In order to properly traverse the command tree you must understand the concept of the active header path When the Power supply is turned on or under any of the other conditions listed above the ...

Page 82: ...OLT 60 DISP MODE 3 Because the root specifier resets the command parser to the root you can use the root specifier and do the same thing in one message VOLT 60 DISP MODE 3 Including Common Commands You can combine common commands with system commands in the same message Treat the common command as a message unit by separating it with a semicolon the message unit separator Common commands do not af...

Page 83: ...sage unit consisting of a command header or keyword followed by a message terminator CURRent newline VOLTage newline The message unit may include a parameter after the header The parameter usually is numeric VOLTage 20 newline OUTPut 1 newline Combining Message Units The following command message is briefly described here with details in subsequent paragraphs Data Query Indicator Message Unit Head...

Page 84: ...cution Note In view of the 21 character receive buffer size of the XDS Series the short form is recommended under all circumstances Header Convention In the command descriptions used in this manual the proper short form is shown in upper case letters such as DELay Header Separator If a command has more than one header you must separate them with a colon e g SYSTem ERRor LIMit VOLT LOW Optional Hea...

Page 85: ...mats NR1 Digits with an implied decimal point assumed at the right of the least significant digit Examples 273 NR2 Digits with an explicit decimal point Example 0273 NR3 Digits with an explicit decimal point and an exponent Example 2 73E 2 Bool Boolean Data Example 0 1 Listening Formats Nrf Extended format that includes NR1 NR2 and NR3 Examples 273 2 2 73E2 Bool Boolean Data Example 0 1 Character ...

Page 86: ...nternal optically isolated serial bus to the main processor This process takes place for both GPIB and RS232C control so this command hold off delay period is needed regardless of which interface is used The same delay is not required following a query command e g VOLT as the application program generally waits for the response before sending the next command Inserting this delay does not affect r...

Page 87: ...ds 11 1 Subsystem Commands Subsystem commands are specific to Power supply functions They can be a single command or a group of commands The groups are comprised of commands that extend one or more levels below the root The description of common commands follows the description of the subsystem commands The subsystem command groups are listed in alphabetical order and the commands within each subs...

Page 88: ...ne Examples MEAS CURR Returned Parameters NR2 Related Commands OUTP 0 1 MEAS CURR AMPL MAX MEASure CURRent AMPLitude MAX This query returns the peak current value of the output current being sourced at the output terminals Note that the output must be ON to obtain current flow The peak current measurement circuit uses a sample and hold method and latches the highest peak current value found since ...

Page 89: ...ax MEASure POWer Parameters None Examples MEAS POW Returned Parameters NR2 Related Commands MEAS VOLT MEAS CURR MEASure VOLTage This query returns the average DC voltage being sourced at the output terminals Note that the output must be on or no voltage will be present at the output terminals Query Syntax MEASure VOLTage Parameters None Examples MEAS VOLT Returned Parameters NR2 Related Commands O...

Page 90: ...the programmed limit The current may be set between the low limit and high limit as programmed using the CURR HIGH and CURR LOW commands However the high limit cannot be higher than the model s capability configuration limit which can be queried with the LIM CURR command The low limit cannot be less than zero The RST state for high and low current is zero for low and maximum configuration limit fo...

Page 91: ...mit however The RST state for low current limit is zero Command Syntax SOURce CURRent LOW NRf Parameters 0 to LIM CURR value Unit A amperes RST 0 Examples CURR LOW 5 Query Syntax CURRent LOW Returned Parameters NR2 Related Commands CURR CURR HIGH SOURce LIMit CURRent This command queries the maximum current the power supply can deliver Only the Query format of this command is available to the user...

Page 92: ... LEVel This command programs the DC output voltage level of the power supply The voltage may be set between the low limit and high limit as programmed using the VOLT HIGH and VOLT LOW commands However the high limit cannot be higher than the model s capability configuration limit which can be queried with the LIM VOLT command The low limit cannot be less than zero The RST state for high and low vo...

Page 93: ...lue below this limit value is programmed a 200 Execution Error will be generated The voltage limit may be set between zero and the model s capability configuration limit which can be queried with the LIM VOLT command The low limit cannot be more than the high limit however The RST state for low current limit is zero Note This feature is best reserved for program control applications If a low volta...

Page 94: ...he programmed output value Command Syntax SOURce VOLTage PROTection LEVel NR1 Parameters percentage of V range Unit RST Value 110 Examples VOLT PROT 80 VOLT PROT LEV 25 Query Syntax SOURce VOLTage PROTection LEVel Returned Parameters NR1 Related Commands VOLT PROT STATE SOURce VOLTage PROTection STATe This command enables or disables the OVP mode of the power supply The OVP mode state may be set u...

Page 95: ...P LEV OUTPut DROP TIME The output drop command may be used to change the voltage to the UUT for a specific period of time This command may be used to change the output voltage for a period of time as little as 1 msec or as long as 4000 sec The voltage setting during this time is determined by the OUTP DROP LEV command The parameter passed with the OUTP DROP command is the event duration in seconds...

Page 96: ... OUTP DROP LEV OUTPut DROP LEVel The output drop level command sets the voltage level used by the OUTP DROP TIME command The level set must be between the VOLT HIGH and VOLT LOW limits or a 200 Execution Error will be generated Command Syntax OUTPut DROP LEVel NRf Parameters NRf RST Value 0 Examples OUTP DROP LEV 20 5 Query Syntax OUTP DROP LEV Returned Parameters NR2 Related Commands OUTP DROP ...

Page 97: ...h between display of 1 current setting or current measurement 2 peak current measurement 3 power measurement The encoding for the mode command is as shown in the table below Parameter Value Current 1 Peak Current 2 Power 3 Table 11 2 Display Mode Command Encoding Command Syntax DISPlay MODE NR2 Parameters 1 2 3 RST Value 1 Examples DISP MODE 2 Query Syntax DISPlay MODE Returned Parameters NR1 Rela...

Page 98: ...1 SRD Example SYST CONF 0 followed by SYST SAVE SYSTem ERRor This query returns the next error number followed by its corresponding error message string from the remote programming error queue The queue is a FIFO first in first out buffer that stores errors as they occur As it is read each error is removed from the queue When all errors have been read the query returns 0 No Error If more errors ar...

Page 99: ...command only applies to the RS232C interface If IEEE 488 is used the remote local status is determined by the REN line on the IEEE 488 interface but the SYST LOC and SYST REM command will also be accepted and will toggle the remote state despite the status of the IEEE REN line Command Syntax SYSTem REMote Parameters None Example SYST REM Related Commands SYST LOC SYSTem PON This command is used to...

Page 100: ...a or status specified by the command then both command and query are included under the explanation for the command If a query does not have a corresponding command or is functionally different from the command then the query is listed separately The description for each common command or query specifies any status registers affected Refer to Chapter 13 which explains how to read specific register...

Page 101: ...g event All of the enabled events of the Standard Event Status Enable Register are logically OR ed to cause the Event Summary Bit ESB of the Status Byte Register to be set See Section 16 for descriptions of the Standard Event Status registers The query reads the Standard Event Status Enable register Table 11 3 Bit Configuration of Standard Event Status Enable Register Bit Position 7 6 5 4 3 2 1 0 ...

Page 102: ...rs None Returned Parameters NR1 Register value Related Commands CLS ESE ESE If the ESR returns the value of the status bits in the ESR register Refer to Table 11 4 for the status bits and their meaning Table 11 4 Bit Configuration of Standard Event Status Register Bit Position 7 6 5 4 3 2 1 0 Bit Name PON not used CME EXE DDE QYE not used not used Bit Weight 128 32 16 8 4 CME Command error DDE Dev...

Page 103: ...ARD Field Information AX Manufacturer xx xx Model number Volt Current nnnnn Serial number or 0 Rev x x Revision level of firmware Example AX XDS80 63 12345 Rev 1 0 11 7 5 RCL This command restores the power supply to a state that was previously stored in memory with a SAV command to the specified location The XDS Series offers eight non volatile memory locations for storing instrument setups Comma...

Page 104: ... before sending subsequent bus commands Table 11 5 RST Default Parameter Values Item Value Item Value VOLT 0 0 V VOLT HIGH Max available VOLT LOW 0 CURR Max available CURR HIGH Max available CURR LOW 0 OUTP 0 OFF DISP MODE 1 CURRENT Command Syntax RST Parameters None Related Commands SAV Table 11 6 Status Registers Power on Conditions Register Status on Power On Status after RST ESE register All 0...

Page 105: ...est Enable Register This register determines which bits from the Status Byte Register see STB for its bit configuration are allowed to set the Master Status Summary MSS A 1 in any Service Request Enable Register bit position enables the corresponding Status Byte Register bit and all such enabled bits then are logically OR ed to cause Bit 6 of the Status Byte Register to be set See Section 13 for m...

Page 106: ...e cleared when the appropriate event registers are read see Section 13 for more information Table 11 7 Bit Configuration of Status Byte Register Bit Position 7 6 5 4 3 2 0 Bit Name OPER MSS ESB MAV QUES not used Bit Weight 128 64 32 16 8 OPER operation status summary MSS master status summary ESB event status byte summary QUES questionable status summary MAV message available Query Syntax STB Retu...

Page 107: ... register number or the register has no valid data the Power supply initializes to the following state VOLT 0 0 OUTP 0 The following commands are given implicitly at power on RST CLS SRE 128 ESE 0 RST is a convenient way to program all parameters to a known state Refer to Table 11 5 under the RST command in paragraph 11 7 6 to see how each programmable parameter is set by RST Enabling the Output T...

Page 108: ...URR HIGH and CURR LOW commands 12 3 Making Measurements The source has the capability to return current peak current power and voltage measurements Voltage Measurement To measure the voltage use OUTP 1 Close output if it was not closed already MEAS VOLT Current Measurements To measure the RMS current use MEAS CURR To measure the peak current use MEAS CURR AMPL RES resets track and hold for peak cu...

Page 109: ...gram can then act on the event in the appropriate fashion Figure 13 1 Power Supply Status System Model Figure 13 1 shows the status register structure of the power supply The Standard Event Status Byte and Service Request Enable registers and the Output Queue perform standard IEEE 488 functions as defined in the IEEE 488 2 Standard Digital Interface for Programmable Instrumentation 13 1 Power On C...

Page 110: ...s register summarizes the information from all other status groups as defined in the IEEE 488 2 Standard Digital Interface for Programmable Instrumentation The bit configuration is shown in Table 11 7 Command Action STB reads the data in the register but does not clear it returns MSS in bit 6 The MSS Bit This is a real time unlatched summary of all Status Byte register bits that are enabled by the...

Page 111: ...ine which summary bits are active Use STB Step 2 Read the corresponding Event register for each summary bit to determine which events caused the summary bit to be set Use ESR Note When an Event register is read it is cleared This also clears the corresponding summary bit Step 3 Remove the specific condition that caused the event If this is not possible the event may be disabled by programming the ...

Page 112: ...ee Root Level 1 Level 2 Level 3 Level 4 SOURce CURRent LEVel HIGH LOW LIMit VOLTage CURRent MODE VOLTage LEVel HIGH LOW PROTection LEVel STATe OUTPut RELay DROP TIME LEVel MEASurement CURRent LEVel AMPLitude MAX RESet POWer VOLTage DISPlay MODE SYSTem CONFigure ERRor KLOCk LOCal PON REMote ...

Page 113: ...User and Programming Manual XDS Series 113 Appendix B SCPI Conformance Information SCPI Version The XDS Series DC power supplies conform to SCPI version 1990 0 ...

Page 114: ...r current may be outside of user set high and low programming limits 300 Device specific error This error can have several causes all them hardware related Possible causes are 1 AC input over voltage under voltage or missing input phase 2 Over temperature condition 3 Sense connection reversed or shorted 350 Queue overflow Generally caused by too many errors being generated without reading error st...

Page 115: ...ror Messages 114 ESE 101 ESR 102 External Sense 13 F factory default power on setting 33 formats data 85 front panel 28 70 lock 29 G GPIB 73 address selection 73 troubleshooting 78 H header optional 84 Header 81 separator 84 Humidity 17 I IDN 103 IEEE 488 50 73 address selection 73 troubleshooting 78 IF Option 18 initialization changing 33 installation 74 program 74 Installing software 74 intercon...

Page 116: ...04 S SAV 105 SCPI 80 message 80 program message 80 response message 80 SCPI Command tree 112 Separator 84 Setup program 74 shuttle 29 simulation mode 71 SOURce CURRent HIGH 90 SOURce CURRent LOW 91 SOURce CURRent LEVel 90 SOURce LIMit CURRent 91 SOURce LIMit VOLTage 91 SOURce MODE 92 SOURce VOLTage PROTection STATe 94 PROTection LEVel 94 SOURce VOLTage HIGH 93 SOURce VOLTage LOW 93 SOURce VOLTage ...

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