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HP E1418A Channel Mode Register, Channel Relay Control Register, Mode:, Relay:

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Channel Mode Register

The Channel Mode Register reports or programs the voltage or current operating mode for each channel.

	Address	Bit	15	14	13	12	11	10	09	08	07	06	05	04	03	02	01	00

		READ	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch
	Base + 1A16	READ	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch
	Base + 1A16		16	15	14	13	12	11	10	09	08	07	06	05	04	03	02	01
		WRITE	16	15	14	13	12	11	10	09	08	07	06	05	04	03	02	01
		WRITE	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode	Mode

Note

Channel Relay Control Register

Ch XX Mode: Writing a one (1) to this field selects the voltage output mode for that channel. Writing a zero (0) to this field selects the current output mode for that channel.

The mode program jumpers on the terminal module override values written to this register. When the P/J jumper for a channel is set to jumper selectable, writing to this register has no effect.

Reading this register returns the channel mode. The channel mode is reported in this register for both VXIbus backplane programming and jumper programming on the terminal module.

Channels 09 through 16 will return ones (1) if the module is configured as an 8-channel device.

The Channel Relay Control Register programs and reports the state of each channel relay.

	Address	Bit	15	14	13	12	11	10	09	08	07	06	05	04	03	02	01	00

		READ	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch
	Base + 1C16	READ	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch	Ch
	Base + 1C16		16	15	14	13	12	11	10	09	08	07	06	05	04	03	02	01
		WRITE	16	15	14	13	12	11	10	09	08	07	06	05	04	03	02	01
		WRITE	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay	Relay

Ch XX Relay: Writing a one (1) to this field opens the channel relay. Writing a zero (0) to this field closes the channel relay. The write operation will complete before the relays change state. The relays take approximately 5 milliseconds to change state.

Reading this register returns a one (1) in each field if the channel relay is programmed open and a zero (0) if the channel relay is programmed closed.

Note Channels 09 through 16 will return ones (1) if the module is configured as an 8-channel device.

136 HP E1418A Register-Based Programming

Appendix B

Contents

Page Page Page Page Page Page Page Page November 6 Page Reader Comment Sheet BUSINESS REPLY MAIL HEWLETT-PACKARDCOMPANY Page Module Setup and Installation Page Ordering Options Field Kits Terminal Modules Page Page Page Note Installation in a Mainframe To Remove a Module: Screw-Type Terminal Module (Standard) (continued on next page) (continued from previous page) Page Page Option A3E Crimp-and-Insert Terminal Module Accessories Option A3H Option Page P/J Jumper P/J jumper V/I Jumper V/I jumper Notes Options A3E and A3H Terminals Voltage and Current Output Connections Options A3E and A3H Terminals Combining Channels Channels in Series MUST Channels in Parallel Connecting an External Trigger Source Using the CAL Output Terminals Device Driver Module Identification Programming Examples viPrintf viScanf dac Page Configuration Example Page Page Page Page I/O Error Checking SCPI Error Checking visa.h error_handler sys_error Page Page Page Page Page Page Page Page CAUTION NEVER Page HP E1418A SCPI Command Reference Command Separator Abbreviated and Short Commands Implied Commands Parameters Parameter Types Optional Parameters Commands ABORt Subsystem Syntax Parameters None Comments Related Commands: APPLyn:CURRent Equivalent Commands: ∙*RST Condition: APPLyn:VOLTage You should review Appendix D before using any of these commands CALibration:CONDition Returns: CALibration:CONFigure:RESistance CALibration:RESet Parameters ∙ None ∙Related Commands: CALibration:STORe CALibration:STORe ∙Related Commands: CALibration:RESet CALibration:TEST CALibration:VALue:RESistance CALibrationn:CONFigure:CURRent CALibrationn:CONFigure:VOLTage CALibrationn:VALue:CURRent CALibrationn:VALue:VOLTage Page DIAGnostic:CALibration:OUTPut[:MODE] path *RST State: DIAGnostic:CALibration:OUTPut[:MODE] Parameters Returns: string DIAGnostic:CONFigure DIAGnostic:OUTPut:ALL[:STATe] state ∙Related Commands: OUTPutn[:STATe] DIAGnostic:SOURcen:FUNCtion:MODE DIAGnostic:TRIGgered ∙Related Commands: TRIGger:SOURce INITiate INITiate[:IMMediate] OUTPut:TTLTrgn[:STATe] OUTPut:TTLTrgn[:STATe] OUTPutn[:STATe] OUTPutn[:STATe] Page SOURcen:CURRent[:LEVel][:IMMediate][:AMPLitude] SOURcen:CURRent[:LEVel][:IMMediate][:AMPLitude] SOURcen:CURRent[:LEVel]:TRIGgered[:AMPLitude] SOURcen:CURRent[:LEVel]:TRIGgered[:AMPLitude] SOURcen:FUNCtion:MODE SOURcen:FUNCtion:MODE Returns: string SOURcen:VOLTage[:LEVel][:IMMediate][:AMPLitude] SOURcen:VOLTage[:LEVel][:IMMediate][:AMPLitude] SOURcen:VOLTage[:LEVel]:TRIGgered[:AMPLitude] SOURcen:VOLTage[:LEVel]:TRIGgered[:AMPLitude] Page STATus:OPERation:CONDition STATus:OPERation:ENABle STATus:OPERation:ENABle STATus:OPERation[:EVENt] ∙*RST Condition: no effect STATus:PRESet STATus:QUEStionable:CONDition STATus:QUEStionable:ENABle STATus:QUEStionable:ENABle STATus:QUEStionable[:EVENt] SYSTem SYSTem:ERRor SYSTem:VERSion TEST:NUMBer number TEST:TST[:RESults] ∙Related Commands: *TST *TST TRIGger[:IMMediate] ∙Related Commands: TRIGger:SOURce TRIGger:SOURce ∙Related Commands: TRIGger:SOURce TRIGger:SOURce IEEE-488.2Common Command Quick Reference HP E1418A Command Quick Reference Page Page Page HP E1418A Specifications General Characteristics Power Requirements HP E1418A Register-BasedProgramming A16 Registers A24 Registers A16/A24 Windows The Base Address A16 Address Space Outside the Command Module A16 Address Space Inside the Command Module or Mainframe Register Offset Page A16/A24 REGISTERS A24 REGISTERS Page Page Page Note Manufacturer ID Register Logical Address Register Device Type Register VXI Status/Control Register Passed: A24 EN: SYSINH: RESET: VXI Offset Register Calibration Control Register Cal Bus En: Cal Bus En A/D Bsy: Card Configuration Register Software Trigger Register Trigger Control Register Trigger Source: Using the Trigger Control Register SYNC mode: OUTPUT mode: Interrupt Status Register Isolation Status Register Channel Program Jumper Register Channel Trigger Channel Mode Register Channel Relay Control Register Card Control Register Main_DAC Triggered Registers Offset_DAC Registers Gain_DAC Registers Undefined Registers Channel Voltage Offset Calibration Gain Calibration Voltage Gain Calibration Constant: Channel Current Current Gain Calibration Constant: Voltage Calibration Status Register Current Calibration Status Register Isolation Status Iso Cal Stat: Calibration Checksum Register Module Serial Number Registers Page HP E1418A Error Messages Page Page Page Voltage/Current Output Adjustment Page Preparation If Permanent If Temporary Voltage Adjustment Page Current Adjustment internal resistor value external resistor value Page Page Return the Module to Use Page Page Page Configuration and Disassembly Checking Configuration 1st Value Returned 2nd Value Returned 3rd Value Returned 4th Value Returned 5th Value Returned Adding 8 Channels Tools Needed Procedure Page Page Installing Isolated/Non-Isolated Plug-onModules must Page Isolating an Assembly (Self-Test) To Exchange an Assembly