Measurement-computing GPIB-488 Bedienungsanleitung PDF herunterladen (Seite 96)

Chapter 4 GPIB 488.2 Library Reference

Programming Reference Manual 4-28 GPIB-488

Trigger

Triggers one device.

Syntax

C Trigger(int board, short address)

Parameters

board is an integer which identifies the GPIB board to used for this operation. In most

applications, this value is 0.

address is an integer representing the GPIB address of the device to trigger. If

address = NOADDR then all Listeners already addressed are triggered.

Returns

ibsta will contain a 16-bit status word as described in Appendix B, IBSTA.

iberr will contain an error code, if an error occurred.

Usage Notes

When this call is executed, the GPIB GET (Group Execute Trigger) message is sent to the

specified device.

To trigger several GPIB devices, use

TriggerList.

Example

This example triggers a device connected to board 0 whose primary GPIB address is 6 and

secondary address is 12.

C Trigger (0, MakeAddr (6, 12));

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