Keysight Technologies N3301A Istruzioni operative

Programming Guide

Keysight DC

Electronic Loads

Models N3300A, N3301A, N3302A, N3303A

N3304A, N3305A, N3306A, and N3307A

Safety Summary

The beginning of the electronic load User’s Guide has a Safety Summary page. Be sure you are familiar

with the information on this page before programming the electronic load from a controller.

Printing History

The edition and current revision of this manual are indicated below. Reprints of this manual containing

minor corrections and updates may have the same printing date. Revised editions are identified by a new

printing date. A revised edition incorporates all new or corrected material since the previous printing

date. Changes to the manual occurring between revisions are covered by change sheets shipped with

the manual.

This document contains proprietary information protected by copyright. All rights are reserved. No part of

this document may be photocopied, reproduced, or translated into another language without the prior

consent of Keysight Technologies. The information contained in this document is subject to change

without notice.

Edition 1 _________August 2000

Update1 _________November 2000

Edition 2 _________March 2002

Edition 3 _________November 2014

Table of Contents

Safety Summary 4

Printing History 4

Table of Contents 5

1 - GENERAL INFORMATION 11

About this Guide 11

Documentation Summary 11

External References 11

SCPI References 11

GPIB References 12

VXIplug&play Power Products Instrument Drivers 12

Supported Applications 12

System Requirements 12

Downloading and Installing the Driver 12

Accessing Online Help 13

2 - INTRODUCTION TO PROGRAMMING 15

GPIB Capabilities of the Electronic Load 15

GPIB Address 15

RS-232 Capabilities of the Electronic Load 16

RS-232 Data Format 16

RS-232 Flow Control 16

Introduction to SCPI 17

Conventions Used in This Guide 17

Types of SCPI Commands 17

Multiple Commands in a Message 18

Moving Among Subsystems 18

Including Common Commands 18

Using Queries 19

Types of SCPI Messages 19

The Message Unit 19

Headers 19

Query Indicator 20

Message Unit Separator 20

Root Specifier 20

Message Terminator 20

SCPI Data Formats 20

Numerical Data Formats 20

Suffixes and Multipliers 21

Response Data Types 21

SCPI Command Completion 21

Using Device Clear 22

RS-232 Troubleshooting 22

SCPI Conformance Information 23

SCPI Conformed Commands 23

Non-SCPI Commands 23

3 - PROGRAMMING EXAMPLES 25

Introduction 25

Programming the Input 25

Power-on Initialization 25

Enabling the Input 25

Input Voltage 25

Input Current 26

Setting the Triggered Voltage or Current Levels 26

Programming Transients 27

Continuous Transients 27

Pulse Transients 27

Toggled Transients 28

Programming Lists 28

Programming Lists for Multiple Channels 30

Triggering Transients and Lists 31

SCPI Triggering Nomenclature 31

List Trigger Model 31

Initiating List Triggers 32

Specifying a Trigger Delay 32

Generating Transient and List Triggers 32

Making Measurements 33

Voltage and Current Measurements 33

Triggering Measurements 35

SCPI Triggering Nomenclature 35

Measurement Trigger Model 35

Initiating the Measurement Trigger System 36

Generating Measurement Triggers 36

Controlling Measurement Samples 37

Varying the Sampling Rate 37

Measurement Delay 37

Multiple Measurements 37

Synchronizing Transients and Measurements 38

Measuring Triggered Transients or Lists 38

Measuring Dwell-Paced Lists 39

Programming the Status Registers 40

Power-On Conditions 43

Channel Status Group 43

Channel Summary Group 43

Questionable Status Group 43

Standard Event Status Group 43

Operation Status Group 44

Status Byte Register 44

Determining the Cause of a Service Interrupt 45

Servicing Standard Event Status and Questionable Status Events 45

Programming Examples 46

CC Mode Example 46

CV Mode Example 46

CR Mode Example 47

Continuous Transient Operation Example 47

Pulsed Transient Operation Example 48

Synchronous Toggled Transient Operation Example 48

Battery Testing Example 49

Power Supply Testing Example 51

C++ Programming Example 52

4 - LANGUAGE DICTIONARY 55

Introduction 55

Subsystem Commands 55

Common Commands 56

Programming Parameters 56

Calibration Commands 57

CALibrate:DATA 57

CALibrate:IMON:LEVel 57

CALibrate:IPR:LEVel 57

CALibrate:LEVel 57

CALibrate:PASSword 58

CALibrate:SAVE 58

CALibrate:STATe 58

Channel Commands 59

CHANnel INSTrument 59

Input Commands 60

[SOURce:]INPut [SOURce:]OUTPut 60

[SOURce:]INPut:PROTection:CLEar [SOURce:]OUTput:PROTection:CLEar 60

[SOURce:]INPut:SHORt [SOURce:]OUTPut:SHORt 60

[SOURce:]CURRent 61

[SOURce:]CURRent:MODE 61

[SOURce:]CURRent:PROTection 61

[SOURce:]CURRent:PROTection:DELay 62

[SOURce:]CURRent:PROTection:STATe 62

[SOURce:]CURRent:RANGe 62

[SOURce:]CURRent:SLEW 63

[SOURce:]CURRent:SLEW:NEGative 63

[SOURce:]CURRent:SLEW:POSitive 63

[SOURce:]CURRent:TLEVel 64

[SOURce:]CURRent:TRIGgered 64

[SOURce:]FUNCtion [SOURce:]MODE 64

[SOURce:]FUNCtion:MODE 65

[SOURce:]RESistance 65

[SOURce:]RESistance:MODE 65

[SOURce:]RESistance:RANGe 66

[SOURce:]RESistance:SLEW 66

[SOURce:]RESistance:SLEW:NEGative 66

[SOURce:]RESistance:SLEW:POSitive 67

[SOURce:]RESistance:TLEVel 67

[SOURce:]RESistance:TRIGgered 67

[SOURce:]VOLTage 68

[SOURce:]VOLTage:MODE 68

[SOURce:]VOLTage:RANGe 68

[SOURce:]VOLTage:SLEW 69

[SOURce:]VOLTage:SLEW:NEGative 69

[SOURce:]VOLTage:SLEW:POSitive 70

[SOURce:]VOLTage:TLEVel 70

[SOURce:]VOLTage:TRIGgered 70

Measurement Commands 71

ABORt 71

MEASure:ARRay:CURRent? FETCh:ARRay:CURRent? 71

MEASure:ARRay:POWer? FETCh:ARRay:POWer? 71

MEASure:ARRay:VOLTage? FETCh:ARRay:VOLTage? 72

MEASure:CURRent? FETCh:CURRent? 72

MEASure:CURRent:ACDC? FETCh:CURRent:ACDC? 72

MEASure:CURRent:MAXimum? FETCh:CURRent:MAXimum? 72

MEASure:CURRent:MINimum? FETCh:CURRent:MINimum? 73

MEASure:POWer? FETCh:POWer? 73

MEASure:POWer:MAXimum? FETCh:POWer:MAXimum? 73

MEASure:POWer:MINimum? FETCh:POWer:MINimum? 73

MEASure:VOLTage? FETCh:VOLTage? 74

MEASure:VOLTage:ACDC? FETCh:VOLTage:ACDC? 74

MEASure:VOLTage:MAXimum? FETCh:VOLTage:MAXimum? 74

MEASure:VOLTage:MINimum? FETCh:VOLTage:MINimum? 74

SENSe:CURRent:RANGe 75

SENSe:SWEep:POINts 75

SENSe:SWEep:OFFSet 75

SENSe:SWEep:TINTerval 76

SENSe:WINDow 76

SENSe:VOLTage:RANGe 76

Port Commands 77

PORT0 77

PORT1 77

List Commands 78

[SOURce:]LIST:COUNt 78

[SOURce:]LIST:CURRent [SOURce:]LIST:CURRent:POINts? 78

[SOURce:]LIST:CURRent:RANGe [SOURce:]LIST:CURRent:RANGe:POINts? 79

[SOURce:]LIST:CURRent:SLEW [SOURce:]LIST:CURRent:SLEW:POINts? 79

[SOURce:]LIST:CURRent:SLEW:NEGative 80

[SOURce:]LIST:CURRent:SLEW:POSitive 80

[SOURce:]LIST:CURRent:TLEVel [SOURce:]LIST:CURRent:TLEVel:POINts? 80

[SOURce:]LIST:FUNCtion [SOURce:]LIST:MODE [SOURce:]LIST:FUNCtion:POINTs? 81

[SOURce:]LIST:DWELl [SOURce:]LIST:DWELl:POINts? 81

[SOURce:]LIST:RESistance [SOURce:]LIST:RESistance:POINts? 82

[SOURce:]LIST:RESistance:RANGe [SOURce:]LIST:RESistance:RANGe:POINts? 82

[SOURce:]LIST:RESistance:SLEW [SOURce:]LIST:RESistance:SLEW:POINts? 83

[SOURce:]LIST:RESistance:SLEW:NEGative 83

[SOURce:]LIST:RESistance:SLEW:POSitive 83

[SOURce:]LIST:RESistance:TLEVel [SOURce:]LIST:RESistance:TLEVel:POINTs? 84

[SOURce:]LIST:STEP 84

[SOURce:]LIST:TRANsient [SOURce:]LIST:TRANsient:POINts? 84

[SOURce:]LIST:TRANsient:DCYCle [SOURce:]LIST:TRANsient:DCYCle:POINts? 85

[SOURce:]LIST:TRANsient:FREQuency [SOURce:]LIST:TRANsient:FREQuency:POINts? 85

[SOURce:]LIST:TRANsient:MODE [SOURce:]LIST:TRANsient:MODE:POINts? 85

[SOURce:]LIST:TRANsient:TWIDth [SOURce:]LIST:TRANsient:TWIDth:POINts? 86

[SOURce:]LIST:VOLTage [SOURce:]LIST:VOLTage:POINts? 86

[SOURce:]LIST:VOLTage:RANGe [SOURce:]LIST:VOLTage:RANGe:POINTs? 86

[SOURce:]LIST:VOLTage:SLEW [SOURce:]LIST:VOLTage:SLEW:POINts? 87

[SOURce:]LIST:VOLTage:SLEW:NEGative 87

[SOURce:]LIST:VOLTage:SLEW:POSitive 88

[SOURce:]LIST:VOLTage:TLEVel [SOURce:]LIST:VOLTage:TLEVel:POINts? 88

Transient Commands 89

[SOURce:]TRANsient 89

[SOURce:]TRANsient:DCYCle 89

[SOURce:]TRANsient:FREQuency 89

[SOURce:]TRANsient:MODE 90

[SOURce:]TRANsient:LMODE 90

[SOURce:]TRANsient:TWIDth 90

Status Commands 91

Bit Configuration of Channel Status Registers 91

STATus:CHANnel? 91

STATus:CHANnel:CONDition? 91

STATus:CHANnel:ENABle 91

STATus:CSUM? 92

STATus:CSUMmary:ENABle 92

Bit Configuration of Operation Status Registers 92

STATus:OPERation? 92

STATus:OPERation:CONDition? 92

STATus:OPERation:ENABle 93

STATus:OPERation:NTRansition STATus:OPERation:PTRansition 93

Bit Configuration of Questionable Status Registers 94

STATus:QUEStionable? 94

STATus:QUEStionable:CONDition? 94

STATus:QUEStionable:ENABle 94

System Commands 95

SYSTem:ERRor? 95

SYSTem:LOCal 95

SYSTem:REMote 95

SYSTem:RWLock 95

SYSTem:VERSion? 95

Trigger Commands 96

ABORt 96

INITiate:SEQuence INITiate:NAME 96

INITiate:SEQuence2 INITiate:NAME 96

INITiate:CONTinuous:SEQuence INITiate:CONTinuous:NAME 97

TRIGger 97

TRIGger:DELay 97

TRIGger:SEQuence2:COUNt 98

TRIGger:SOURce 98

TRIGger:TIMer 98

Common Commands 99

*CLS 99

*ESE 99

Bit Configuration of Standard Event Status Enable Register 100

*ESR? 100

*IDN? 100

*OPC 100

*OPT? 101

*PSC 101

*RCL 101

*RDT? 102

*RST 102

*SAV 103

*SRE 103

*STB? 103

Bit Configuration of Status Byte Register 104

*TRG 104

*TST? 104

*WAI 104

A - SCPI COMMAND TREE 105

Command Syntax 105

B - ERROR MESSAGES 109

Error Number List 109

C - COMPARING N3300A ELECTRONIC LOADS WITH EARLIER MODELS 113

Introduction 113

INDEX 117

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