1 Getting Started General information ... 1-2 Warranty information... 1-2 Contact information ... 1-2 Safety symbols and terms ... 1-2 Specifications ... 1-2 Inspection ... 1-3 Options and Accessories 1-3 Power Supply overview ... 1-4 Remote display option ... 1-6 Power-up ... 1-6 Line power connection ... 1-6 Fuse replacement ... 1-7 Power-up sequence ... 1-7 Display modes ... 1-8 Default settings ... 1-9 Setups — Save, Power-on, and Recall ... 1-10 Menu ... 1-11 Rules to navigate MENU ... 1-13 SCPI programming ... 1-13 2 Basic Power Supply Operation Test connections ... 2-2 Outputting voltage and current ... 2-3 Setting output voltage and current limit ... 2-3 Operate ... 2-8 SCPI programming — outputting voltage and current ... 2-8 Reading back V and I ... 2-11 Actual V and I display mode ... 2-11 Measurement configuration ... 2-11 SCPI programming — measure V and I, and DVM input ... 2-12 Independent voltage measurements (DVM) ... 2-13 DVM input display mode ... 2-13 Measurement configuration ... 2-13 SCPI programming — DVM... 2-13 Sink operation ... 2-14 Programming examples... 2-15 Outputting and reading back V and I... 2-15 DVM measurements ... 2-15 34Pulse Current Measurements Overview ... 3-2 Trigger level ... 3-3 Trigger delay ... 3-3 Integration times ... 3-3 Average readings count ... 3-3 Measurement configuration ... 3-4 Current range ... 3-4 Integration times ... 3-4 Average readings count ... 3-5 Trigger delay and trigger level ... 3-5 Pulse current display mode ... 3-5 Pulse current measurement procedure ... 3-6 Determining correct trigger level (pulse current) ... 3-6 SCPI programming ... 3-7 Pulse current digitization ... 3-9 Programming examples ... 3-10 Long Integration Measurements Overview ... 4-2 Integration time ... 4-3 Trigger edge ... 4-3 Trigger level ... 4-3 Pulse timeout ... 4-4 Measurement configuration ... 4-5 Current range ... 4-5 Integration time ... 4-5 Pulse timeout ... 4-6 Trigger edge and trigger level ... 4-6 Long integration display mode ... 4-7 Long integration measurement procedure ... 4-7 General notes ... 4-8 Determining correct trigger level (long integration) ... 4-8 SCPI programming ... 4-9 Programming example ... 4-11 567Relay Control Overview ... 5-2 Connections ... 5-4 Controlling the relay ... 5-5 SCPI programming ... 5-5 GPIB Operation Introduction ... 6-2 GPIB bus connections ... 6-2 Primary address ... 6-3 Output format ... 6-3 General bus commands ... 6-4 REN (remote enable) ... 6-4 IFC (interface clear) ... 6-4 LLO (local lockout) ... 6-5 GTL (go to local) ... 6-5 DCL (device clear) ... 6-5 SDC (selective device clear) ... 6-5 GET (group executive trigger) ... 6-5 SPE, SPD (serial polling) ... 6-5 Front panel aspects of GPIB operation ... 6-6 Remote indicator and LOCAL key ... 6-6 Error and status messages ... 6-6 Programming syntax ... 6-7 Command words ... 6-7 Program messages ... 6-10 Response messages ... 6-12 Message exchange protocol ... 6-12 Status Structure Overview ... 7-2 Status byte and SRQ ... 7-2 Status register sets ... 7-2 Queues ... 7-2 Clearing registers and queues ... 7-4 Programming and reading registers ... 7-5 Programming enable registers ... 7-5 Reading registers ... 7-5 Status byte and service request (SRQ) ... 7-6 Status byte register ... 7-7 Service request enable register ... 7-7 Serial polling and SRQ ... 7-8 Status byte and service request commands ... 7-9 Status register sets ... 7-10 Register bit descriptions ... 7-10 Condition registers ... 7-15 Event registers ... 7-15 Event enable registers ... 7-16 Programming example — program and read measurement event register ... 7-17 Queues ... 7-17 Output queue ... 7-17 Error queue ... 7-18 Common Commands Overview ... 8-2 *IDN? — identification query ... 8-3 *OPC — operation complete ... 8-3 *OPC? — operation complete query ... 8-3 *SAV <NRf> — save ... 8-4 *RCL <NRf> — recall ... 8-4 *RST — reset ... 8-4 *TRG — trigger ... 8-4 *TST? — self-test query ... 8-5 *WAI — wait-to-continue ... 8-5 Signal Oriented Measurement Commands Overview ... 9-2 :FETCh? ... 9-2 :FETCh:ARRay? ... 9-2 :READ? ... 9-3 :READ:ARRay? ... 9-3 :MEASure[:<function>]? ... 9-4 :MEASure:ARRay[:<function>]? ... 9-4 10 DISPlay, FORMat, and SYSTem DISPlay subsystem ... 10-2 :DISPlay:ENABle <b> ... 10-2 :DISPlay:TEXT:DATA <a> ... 10-2 :DISPlay:TEXT:STATe <b> ... 10-3 FORMat subsystem ... 10-4 FORMat[:DATA] <type> ... 10-4 FORMat:BORDer <name> ... 10-6 :SYSTem subsystem ... 10-7 :SYSTem:POSetup <name> ... 10-7 11ABCDSCPI Tables SCPI command subsystems reference tables ... 11-2 Specifications Error and Status Messages Emulation Commands HP 6632A Power Supply emulation commands ... C-2 Fluke PM2811 Power Supply emulation commands ... C-5 Emulation Commands Selecting the 488.1 protocol... D-2 Protocol differences... D-3

1 Performance Verification Introduction... 1-2 Verification test requirements ... 1-2 Environmental conditions ... 1-2 Warm-up period ... 1-2 Line power ... 1-3 Recommended test equipment ... 1-3 Resistor connections ... 1-3 Resistor considerations ... 1-4 Verification limits... 1-4 Example limits calculation... 1-4 Performing the verification test procedures ... 1-5 Test summary ... 1-5 Test considerations... 1-5 Instrument programming ... 1-5 Output voltage accuracy... 1-5 Voltage readback accuracy... 1-7 Compliance current accuracy... 1-7 Current readback accuracy... 1-9 5A range readback accuracy ... 1-9 Models 2303 and 2303B 5mA range readback accuracy... 1-10 Model 2303 PJ 500mA range readback accuracy ... 1-11 Digital voltmeter input accuracy... 1-13 2 Calibration Introduction... 2-2 Environmental conditions ... 2-2 Temperature and relative humidity ... 2-2 Warm-up period ... 2-2 Line power ... 2-2 Calibration considerations ... 2-2 Calibration cycle ... 2-3 Recommended calibration equipment... 2-3 Resistor connections ... 2-3 Resistor considerations ... 2-4 Front panel calibration ... 2-4 Model 2303 front panel calibration... 2-4 Model 2303 PJ front panel calibration ... 2-10 Remote calibration ... 2-14 Remote calibration commands... 2-14 Remote calibration display ... 2-15 Models 2303 and 2303B remote calibration procedure... 2-15 Model 2303 PJ remote calibration procedure... 2-18 Changing the calibration code ... 2-21 Changing the code from the front panel...2-21 Changing the code by remote...2-21 Resetting the calibration code ...2-22 Viewing calibration date and count ...2-22 Viewing date and count from the front panel ...2-22 Acquiring date and count by remote ...2-22 3 Disassembly Introduction ...3-2 Handling and cleaning...3-2 Handling PC boards ...3-2 Solder repairs...3-2 Static sensitive devices ...3-2 Assembly drawings ...3-3 Disassembly procedures ...3-3 Case cover removal ...3-3 Analog board removal ...3-4 Digital board removal...3-4 Front panel disassembly ...3-4 Removing mechanical components...3-5 Instrument re-assembly ...3-5 4 Replaceable Parts Introduction ...4-2 Ordering information...4-2 Factory service ...4-2 Parts lists and component layouts ...4-2 Models 2303 and 2303 PJ parts lists...4-3 Model 2303B parts lists...4-14 A Specifications Specifications ...A-2 Accuracy calculations...A-6 Output and compliance accuracy ...A-6 Readback accuracy ...A-6 Digital voltmeter input accuracy ...A-6 B Calibration Reference Introduction ...B-2 Command summary ...B-2 Miscellaneous commands ...B-3 Detecting calibration errors ...B-6 Reading the error queue ...B-6 Error summary...B-6 Status byte EAV (Error Available) bit ...B-6 Generating an SRQ on error ... B-7 Detecting calibration step completion ... B-7 Using the *OPC command... B-7 Using the *OPC? query ... B-7 Generating an SRQ on calibration complete ... B-8 C Calibration Programs Introduction... C-2 Computer hardware requirements... C-2 Software requirements ... C-2 Calibration equipment... C-2 General program instructions... C-3 Program C-1 Model 2303 2303B calibration program... C-4 Program C-2 Model 2303 PJ calibration program... C-6 D Instrument Control Introduction... D-2 Front panel control... D-2 Setting the display mode... D-2 Selecting the current range... D-2 Turning on the output... D-2 IEEE-bus control... D-3 Setting output values... D-3 Setting the reading mode ... D-3 Turning on the output... D-4 Requesting readings ... D-4 Basic control program... D-4 Program D-1 Basic control programming... D-4