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TRIGger

The TRIGger subsystem commands control the scan triggering operation of

the multiplexer modules.

Subsystem Syntax TRIGger

[:IMMediate]

:SOURce BUS | DBUS | EXTernal | HOLD | IMMediate

:SOURce?

[:IMMediate] TRIGger[:IMMediate] causes a trigger to occur when the defined trigger

source is

TRIGger:SOURce HOLD or TRIGger:SOURce BUS. Note that

TRIGger[:IMM] is not the same as TRIGger:SOURce IMM.

Comments • Executing the TRIGger[:IMMediate] Command: A channel list

must be defined with the

[ROUTe:]SCAN <channel_list> command

and an

INITiate[:IMMediate] command must be executed before

TRIGger[:IMMediate] can trigger the switchbox.

• HOLD or BUS Source Remains: If selected, the TRIGger:SOURce

HOLD

or TRIGger:SOURce BUS commands remain in effect after

triggering the switchbox with the

TRIGger[:IMMediate] command.

• Related Commands: INITiate, [ROUTe:]SCAN

Example Advancing Scan using the TRIGger Command

TRIG:SOUR HOLD Sets trigger source to hold.

SCAN (@100:115) Sets channel list.

INIT Starts scanning cycle.

loop statement Start count loop.

TRIG Advances scan to next channel.

increment loop Increment count loop.

Chapter 5 HP E1351A/53A 16-Channel FET Multiplexer Command Reference 73

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HP E1351A/53A Manual do Utilizador Página 73