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TDI-Dynaload Division

XBL Series Electronic Loads

Operation & Programming Manual

Model Number

XBL/RBL

488

400

600

4000

D

Family Type

Communication Interface

Max Volts

Max Amps Max Watts

Letter

RBL= Air Cooled

IEEE488 unless SDL

50-1000

Various

400-6000

Current

Interrupt

WCL=Water Cooled Master

RS232 special order

50-1000

Various

400-6000

WCS=Water Cooled Slave

No control functions

50-1000

Various

400-6000

XBL=Digital Processing

Ethernet models after( 2006)

50-1000

Various

400-6000

SDL=Special Dynaload

Various configurations

50-1000

Various

400-6000

Modified

DLP= Dyna Load Pulse

Original Pulsed loads

DLVP=Variable Pulse

2nd Generation Pulsed Load

MCL=Multi Channel Load

Various Modules

50-600

Various

175 & 350

SYS

52

400

00120

P

SYSTEM

Rack Height in inches

Max Voltage

Coolant Purge

Total Watts(all units)

System Numbering Method Example

Rack Systems Designators

Understanding Your Model Number

Dynaloads Model Numbering System

Each part of the model number describes the capabilities of the unit

Example

The Dynaload modes of operation are described in the sections that follow and are thoroughly
detailed in

2Operating Instructions

Modes of Operation

The Dynaload is a precision instrument that simulates DC loads to test power supplies,

generators, servo systems, batteries and similar DC sources.

The XBL Series provides five basic modes of operation: Constant Current, Constant Resistance,

Constant Voltage, Constant Power and Pulse Mode. Complete control is available through the
full feature front panel, IEEE-488 bus, RS232, or Ethernet interface. A 0-10V analog
programming input is standard in constant current mode. The connections for RS 232, Ethernet,
or IEEE-488 and analog programming are located at the rear of the unit. Refer to through and
the five modes of operation explanations that follow.

Constant Current Mode

Referring to , the Dynaload will sink the set current regardless of the input voltage.

404078 , Rev.P2

Page 7

Figure 1: Constant Current Mode

402825-02-01.CDR

V

Load

Current

Current Setting

Input Voltage

I

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...
5
6
7
8
9
...
»

Summary of Contents for XBL 400

Page 1: ...naload Division XBL Series Electronic Loads Operation Programming Manual XBL Series Electronic Loads Operation Programming Manual TDI Dynaload Division Document Number 404078 Revision P2 404078 Rev P2 Page 1 ...

Page 2: ...equency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications Operation of this equipment in a residential area may cause harmful interference in which case the user will be required to correct the interference at their expense Trademarks Dynaload is a registered trademark of Transistor Devices Inc Ordering Information The ord...

Page 3: ...C Input 14 Current Interrupt Circuit Option 15 The Terminal Block and Terminal Block Connections 16 Recommended Operating Procedure 23 Operating Mode Guidelines 24 CI Constant Current Mode Basic Mode 24 CR Constant Resistance Mode Basic Mode 24 CV Constant Voltage Mode Basic Mode 25 CP Constant Power Mode Basic Mode 25 Full Scale Range Switching 25 Master Slave Parallel Operation 25 Short Circuit ...

Page 4: ... 70 GPRCLS Close General Purpose Relay 70 GPROPN Open General Purpose Relay 70 Status and Event Registers Status Structure 141 Glossary 143 Setting Up Ethernet Communications 158 Chapter 4 Appendix A List of Commands 161 Appendix B List of Queries 161 Appendix C Outline Drawings by Model 162 Figures Figure 1 Constant Current Mode 8 Figure 2 Constant Resistance Mode 9 Figure 3 Constant Voltage Mode...

Page 5: ...Rating Reference Table 22 Table E Major and Minor Fault Indicators 27 Table F Menu Commands 28 Table G Troubleshooting Fault Conditions and Indicators 36 Table H Troubleshooting Symptoms Possible Causes Explanations and Corrective Actions 37 Table I Bus Subset Capabilities 42 Table J Numerical Data Formats 43 Table K Numerical Data Units 45 Table L Power on Defaults 46 Equations Equation 1 Establi...

Page 6: ...tts in a single unit Units available include 800 Watt 8 inches W x 5 25 inches H x 22 inches D 2000 Watt 19 inches W x 5 25 inches H x 22 inches D 4000 Watt 19 inches W x 8 75 inches H x 22 inches D 6000 Watt 19 inches W x 10 5 inches H x 22 inches D Variable speed fans minimize fan noise standard on 2000W 4000 and 6000W only Operation below 0 5 volts at 1000 Amps On 50V 1000A units only Five mode...

Page 7: ...odel Numbering System Each part of the model number describes the capabilities of the unit Example The Dynaload modes of operation are described in the sections that follow and are thoroughly detailed in 2Operating Instructions Modes of Operation The Dynaload is a precision instrument that simulates DC loads to test power supplies generators servo systems batteries and similar DC sources The XBL S...

Page 8: ...sink the current required at its present input voltage to maintain the desired power level Pulse Mode This mode can be used with any of the three preceding modes Pulse mode is an enhancement that allows for operation between two predefined levels of current resistance voltage or power Page 8 404078 Revision P2 Figure 4 Constant Power Mode Figure 2 Constant Resistance Mode Figure 3 Constant Voltage...

Page 9: ...___________________________________________________________________ Table A Front Panel Features and Controls Item Number Description 1 AC Power Power On Power Off 2 Remote Local Select 3 DC Load On Off 4 Pulse Mode Controls RUN Pulse Mode On Off PEAK Sets peak amplitude of pulse FREQ Sets frequency of pulse DUTY CYCLE Sets duty cycle of pulse TLO Time LOW Sets duration of the low portion of pulse...

Page 10: ... Programming Mode Select SLAVE Slave Mode Selection SHORT Short Circuit toggle Latching action use with caution 17 Fault And Warning Status Indicators SYS System Fault Indicator UV Undervoltage Fault Indicator OV Overvoltage Fault Indicator TEMP Over Temperature Fault Indicator I LIM Current Limit Warning Indicator P LIM Power Limit Warning Indicator SAT Saturation Warning Indicator AC Line Voltag...

Page 11: ...ould never be covered or removed from the equipment WARNING Ensure that all AC and DC power for both the load the test source and any peripheral equipment is OFF prior to making any connections to the load Also ensure that the proper AC input range is selected before attaching the line cord and that the load selected is properly rated for the voltage and current generated by the DC source and that...

Page 12: ...nel of the unit Typical rear panel connections are detailed in Figure 6 The rear panel also has terminal block connections that are detailed later in this section as is an optional equipment wiring diagram using the terminal block connections Figure 6 Typical Rear Panel Connections Page 12 Of 162 ...

Page 13: ...8 Connector This is used for computer control and uses a standard IEEE 488 cable refer to Ethernet Communications Connector Located on all XBL models It is an RJ45 connector AC Input This connection provides the Dynaload with its operating power and its safety ground Power requirements are user selectable as follows Note on 800W units only 120 VAC and 240 VAC are available 100V 1 8A 120V 1 5A 200V...

Page 14: ... the BNC connector For a smooth transition of current from Set Point Amps to zero Amps a method of closure with no contact bounce should be used An NPN type transistor open collector can be used The positive center pin of the BNC connector is 15 VDC or less and shorting the BNC connector will draw less than 10 milli amps When the Current Interrupt circuit is activated two things happen all the FET...

Page 15: ...Additional slave units would be connected from Master Out of the first slave to Slave In on the next unit This configuration can be extended to multiple units Refer to the Master Slave Parallel Operation section later in this chapter The Terminal Block and Terminal Block Connections and the sections that follow to better understand the wiring connections that can be made to the terminal block Figu...

Page 16: ... 8 Terminal Block Connections CAUTION External Instruments connected to the terminal block TB should be isolated not earth grounded All input or output TB connections should be references to S Page 16 Of 162 ...

Page 17: ...ferenced to S This is the remote control input signal 0 to 10 volts input yields a 0 to full scale loading in the constant current mode and range When a signal or waveform is presented at this input it will be translated directly into your current level and waveform The signal source should be referenced to S EN Remote Enable The E terminal is the remote DC enable Connection between E and S must b...

Page 18: ... connections to E The Dynaload is supplied with two 2 metal straps between the S E terminals and between the S E terminals on the terminal strip These are to facilitate voltage sense wiring when sensing locally The S and S external sense leads can be connected anywhere between the power source and the Dynaload It is recommended that the voltage sense wires are connected to the power source termina...

Page 19: ...Note All XBL s have a factory installed jumper across E and S to enable Load On A normally closed emergency cut off switch can be connected at this point XBL Series 404078 Rev P2 odt Page 19 Of 162 Caution External Instruments connected to the TB terminal block should be isolated not earth grounded All input or output TB connections should be referenced to S Emergency Power Off EPO control is norm...

Page 20: ...nals This number will be affected by the current level Wire has resistance and will lose voltage as the current is increased A general rule of thumb is to size your wire at 500 circular mils per amp of load current This will allow a maximum of 10 degrees centigrade rise in temperature of the wire The resistance of wire is approximately 107 ohms per 1000 feet for 100 circular mils of cross sectiona...

Page 21: ...0 167 5 0 245 150 204 125 200 125 212 0 00 283 175 237 146 225 150 266 0 000 328 200 275 175 336 0 0000 380 225 325 225 424 0 1 National Electrical Code 2 Underwriters Laboratory 3 American Insurance Association XBL Series 404078 Rev P2 odt Page 21 Of 162 ...

Page 22: ...wer meters should come on and fan should run 7 Step through the Menu settings to be sure the set points are appropriate to the application Check to see that the voltage and current ranges selected are appropriate 8 Turn on the power source to be tested 9 Press the DC ON button or send the LOAD ON command via the IEEE controller This will close the relays and connect the source to the power dissipa...

Page 23: ... resistance mode regulates the load current in direct proportion to the load voltage There are eighteen different resistance ranges available These are derived from the nine different voltage and current combinations available and the two different resistance modes HIGH and LOW The actual resistance values expressed in Ohms are outlined in the specification section of this manual In general select...

Page 24: ...provides selection of one of three full scale input voltage ranges and one of three full scale input current ranges The full scale voltage and current ranges may be selected in any combination resulting in nine operational ranges per unit These are selectable over the bus as ranges 1 thru 9 refers to IEEE 488 syntax section The selectable ranges provide increased resolution For example Setting 10 ...

Page 25: ...ogrammable Under Voltage UV remains active while the Short Circuit feature is used These will disconnect the load from the device under test if they are not turned off or set to zero first This feature is activated when the Short button on the front panel is depressed It can also be remotely programmed using the SHORT ON OFF command Since a short circuit could cause damage to the load or the devic...

Page 26: ...user to resume front panel control of the load when operating through the RS 232 Ethernet or IEEE 488 bus Pressing this button will enable all the front panel controls NOTE A controlling computer program should be stopped before local control is used When in local mode the XBL will only respond to queries on the RS 232 Ethernet or IEEE 488 bus Fault Indicators The Dynaload fault indications includ...

Page 27: ...eshold The Programmable Under Voltage can be set to generate a fault when the Voltage drops below its defined Voltage The Voltage level can be programmed through menu item 18 or the through the RS 232 Ethernet IEEE 488 interface using the UV command This will open the load connect relay and generate a UV fault Once the input voltage has dropped below the Programmable Under Voltage threshold causin...

Page 28: ...RRENT LIMIT 24 POWER LIMIT 25 IWV 26 RESET 27 SELF TEST 1 MODEL The XBL model number is displayed on the LCD display 2 SERIAL The XBL serial number is displayed on the LCD display 3 VERSION The XBL software version number is displayed on the LCD display 4 BUILD DATE The XBL manufacture date is displayed on the LCD display 5 WARRANTY DATE The XBL warranty date is displayed on the LCD display 6 MAC ...

Page 29: ... the current TCP port of the unit This value may be changed via the keypad and the ENTER key The factory default setting is 9760 14 IEEE ADDRESS The LCD displays the current IEEE 488 bus address of the unit This value may be changed via the keypad and the ENTER key The factory default setting is 10 15 IEEE CMD TERM The LCD displays the current IEEE command terminator of the unit This value may be ...

Page 30: ... limit setting This value may be changed via the keypad and the ENTER key The factory default setting is the actual model voltage 23 CURRENT LIMIT The LCD displays the current limit setting This value may be changed via the keypad and the ENTER key The factory default setting is the actual model current 24 POWER LIMIT The LCD displays the current power limit setting This value may be changed via t...

Page 31: ...LO functions should be used The Time HI function will set the time that the pulse remains at the peak setting The Time LOfunction will set the time that the pulse remains at the baseline setting 4 Use the PEAK button to set the amplitude of the pulse 5 Use the RUN button to initiate pulse loading Press RUN a second time to turn pulse off It is recommended to monitor the current sample output with ...

Page 32: ...eet of wire total 50A 50 microseconds rise time 1 volt drop with 1 microhenry The inductive drop cannot exceed the difference between the source voltage and the minimum compliance EXAMPLE Referring to Equation 1 that follows to test a 10V source with a 100A pulse and assuming a 3 Volt minimum compliance the maximum cable length would be Equation 1 Establishing Maximum Cable Length In the example a...

Page 33: ...le the rise time of the current waveform will be much slower than expected Since this roll off in response is dependent on the number of FET s used in the power tray and the actual current pulse desired it is very difficult to provide exact equations to define the effect NOTE It is suggested to select a load that will provide the desired pulse level while operating at current levels greater than 1...

Page 34: ... 4 truss head The internal fan cools the unit by drawing in air from the front and exhausting it out the back Keeping the airflow inlet and outlet screens open and free of dust and other airflow inhibitors will help keep your Dynaload unit s operating temperature within the intended design limits We suggest that the loads be cleaned and free of dust build up at least once a year The load can opera...

Page 35: ...a UV condition TEMP Temperature Fault LED Lights red when one or more internal power modules overheat This will disconnect the load and reset once the ubit is allowed to cool it will reset I LIM Current Limit Fault LED Lights yellow when the loads current reaches the current limit setpoint menu item number 1 This is a minor fault P LIM Power Limit Fault LED Lights yellow when the loads power reach...

Page 36: ...position 200 volts AC Highest switch position 240 volts AC Select the AC voltage you are using Load powers up but the AC fault LED lights and the DC LOAD LED will not come on AC line voltage may be too low The load detects low incoming AC voltage 88 or less and turns the load off for self protection Measure the AC input and correct or change the AC switch position as above Load powers up and the S...

Page 37: ...setpoint by pressing the menu button until item 22 Voltage Limit appears This voltage limit can set for zero to 105 of the voltage range selected Unit Loads Off by itself with no fault lights The voltage applied to the loads input has exceeded the maximum voltage of the load for its present range and then reduced to within range as with a voltage spike The loads voltage detection circuit is very f...

Page 38: ... yellow and will not draw current There is little or no DC voltage applied to the loads input The SAT LED indicates the loads inability to draw the proper set point current due to lack of input voltage Measure the input voltage it must exceed the compliance voltage specification for your model With the unit in a Load On condition the SYS and SAT LEDs light yellow The load is set for CI 0 and has n...

Page 39: ...ulse mode Press the RUN button to clear the unit to the constant current mode In the constant power mode the voltage sense leads may be improperly wired If the voltage sense leads read zero applied voltage the load will try to draw to draw infinite current to achieve the proper power Units are shipped with internal voltage sense lead jumpers installed on the rear terminal strip These can be remove...

Page 40: ...d negative wires should be twisted to reduce the cable inductance Also connecting a capacitor across the loads inputs can squelch the oscillation Load does not communicate over the IEEE bus IEEE address of the load is not matched with the computer program being used to communicate Change the IEEE address using menu item 14 to match the computer program being used IEEE interconnect cable maybe loos...

Page 41: ... Safety Instructions section before proceeding Note that all commands operate identically via the RS232 or Ethernet interfaces IEEE 488 Bus Subsets The programmable Dynaload has the IEEE 488 bus subset capabilities indicated in Table I Table I Bus Subset Capabilities Subset Categor y Response Acceptor Handshake AH1 Full capability the load can generate the handshake for receiving data Source Hands...

Page 42: ...em computer The terminator must be established as both a carriage return and a line feed or as a carriage return only by following the IEEE 488 bus configuration procedure Numerical Data Formats The programmable Dynaload accepts the two numerical data formats listed below see Table J These are described in more detail in IEEE Standard 488 2 Standard Digital Interface for Programmable Instruments T...

Page 43: ...ps Volt AV2 Second resistance value A V mode Amps Volt Amps Volt AVH Constant resistance setpoint High A V Amps Volt Amps Volt AVL Constant resistance setpoint Low A V Amps Volt Amps Volt CI Constant current setpoint Amperes Amps CP Constant power setpoint Watts Watts CR Constant resistance setpoint Low Ω ohms Ohms CRH Constant resistance setpoint High Ω ohms Ohms CRL Constant resistance setpoint ...

Page 44: ... µs S2 Second slew Sets fall time only Microseconds µs SR Slew rate Sets rise and fall times Microseconds µs T1 First duration Microseconds µs T2 Second duration Microseconds µs V Load voltage Volts Volts V1 First voltage value Volts Volts V2 Second voltage value Volts Volts XM PLUS XM External modulation constant current offset Amperes Amps ...

Page 45: ...I2 Second current value 0 IL Current limit 100 of full scale LOAD Relay Open MODE Mode Constant current P1 First power value 0 P2 Second power value 0 PL Power limit 100 of full scale R1 First resistance value R2 Second resistance value RNG Range High Volts High Amps S1 First slew rate 100 microseconds 0 FS S2 Second slew rate 100 microseconds FS 0 SHORT Short OFF STATXT Status text ON factory def...

Page 46: ...s requests the present value of the Constant Current program LOAD This requests the state of the load s input relay XBL Command and Queries Listed Alphabetically APV NR2 Set Amps Volt pulse base level AV1 NR2 Set Amps Volt pulse base level AV1 Read Amps Volt pulse base setting AV2 NR2 Set Amps Volt pulse peak level AV2 Read Amps Volt pulse peak setting AV Read Amps Volt setting AVH NR2 Set Amps Vo...

Page 47: ... IEEE 488 Address IEEEADR Read the IEEE 488 Address IEEEOFF Turn off the IEEE 488 bus IEEETRM NR1 Sets IEEE 488 Command Terminator IEEETRM Read the IEEE 488 Command Terminator IL NR2 Set Current Limit IL Read Current Limit Setting IP adr Set the Ethernet IP Address IP Read the Ethernet IP Address IST Execute self test and read result IWV NR2 Set IWV current KEYOFF Keyboard sounds on KEYON Keyboard...

Page 48: ... Set Constant Resistance pulse base level R1 Read Constant Resistance pulse base setting R2 NR2 Set Constant Resistance pulse peak level R2 Read Constant Resistance pulse peak setting RNG NR1 Set Voltage Current Range RNG Read Voltage Current Range status RNGS Read Voltage Current Range setting RS232 param Set RS232 parameters RS232 Read RS232 parameters RS232OFF Turns the RS232 interface off RST ...

Page 49: ...PIB errors T1 NR2 Set pulse base duration T1 Read pulse base duration T2 NR2 Set pulse peak duration T2 Read pulse peak duration TEXT OFF Set numeric query responses TEXT ON Set descriptive query responses TEXT Returns GPIB errors UV NR2 Set programmable Under Voltage UV Read programmable Under Voltage setting V Read Voltage V1 NR2 Set Constant Voltage pulse base level V1 Read Constant Voltage pul...

Page 50: ...ors XM ON Set External Modulation on XM OFF Set External Modulation off XM PLUS NR2 Set External Modulation with programmed offset XM NR2 Alternate Syntax for XM PLUS NR2 XM Read External Modulation setting Page 50 Of 162 ...

Page 51: ... form RETURNED PARAMETERS Indicates the response format s to the query form of the command Where the TEXT ON and TEXT OFF modes responses differ both will be indicated IDN Identification Description This query returns the load s identification string Command Syntax NONE Example N A Query Syntax IDN Returned Parameters Model XBL voltage current power type RST Reset Description This command resets t...

Page 52: ...turned Parameters TEXT ON NR2 amps v TEXT OFF NR2 AV2 Amps Volt Pulsing Peak Level Description This command is used to set the peak level relative to the base level when pulse loading in the Amps Volt mode NOTE AVL or AVH must have been previously set Command Syntax AV2 NR2 Example AV2 50 0 This will set the peak level to 50 Amps per Volt above the base level Therefore if the base level setting is...

Page 53: ... load in Amps Volt High mode at 25 Amps per Volt Query Syntax AV Returned Parameters TEXT ON NR2 amps v TEXT OFF NR2 AVH Amps Volt High Description This command places the load into Amps Volt High mode at the specified level Command Syntax AVH NR2 Example AVH 25 0 This will place the load in Amps Volt High mode at 25 Amps per Volt Query Syntax AV Returned Parameters TEXT ON NR2 amps v TEXT OFF NR2...

Page 54: ...es the load into Amps Volt Low mode at the specified level Command Syntax AVL NR2 Example AVL 2 5 This will place the load in Amps Volt Low mode at 2 5 Amps per Volt Query Syntax AV Returned Parameters TEXT ON NR2 amps v TEXT OFF NR2 Page 54 Of 162 ...

Page 55: ... factory build date Command Syntax BLDDTE Example BLDDTE This will return the XBL factory build date Query Syntax BLDDTE Returned Parameters TEXT ON MMDDYYYY or MM DD YYYY TEXT OFF MMDDYYYY or MM DD YYYY XBL Series 404078 Rev P2 odt Page 55 Of 162 ...

Page 56: ... This command returns the XBL factory build location Command Syntax BLDLOC Example BLDLOC This will return the XBL factory build location Query Syntax BLDLOC Returned Parameters TEXT ON HACK TEXT OFF HACK Page 56 Of 162 ...

Page 57: ...s command places the load into Constant Current mode at the specified level Command Syntax CI NR2 Example CI 10 5 This will place the load in Constant Current at 10 5 Amps Query Syntax CI Returned Parameters TEXT ON NR2 amps TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 57 Of 162 ...

Page 58: ...s unless its respective bit in the Latch LAT register is set Furthermore if its respective bit in the Shutdown SDN register is set the load will shutdown The returned value will be between 0 and 255 and is the sum of the individual bit weights A CLS command will clear this register as well The individual bits are defined below B it Weigh t Description Text On Response Message 7 128 Under Voltage U...

Page 59: ...Example N A Query Syntax CON Returned Parameters TEXT ON and STATXT ON text response string TEXT OFF or STATXT OFF NR1 XBL Series 404078 Rev P2 odt Page 59 Of 162 ...

Page 60: ...and places the load into Constant Power mode at the specified level Command Syntax CP NR2 Example CP 20 0 This will place the load in Constant Power at 20 Amps Query Syntax CP Returned Parameters TEXT ON NR2 watts TEXT OFF NR2 Page 60 Of 162 ...

Page 61: ...CR See query form of CRH and CRL that immediately follows XBL Series 404078 Rev P2 odt Page 61 Of 162 ...

Page 62: ...mmand places the load into Constant Resistance Low mode at the specified level Command Syntax CR NR2 Example CR 1 5 This will place the load in Constant Resistance Low mode at 1 5 Ohms Query Syntax CR Returned Parameters TEXT ON NR2 ohms TEXT OFF NR2 Page 62 Of 162 ...

Page 63: ...o Constant Resistance High mode at the specified level Command Syntax CRH NR2 Example CRH 100 0 This will place the load in Constant Resistance High mode at 100 Ohms Query Syntax CR Returned Parameters TEXT ON NR2 ohms TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 63 Of 162 ...

Page 64: ...ces the load into Constant Resistance Low mode at the specified level Command Syntax CRL NR2 Example CRL 1 5 This will place the load in Constant Resistance Low mode at 1 5 Ohms Query Syntax CR Returned Parameters TEXT ON NR2 ohms TEXT OFF NR2 Page 64 Of 162 ...

Page 65: ...ad into Constant Voltage mode at the specified level Command Syntax CV NR2 Example CV 100 0 This will place the load in Constant Voltage at 100 Volts Query Syntax CV Returned Parameters TEXT ON NR2 volts TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 65 Of 162 ...

Page 66: ...e Pulsing Base Time T1 and Pulsing Peak Time T2 accordingly based upon the defined frequency Command Syntax DU NR2 Example DU 40 0 This will set the duty cycle to 40 If the frequency was 100Hz meaning a pulse period of 10 000µs T2 will be set to 4000µs and T1 will be set to 6000µs Query Syntax DU Returned Parameters TEXT ON NR2 TEXT OFF NR2 Page 66 Of 162 ...

Page 67: ...n this register is a number between 0 and 255 and is the sum of the individual bit weights as defined below Bit Weight Description Text On Response Message 128 6 64 5 32 Command not allowed NOT ALLOWED 4 16 Command too long TOO LONG 3 8 Numeric Error NUMERIC 2 4 1 2 Out of Range RANGE 0 1 Unrecognized Command UNRECOGNIZED The text response will return a string containing the Text On Response Messa...

Page 68: ...sed Timer Reset Description This command resets the XBL elapsed timer to zero Command Syntax ET RST Example ET RST This will reset the elapsed timer to zero Query Syntax ET Returned Parameters NONE Page 68 Of 162 ...

Page 69: ...g Peak Time T2 will be adjusted accordingly based upon the defined duty cycle Command Syntax FQ NR2 Example FQ 1000 0 This will set the frequency to 1000Hz If the duty cycle was 30 T2 will be set to 300µs and T1 will be set to 700µs Query Syntax FQ Returned Parameters TEXT ON NR2 Hz TEXT OFF NR2 GPRCLS Close General Purpose Relay Description This command is used to close the general purpose relay ...

Page 70: ...Command Syntax GPROPN NR1 Example GPROPN 0 This will close the general purpose relay driver number 0 Query Syntax NONE Returned Parameters NONE Page 70 Of 162 ...

Page 71: ...used to set the Ethernet interface gateway Command Syntax GWY adr Example GWY 192 168 1 1 This will set the Ethernet interface gateway to 192 168 1 1 Query Syntax GWY Returned Parameters TEXT ON adr TEXT OFF adr XBL Series 404078 Rev P2 odt Page 71 Of 162 ...

Page 72: ...urrent Description This query returns the actual current reading in Amps passing through the load Command Syntax NONE Example N A Query Syntax I Returned Parameters TEXT ON NR2 amps TEXT OFF NR2 Page 72 Of 162 ...

Page 73: ...o set the base level when pulse loading in the Constant Current mode Command Syntax I1 NR2 Example I1 10 5 This will set the base Constant Current level to 10 5 Amps Query Syntax I1 Returned Parameters TEXT ON NR2 amps TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 73 Of 162 ...

Page 74: ...base level when pulse loading in the Constant Current mode Command Syntax I2 NR2 Example I2 25 0 This will set the peak level to 25 Amps above the base level Therefore if the base level setting is 10 5A the peaks will be 35 5 Amps Query Syntax I2 Returned Parameters TEXT ON NR2 amps TEXT OFF NR2 Page 74 Of 162 ...

Page 75: ...on string that includes its rated voltage current power and type in the format Model XBL rated voltage rated current rated power type Command Syntax ID Example ID Query Syntax ID Returned Parameters Model XBL voltage current power type XBL Series 404078 Rev P2 odt Page 75 Of 162 ...

Page 76: ...cription This command sets the XBL IEEE 488 bus address Command Syntax IEEEADR NR1 Example IEEEADR 9 This will set the XBL IEEE 488 bus address to 9 Query Syntax IEEEADR Returned Parameters TEXT ON NR1 TEXT OFF NR1 Page 76 Of 162 ...

Page 77: ...f the XBL IEEE 488 bus interface The interface will remain in the off state until the XBL is restarted Command Syntax IEEEOFF Example IEEEOFF This will turn off the IEEE 488 interface Query Syntax NONE Returned Parameters NONE XBL Series 404078 Rev P2 odt Page 77 Of 162 ...

Page 78: ...ther use a carriage return CR or a carriage return and line feed CR LF Command Syntax IEEETRM NR1 Example IEEETRM 1 This will set the XBL IEEE 488 command terminator to CRLF IEEETRM 0 This will set the XBL IEEE 488 command terminator to CR Query Syntax IEEETRM Returned Parameters TEXT ON NR1 TEXT OFF NR1 Page 78 Of 162 ...

Page 79: ... put the load in independent mode In independent mode the load operates as a stand alone unit Command Syntax INDEP Example INDEP This will place the unit in independent mode Query Syntax NONE Returned Parameters N A XBL Series 404078 Rev P2 odt Page 79 Of 162 ...

Page 80: ...urrent Limit set point The Current Limit circuit will not allow the load current to exceed this level Command Syntax IL NR2 Example IL 50 0 This will set the Current Limit to 50 Volts Query Syntax IL Returned Parameters TEXT ON NR2 amps TEXT OFF NR2 Page 80 Of 162 ...

Page 81: ...d is used to set the Ethernet address Command Syntax IP adr Example IP 192 168 1 10 This will set the Ethernet interface address to 192 168 1 1 Query Syntax IP Returned Parameters TEXT ON adr TEXT OFF adr XBL Series 404078 Rev P2 odt Page 81 Of 162 ...

Page 82: ...scription This command performs the XBL internal self test and returns the result Command Syntax IST Example IST Query Syntax IST Returned Parameters TEXT ON SELF TEST PASSED SELF TEST FAILED TEXT OFF 0 non zero Page 82 Of 162 ...

Page 83: ...ge at the load exceeds the XBL s compliance voltage usually 5 VDC This greatly reduces the overshoot current usually experienced when turning on a power supply into a preset constant current or hot load This command functions in single shot mode in that the command must be repeated once the load has been triggered by the supply voltage Command Syntax IWV NR2 Example IWV 10 5 This will place the lo...

Page 84: ...ff keyboard sounds Description This command turns off the XBL keyboard sounds Command Syntax KEYOFF Example KEYOFF This will turn off the XBL keyboard sounds Query Syntax NONE Returned Parameters NONE Page 84 Of 162 ...

Page 85: ...unds Description This command turns on the XBL keyboard sounds Command Syntax KEYON Example KEYON This will turn on the XBL keyboard sounds Query Syntax NONE Returned Parameters NONE XBL Series 404078 Rev P2 odt Page 85 Of 162 ...

Page 86: ...5 32 Over Temperature OT 0 4 16 Minor Fault 0 3 8 Over Current OC 0 2 4 Over Power OP 0 1 2 Saturation SAT 0 0 1 Major Fault MOD FLT 0 The query form of this command will either return a numeric or a text response depending on the TEXT ON OFF and STATXT ON OFF settings The text response will return a string containing the Text On Response Message as listed above for each bit that is set These will...

Page 87: ...the device under test Command Syntax LOAD ON LOAD OFF Example LOAD ON This will close the load connect relay and start loading the device under test at the programmed settings LOAD OFF This will open the load connect relay and stop loading Query Syntax LOAD Returned Parameters TEXT ON TEXT OFF LOAD ON LOAD OFF 1 meaning On 0 meaning Off XBL Series 404078 Rev P2 odt Page 87 Of 162 ...

Page 88: ...locked manual operation through the load s front panel is inhibited Command Syntax LOCK ON LOCK OFF Example LOCK ON This will lock the front panel LOCK OFF This will unlock the front panel Query Syntax LOCK Returned Parameters Text On Text Off LOCK ON LOCK OFF 1 meaning On 0 meaning Off Page 88 Of 162 ...

Page 89: ...ess Description This command is used to retrieve the Ethernet MAC address Command Syntax MAC string Example MAC Query Syntax IP Returned Parameters TEXT ON string TEXT OFF string XBL Series 404078 Rev P2 odt Page 89 Of 162 ...

Page 90: ...er mode In master mode the load will control the operation of the slave The unit will indicate master mode by displaying XBL Master on the LCD Command Syntax MASTER Example MASTER This will place the unit in master mode Query Syntax NONE Returned Parameters N A Page 90 Of 162 ...

Page 91: ...escription This command is used to retrieve the maximum current measured by the XBL Command Syntax MAXCUR Example MAXCUR Query Syntax MAXCUR Returned Parameters TEXT ON NR2 amps TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 91 Of 162 ...

Page 92: ...wer Measured Description This command is used to retrieve the maximum power measured by the XBL Command Syntax MAXPWR Example MAXPWR Query Syntax MAXPWR Returned Parameters TEXT ON NR2 watts TEXT OFF NR2 Page 92 Of 162 ...

Page 93: ...escription This command is used to retrieve the maximum voltage measured by the XBL Command Syntax MAXVOL Example MAXVOL Query Syntax MAXVOL Returned Parameters TEXT ON NR2 volts TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 93 Of 162 ...

Page 94: ...MDL Alternate form of ID query Page 94 Of 162 ...

Page 95: ...sage 6 64 Slave Mode SLAVE 5 32 Not Used 4 16 Not Used 3 8 Constant Resistance High CR HIGH 2 4 Constant Resistance Low CR LOW 1 2 Constant Power CP 0 1 Constant Voltage CV Default Constant Current CI The text response will return a string containing the Text On Response Message as listed above for each bit that is set These will be separated by commas Command Syntax NONE Example N A Query Syntax ...

Page 96: ...Command Syntax MR NR1 Example MR 3 This will recall the setup stored in memory location 3 Query Syntax NONE Returned Parameters N A Page 96 Of 162 ...

Page 97: ...he specified memory location The memory location number must be a value from 1 through 6 Command Syntax MS NR1 Example MS 3 This will store the load s current setup in memory location 3 Query Syntax NONE Returned Parameters N A XBL Series 404078 Rev P2 odt Page 97 Of 162 ...

Page 98: ... command turns off the XBL Ethernet interface The interface will remain in the off state until the XBL is restarted Command Syntax NETOFF Example NETOFF This will turn off the Ethernet interface Query Syntax NONE Returned Parameters NONE Page 98 Of 162 ...

Page 99: ...d is used to set the Ethernet net mask Command Syntax NM adr Example NM 255 255 0 0 This will set the Ethernet interface net mask to 255 255 0 0 Query Syntax NM Returned Parameters TEXT ON adr TEXT OFF adr XBL Series 404078 Rev P2 odt Page 99 Of 162 ...

Page 100: ...query returns the computed load power in Watts This value is computed from the load s current I and Voltage V readings Command Syntax NONE Example N A Query Syntax P Returned Parameters TEXT ON NR2 watts TEXT OFF NR2 Page 100 Of 162 ...

Page 101: ... set the base level when pulse loading in the Constant Power mode Command Syntax P1 NR2 Example P1 25 3 This will set the base Constant Power level to 25 3 Watts Query Syntax P1 Returned Parameters TEXT ON NR2 watts TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 101 Of 162 ...

Page 102: ...ase level when pulse loading in the Constant Power mode Command Syntax P2 NR2 Example P2 20 0 This will set the peak level to 20 Watts above the base level Therefore if the base level setting is 25 3 the peaks will be 45 3 Watts Query Syntax P2 Returned Parameters TEXT ON NR2 watts TEXT OFF NR2 Page 102 Of 162 ...

Page 103: ... point The Power Limit circuit will not allow the load power to exceed this level Command Syntax PL NR2 Example PL 250 0 This will set the Power Limit to 250 Watts Query Syntax PL Returned Parameters TEXT ON NR2 watts TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 103 Of 162 ...

Page 104: ...ommand is used to set the Ethernet port for TCP communications Command Syntax PORT NR1 Example PORT 9760 This will set the Ethernet port for TCP communications to 9760 Query Syntax PORT Returned Parameters TEXT ON NR1 TEXT OFF NR1 Page 104 Of 162 ...

Page 105: ...vel when pulse loading in the Constant Resistance mode NOTE CRH or CRL must have been previously set Command Syntax R1 NR2 Example R1 10 0 This will set the base resistance to 10 Ohms Query Syntax R1 Returned Parameters TEXT ON NR2 ohms TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 105 Of 162 ...

Page 106: ...ance will be applied in parallel to the base resistance NOTE CRH or CRL must have been previously set Command Syntax R2 NR2 Example R2 1 1 This will set the peak level to 1 1 Ohms that will be applied in parallel with the base level Therefore if the base level setting is 10 Ohms the peaks will be 0 99 Ohm Query Syntax R2 Returned Parameters TEXT ON NR2 ohms TEXT OFF NR2 Page 106 Of 162 ...

Page 107: ... actual operating range This can be different than the range setting when the load is connected in the master slave arrangement The range setting can be read back by the RNGS query The text response to a query will be a string specifying the Voltage and current ranges The numeric response will be the range number Command Syntax RNG NR1 Example RNG 2 This will set the load to the medium Voltage and...

Page 108: ...RNGS Alternate form of RNG Query Page 108 Of 162 ...

Page 109: ...RS232 Example RS232 9600N81 This will set the XBL RS 232 communications to 9600 bps no parity bit 8 bits 1 stop bit Only the following parameters are valid 2400N81 4800N81 9600N81 19200N81 Related Query RS232 Returned Parameters TEXT ON string TEXT OFF string XBL Series 404078 Rev P2 odt Page 109 Of 162 ...

Page 110: ... command turns off the XBL RS232 interface The interface will remain in the off state until the XBL is restarted Command Syntax RS232OFF Example RS232OFF This will turn off the RS 232 interface Query Syntax NONE Returned Parameters NONE Page 110 Of 162 ...

Page 111: ... command Description This command resets the load to its factory default power on settings Command Syntax RST Example RST This will reset the load to its factory default power on settings Related Query NONE Returned Parameters N A XBL Series 404078 Rev P2 odt Page 111 Of 162 ...

Page 112: ...is recommended that the SR command be used to set both limits simultaneously If the rising limit is not the same as the falling limit the load set point will have small offset errors Command Syntax S1 NR2 Example S1 500 0 Sets the rise time to 500 microseconds for a zero to full scale transition within the selected range Query Syntax S1 Returned Parameters TEXT ON NR2 us zero to full TEXT OFF NR2 ...

Page 113: ... that the SR command be used to set both limits simultaneously If the rising limit is not the same as the falling limit the load set point will have small offset errors Command Syntax S2 NR2 Example S2 500 0 Sets the rise time to 500 microseconds for a full scale to zero transition within the selected range Query Syntax S2 Returned Parameters TEXT ON NR2 us full to zero TEXT OFF NR2 XBL Series 404...

Page 114: ... Temperature OT 1 4 16 Minor Fault Minor Fault 0 3 8 Over Current OC 1 2 4 Over Power OP 1 1 2 Saturation SAT 1 0 1 Major Fault MAJOR FAULT 1 The query form of this command will either return a numeric or a text response depending on the TEXT ON OFF and STATXT ON OFF settings The text response will return a string containing the Text On Response Message as listed above for each bit that is set The...

Page 115: ... 3 8 Over Current OC 0 2 4 Over Power OP 0 1 2 Saturation SAT 0 0 1 Minor Fault MINOR FAULT 0 The query form of this command will either return a numeric or a text response depending on the TEXT ON OFF and STATXT ON OFF settings The text response will return a string containing the Text On Response Message as listed in the table above for each bit that is set These will be separated by commas If n...

Page 116: ...L Serial Number Description This command is used to retrieve the XBL serial number Command Syntax SERNO string Example SERNO Query Syntax SERNO Returned Parameters TEXT ON string TEXT OFF string Page 116 Of 162 ...

Page 117: ...l times can be programmed between 10µs and 4000µs using the SR S1 or S2 commands NOTE Maximum slew rate is highly dependent on factors including power source source to load wiring and operating mode Command Syntax SF Example SF Sets the slew rate limiter to the fast range Query Syntax NONE Returned Parameters NONE XBL Series 404078 Rev P2 odt Page 117 Of 162 ...

Page 118: ... with power sources which do not limit their current to values within the load s ratings could result in damage to the load or device under test FIRE or EXPLOSION Command Syntax SHORT ON SHORT OFF Example SHORT ON This will apply a simulated short circuit at the load s input terminals SHORT OFF This will remove the simulated short circuit from the load s input terminals Query Syntax SHORT Returned...

Page 119: ...be controlled by the master The unit will exit slave mode and become independent if no master unit is found withing the first 10 seconds of operation Command Syntax SLAVE Example SLAVE This will place the unit in slave mode Query Syntax NONE Returned Parameters N A XBL Series 404078 Rev P2 odt Page 119 Of 162 ...

Page 120: ...SN Alternate form of SERNO query Page 120 Of 162 ...

Page 121: ...f this command returns the Rising Slew Rate S1 The rising and falling slew rates should be identical as long as the S1 and S2 commands are not used Command Syntax SR NR2 Example SR 200 Sets the rise or fall time for a full scale transition to 200 microseconds Query Syntax SR Returned Parameters TEXT ON NR2 us TEXT OFF NR2 XBL Series 404078 Rev P2 odt Page 121 Of 162 ...

Page 122: ...ROR 3 8 Minor Fault MINOR FAULT 2 4 Major Fault MAJOR FAULT 1 2 System Minor Fault SYSTEM MINOR 0 1 System Major Fault SYSTEM MAJOR The query form of this command will either return a numeric or a text response depending on the TEXT ON OFF and STATXT ON OFF settings The text response will return a string containing the Text On Response Message as listed above for each bit that is set These will be...

Page 123: ...ent on factors including power source source to load wiring and operating mode Command Syntax SS Example SS Sets the slew rate limiter to the slow range Query Syntax NONE Returned Parameters NONE XBL Series 404078 Rev P2 odt Page 123 Of 162 ...

Page 124: ...0 and 255 and is the sum of the individual bit weights as defined below Bit Weight Description Text On Response Message 7 128 Reserved RESERVED 6 64 Change In Status STA CHANGE 5 32 Single Shot Complete SINGLE SHOT COMPLETE 4 16 Command Error COMMAND ERROR 3 8 Minor Fault MINOR FAULT 2 4 Major Fault MAJOR FAULT 1 2 System Minor Fault SYSTEM MINOR 0 1 System Major Fault SYSTEM MAJOR The text respon...

Page 125: ...2048 Over Current Alarm 11 1024 AC Fail Alarm 10 512 Over Temp Alarm 9 256 Under Voltage Alarm 8 128 Over Voltage Alarm 7 64 Minor Fault Alarm 6 32 Major Fault Alarm 5 16 Not Used 4 8 Not Used 3 4 Not Used 2 2 Not Used 1 1 Not Used 0 0 Not Used Command Syntax NONE Example STATUS Query Syntax STATUS Returned Parameters TEXT ON string TEXT OFF string XBL Series 404078 Rev P2 odt Page 125 Of 162 ...

Page 126: ... ON OFF applies to all queries Both the STATXT and TEXT must be on for descriptive responses to the above queries Unlike most other commands the load will retain its STATXT setting even after powering it down Command Syntax STATXT ON STATXT OFF Example STATXT ON This will enable descriptive responses to the CON ERR LAT SBE SDN SRQ and STA queries provided Text Mode is also on STATXT OFF This will ...

Page 127: ...same forms This is done to provide compatibility with other model types Command Syntax SW SW OFF Example SW This will turn on Square Wave pulsing until explicitly turned off SW OFF This will turn off Square Wave pulsing Query Syntax SW Returned Parameters Text On Text Off SW ON SW OFF 1 meaning On 0 meaning Off XBL Series 404078 Rev P2 odt Page 127 Of 162 ...

Page 128: ...ll also set the Duty Cycle DU and Frequency FQ accordingly based upon the Pulsing Peak Time T2 Command Syntax T1 NR1 Example T1 2000 This will set the pulse base time to 2000µs If T2 were 3000µs the duty cycle DU would be 60 and frequency would be 200Hz Query Syntax T1 Returned Parameters TEXT ON NR1 us TEXT OFF NR1 Page 128 Of 162 ...

Page 129: ... Duty Cycle DU and Frequency FQ accordingly based upon the Pulsing Base Time T1 Command Syntax T2 NR1 Example T2 4000 This will set the pulse base time to 4000µs If T1 were 6000µs the duty cycle DU would be 40 and frequency would be 100Hz Query Syntax T2 Returned Parameters TEXT ON NR1 us TEXT OFF NR1 XBL Series 404078 Rev P2 odt Page 129 Of 162 ...

Page 130: ...responses that are available on many queries Command Syntax TEXT ON TEXT OFF Example TEXT ON This will turn on the descriptive responses TEXT OFF This will turn off the descriptive responses Query Syntax TEXT Returned Parameters Text On TEXT ON Text Off 0 meaning Off Page 130 Of 162 ...

Page 131: ...d Setting the Programmable Under Voltage to zero will disable it The programmable Under Voltage operation is not affected by the UV bit in the Shutdown SDN register Command Syntax UV NR2 Example UV 9 6 This will set the Programmable Under Voltage to 9 6 Volts The load will shutdown if the Voltage on its input terminals drops below this threshold UV 0 This will disable the Programmable Under Voltag...

Page 132: ...ot used this voltage may differ from the output voltage of the device This is due to the Voltage drops in the conductors between the load and the device under test Therefore remote voltage sensing is recommended when high currents are involved Command Syntax NONE Example N A Query Syntax V Returned Parameters TEXT ON NR2 volts TEXT OFF NR2 Page 132 Of 162 ...

Page 133: ...tion This query returns the load s firmware version as a variable length alphanumeric string Command Syntax NONE Example N A Query Syntax VER Returned Parameters version string XBL Series 404078 Rev P2 odt Page 133 Of 162 ...

Page 134: ... Limit trip level The load will disconnect from the device under test if the Voltage exceeds this level Command Syntax VL NR2 Example VL 16 5 This will set the Voltage Limit to 16 5 Volts Query Syntax VL Returned Parameters TEXT ON NR2 volts TEXT OFF NR2 Page 134 Of 162 ...

Page 135: ...ty expiration date Command Syntax WARRDTE Example WARRDTE This will return the XBL factory warranty expiration date Query Syntax WARRDTE Returned Parameters TEXT ON MMDDYYYY or MM DD YYYY TEXT OFF MMDDYYYY or MM DD YYYY XBL Series 404078 Rev P2 odt Page 135 Of 162 ...

Page 136: ... all the same forms This is done to provide compatibility with other model types Command Syntax WF WF OFF Example WF This will turn on Square Wave pulsing until explicitly turned off WF OFF This will turn off Square Wave pulsing Query Syntax WF Returned Parameters Text On Text Off SW ON SW OFF 1 meaning On 0 meaning Off Page 136 Of 162 ...

Page 137: ...only the XM ON OFF status The digitally programmed current offset issued with a XM PLUS or XM command can be read back using either a CI or I1 query Command Syntax XM ON XM OFF XM PLUS NR2 or XM NR2 Example XM ON This will place the load in Remote Programming mode XM PLUS 45 0 or XM 45 0 When in Constant Current mode this will place the load into Remote Programming and apply a digitally programmed...

Page 138: ... Refer to the CON ERR LAT SBE SDN SRQ and STA in the Detail Language Elements section of Chapter 3 for additional information about the specific registers Condition Latch Shutdown and Summary Bit Enable Registers Bit Mnemonic Interpretation 7 UV Indicates an under voltage condition 6 OV Indicates an over voltage condition 5 OT Indicates an over temperature condition 4 GPIB ERROR Indicates a GPIB b...

Page 139: ...1 Range A numerical value either too low or too high has been received 0 Unrecognized A command has been received that is not in the loads syntax XBL Series 404078 Rev P2 odt Page 139 Of 162 ...

Page 140: ... Command Error Single Shot Complete Change in Status Reserved System Status Register STA OR OR UV OV OT Reserved OC OP SAT MOD System Major System Minor Major Fault Minor Fault Command Error Single Shot Complete Change in Status Reserved 7 6 5 4 3 2 1 0 UV OV OT GPIB OC OP SAT MOD 7 6 5 4 3 2 1 0 0 0 0 0 0 0 0 0 7 6 5 4 3 2 1 0 UV 1 1 GPIB OC OP SAT MOD Fault Shutdown Mask controls which bits in C...

Page 141: ... power during a complete cycle Analog System in which data is represented as a continuously varying voltage Also spelled Analogue ANSI American National Standards Institute ASCII American Standard Code for Information Interchange Standardized method of encoding alphanumeric characters into 7 or 8 binary bits Apparent Power Power attained in an AC circuit as a product of effective voltage and curre...

Page 142: ...used to stabilize the output voltage of a source Bus In Electricity A bus bar In Computer Science A parallel circuit that connects the major components of a computer allowing the transfer of electric impulses from one connected component to any other Byte A sequence of adjacent bits operated on as a unit by a computer C Capacitance Ability of a capacitor to store an electrical charge The basic uni...

Page 143: ...ath for current flow Coil Conductor wound in a series of turns Collector One of three terminals of a transistor Continuity The state that occurs when a complete path for current is present Current Passage of electrons measured in amps milliamps and microamps D D A Conversion Digital To Analog Conversion Translating discrete data into continuously varying signals DC Direct Current Current that flow...

Page 144: ...e motion of electrons due to potential difference between two points voltage Emitter One of three terminals of a transistor F Farad Basic measuring unit of capacitance Feedback Portion of the output signal of an amplifier that is connected back to the input of the same amplifier Firmware Computer software usually permanently stored in a computer Fuse Protective device in the current path that melt...

Page 145: ...nnection Henry Basic unit of inductance Hertz Number of cycles per second for any periodic waveform measured in cycles per second One hertz is equal to one cycle per second I Impedance Impedance is similar to resistance but applies to alternating current circuits and is measured in ohms represented by the symbol Z Input The part of a circuit that accepts a signal for processing Insulator Material ...

Page 146: ... to maintain a constant voltage when the regulator input voltage varies Load Component or piece of equipment connected to a source and draws current from a source is a load on that source Load Current Current drawn from a source by a load Load Impedance Sum of reactance and resistance in a load Load Regulation Ability of a voltage regulator to maintain a constant output voltage under varying load ...

Page 147: ... A digital multimeter is often referred to as a DVM Multiplexer Device that sends messages or signals simultaneously using a multiplex system Mutual Inductance The ability of one inductor s lines of force to link with another inductor MUX Multiplexer N Noise Unwanted electromagnetic radiation within an electrical system Normally Closed When the contacts of a switch or relay are closed or connected...

Page 148: ...ube corresponding to oscillations of voltage and current Output Part of a circuit where the processed signal is available Output Impedance Impedance measured at the output terminals of a device without a load connected Output Power Amount of power that a component circuit or system can deliver to a load Overload Condition that occurs when the load is greater than a system can handle Overload Prote...

Page 149: ...ust be connected in correct polarity to function and or prevent destruction Power The amount of energy converted by a circuit or component in a specific unit of time normally seconds Measured in watts Power Factor The ratio of actual power to apparent power Power Loss The ratio of power absorbed to power delivered Power Supply Electrical equipment used to deliver either voltage either AC or DC PNP...

Page 150: ...ssive component with a known resistance Rheostat Variable resistor used to control current S Schematic Structural or procedural diagram of an electrical or electronic circuit with the components represented by symbols Also see Circuit Diagram Semiconductor Any of various solid crystalline substances such as silicon having electrical conductivity greater than insulators but less than good conductor...

Page 151: ...e voltage on a power line A surge is similar to a spike but is of longer duration Step Down Transformer A transformer in which the output AC voltage is less than the input AC voltage Step Up Transformer A transformer in which the output AC voltage is greater than the input AC voltage Supply Voltage The voltage that is provided by a power source Surge A sudden change usually an increase in the volt...

Page 152: ...int at which an effect is produced or detected Transducer Device that receives energy in one form and supplies an output in another form Transformer An inductor with two or more windings Transformer Coupling The coupling of two circuits using mutual inductance provided by a transformer Transistor Three leaded device Collector Base Emitter used for amplifying or switching Trigger A pulse used to st...

Page 153: ...e Volt ampere A unit of electric power equal to the product of one volt and one ampere equivalent to one watt Voltage Electromotive force or potential difference usually expressed in volts Voltage Drop Due to current flow the voltage or difference in potential developed across a component Voltage Feedback Voltage feedback where a portion of the output voltage is fed back to the input of an amplifi...

Page 154: ... transmission Zener Diode Silicon semiconductor device used as a voltage regulator because of its ability to maintain an almost constant voltage with a wide range of currents Setting Up Ethernet Communications 1 The Ethernet communications module ECM is provided pre configured as follows a IP address 192 168 1 10 b Net Mask 255 255 0 0 c Gateway 192 168 1 1 d Port number for TCP communications 976...

Page 155: ...y is also available at this address on port 23 TCP Communications The XBL will accept commands sent via TCP The destination address is defined via the IP command 192 168 1 10 default and PORT command 9760 default XBL Series 404078 Rev P2 odt Page 155 Of 162 ...

Page 156: ... NR2 RNG NR1 V1 NR2 CRH NR2 RST V2 NR2 CRL NR2 S1 NR2 VL NR2 CV NR2 S2 NR2 WF NR1 DU NR2 SBE NR1 WF OFF FQ NR2 SF XM I1 NR2 SHORT OFF XM PLUS NR2 I2 NR2 SHORT ON XM NR2 IL NR2 SLAVE LAT NR2 SR NR2 Appendix B List of Queries AV1 LOCK T1 AV2 MODE T2 AV P1 TEXT CI P2 UV CON P V1 CP PL V2 CR R1 V CV R2 VER DU RNG VL ERR RNGS WF FQ S2 I1 SBE Page 156 Of 162 ...

Page 157: ...Appendix C Outline Drawings by Model XBL Series 404078 Rev P2 odt Page 157 Of 162 402825 02 16 CDR Outline Drawing of RBL 800 Watt ...

Page 158: ...Page 158 Of 162 2000W MODEL RBL488 600 1 00 2000 RANDOLP H N J 07869 SERIAL NO XXXX XXXX 2 EMERY AVENUE 1 00A INPUT RATING 600V CAUTION CAUTION 402825 02 17 CDR Outline Drawing of RBL 2000 Watt ...

Page 159: ...odt Page 159 Of 162 CAUTION CAUTION 2 E M E R Y AVEN U E R ANDO LP H N J 0 7869 MO D E L R BL4 8 8 4 0 0 6 0 0 4000 S ERI AL NO X X XX XX XX I N P UT R AT I N G 400V 600A 4000W 402825 02 18 CDR Outline Drawing of RBL 4000 Watt ...

Page 160: ...Page 160 Of 162 ...

Page 161: ...mmunications 158 Fault Indicators 27 Front Panel Features 9 Full Scale 25 Fuse Replacement 15 Glossary 143 IEEE 488 14 IEEE 488 Programming 33 Input 20 Introduction 5 Language Elements 52 Line Los 21 Line Terminators 43 Local Control 27 Location Airflow Maintenance 35 Manual Adjust 27 Manual Operation 31 Master Slave 16 Memory Recall 26 Menu Commands 28 Model Number 7 Modes of Operation 7 Online A...

Page 162: ...Rear Panel Description 13 Remote or External Programming 18 Remote Programming 27 Short Circuit 26 Terminal Block 16 Trademarks 2 Transconductance 34 Troubleshooting 36 Voltage Sense 19 Page 162 Of 162 ...

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