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HP 53A, E1351A Multimeter, Command and, Parameter Opcodes

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MultimeterCommand andParameter Opcodes

Table B-1 contains the multimeter command and parameter opcodes. The opcodes used to query the parameter settings are also included.

Table B-1. Multimeter Command and Parameter Opcodes

Multimeter	Command	Parameter	Value		Query		Query
Parameter	Opcode	Opcode			Opcode		Response


Measurement	04	00	DCV		05		parameter
Function		01	ACV				opcode
		02	(4-wire) OHMS
Range	02	00	125 mV / 256 Ω		03		parameter
		01	1V / 2.048 kΩ				opcode
		02	8V / 16.384 kΩ
		03	64V / 131 kΩ
		04	300V / 1.048 MΩ
		05	Autorange

Aperture Time	00	00	267 ms		01		parameter
		01	16.7 ms				opcode
		02	320 ms
		03	20 ms
		04	2.5 ms
		05	100 μs
		06	10 μs

Autozero	08	00	On		09		parameter
		01	Off				opcode
		02	Once

Offset	36	00	Off		37		parameter
Compensation		01	On				opcode

Trigger Source	06	00	Immediate		29		parameter
		01	External				opcode
		02	Hold
		03 - 0A	TTL trigger lines
			0 - 7

Trigger Count	39	<upper byte>	1 - 16,777,215		33		24-bit unsigned
		<middle byte>	(1),(3)				number
		<lower byte>					(2)

Trigger Delay	23	<upper byte>	0 - 16.777215s		31		24-bit unsigned
		<middle byte>	(1)				number
		<lower byte>					(2)

Voltmeter	40	8-bit binary number	0 - 7		41		8-bit binary number
Complete Signal		(7)	(TTL trigger lines)
Destination

Sample Count	38	<upper byte>	1 - 16,777,215		32		24-bit unsigned
		<middle byte>	(1),(4)				number
		<lower byte>					(2)

Sample Source	07	00	Immediate		30		parameter
		01	Timer				opcode
		02	Software
		03	Control Register

Sample Period	10	<upper byte>	76μs - 65.534ms		11		16-bit unsigned
(5)		<lower byte>	(1)				number
							(2)

Software Sample	35	—-	—-	—-		...
(6)

Trigger Arm	12	00	Un-armed		—-		—-
		01	Armed

Trigger Immediate	13	—-	—-	—-		...

Send Error	15	—-	—-	—-		—-

Table B-1 Continued on Next Page

96 HP E1351A/53A Register-Based Programming

Appendix B

Contents

Contents Page Page Page Page Page July 20 Page Reader Comment Sheet BUSINESS REPLY MAIL HEWLETT-PACKARDCOMPANY Page Getting Started with the HP E1351A/53A Using This Chapter FET Multiplexer Module Description Multimeter Connection Points Analog Bus Connector Page Switchbox and Scanning Voltmeter Configurations Digital Bus and Triggering Programming Language Initial Operation Configuring the HP E1351A/53A FET Multiplexer Modules Warnings and Cautions Multiplexer Card Numbers Setting the Address Switch Selecting the Interrupt Line Number Setting the Card ID Switch Connecting User Inputs Adding Signal Conditioning Components/Current Shunts Connecting Field Wiring Wiring a Terminal Module Connecting Multimeters and Signal Generators Analog Bus and Digital Bus Cables Page Using the HP E1351A/53A FET Multiplexer Modules Selecting Channels Page Multiplexer Commands Connecting Switchbox Channels to Direct Terminals Comments Connecting Switchbox Channels to Tree Terminals for Making Measurements Page Scanning a Range of Switchbox Channels Page Example: Making 2-WireOhms Measurements by Scanning Example: Making 4-WireOhms Measurements by Scanning Downloading a Scan List Scanning a Switchbox without a Downloaded Scan List Scanning a Switchbox with a Downloaded Scan List Scanning Voltmeter Configuration with HP E1326B Measuring Temperature Using Thermocouples (HP E1353A Module only) Comments Understanding the HP E1351A/53A FET Multiplexer Modules Commands for Scanning Switchbox Channels Using Scanning Trigger Sources Page Page Example: Scanning with External Instruments Using "Trig Out" and "Event In" Ports Using Stand-Alone Multimeter and Digital Bus Triggering Using Scanning Voltmeter Configuration and Digital Bus Triggering Using the Scan Complete Bit HP E1351A/53A 16-ChannelFET Multiplexer Command Reference Command Types Common Command Format SCPI Command Format Command Separator Abbreviated Commands Implied Commands Note SCPI Command Reference ABORt ARM DISPlay :MONitor:CARD :MONitor[:STATe] Monitoring Switchbox Channels: Selecting the Module to be Monitored: Monitor Mode on an HP 1301 Mainframe Display: Example Enabling the Monitor Mode INITiate Example Enabling Continuous Scans :CONTinuous Example Query Continuous Scanning State Starting the Scanning Cycle: ∙Stopping Scanning Cycles: See the ABORt command OUTPut [ROUTe:] Example Closing Multiplexer Channels CLOSe ∙ Query is Software Readback: The [ROUTe:]CLOSe? command Example Query Multiplexer Channel Closure OPEN Opening Multiplexer Channels OPEN ∙ Query is Software Readback: The [ROUTe:]OPEN? command Query Multiplexer Channel Open State SCAN ∙Scanning Operation: With a valid channel list Stopping Scan: Example Scanning Using External Instruments SCAN:MODE Order of Command Execution: Mode Description: Selecting the 4-Wire SCAN:MODE Example Query Scan Mode SCAN:PORT port Example Selecting the ABUS Port SCAN:PORT Example Query Scan Port SETTling[:TIME] Digital Bus Handshaking: Example Setting 16 μsec SETTling TIME SETTling[:TIME] Example Set and Query the SETTling TIME STATus :OPERation:ENABle SYSTem :CDEScription :CTYPe :ERRor TRIGger :SOURce ∙ Enabling the Trigger Source: The TRIGger:SOURce command Using the Using Digital Bus Trigger: Using External Trigger Inputs: Example Scanning Using External Triggers Scanning Using Bus Triggers :SOURce Example Query Trigger Source IEEE 488.2 Common Commands Command Quick Reference Page HP E1351A/53A FET Multiplexer Specifications Page HP E1351A/53A Register-Based Programming About This Appendix Register Addressing Page The Base Address A16 Address Space Outside the Command Module or Mainframe Register Descriptions Page Register Bit Descriptions Manufacturer ID Register Status/Control Register Scan Control Register Scan Channel Delay Register Scan Channel Configuration Register Configuration Bit (C1 - C0) Executing Commands OUTPut [ROUTe:] SYSTem TRIGger Register-BasedProgramming for Maximum Speed VLD A_D B_D decimal code: Page Multimeter Command and Parameter Opcodes Page Register-Based Programming Error Codes HP E1351A/53A FET Multiplexer Error Messages Page Index