AMETEK BPS Series Programming Manual User Manual

Page 155

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BPS / MX / RS Series SCPI Programming Manual

AMETEK Programmable Power

Manual P/N 7003-961 Rev. AA

155

6.5.4

Generating Triggers

Providing that you have specified the appropriate trigger source, you can generate triggers
as follows:

Single Triggers

By sending one of the following over the IEEE-488:

• INIT
• *TRG
• a group execute trigger

Continuous Triggers

By sending the following commands over the IEEE-488:

• TRIGger: SOURce IMMediate
• INITiate:CONTinuous

ON

When the trigger system enters the Output Change state upon receipt of a trigger (see
Figure 6-5), the triggered functions are set to their programmed trigger levels. When the
triggered actions are completed, the trigger system returns to the Idle state.

Specifying a Dwell Time for Each List Point

Each voltage and frequency list point has an associated dwell time specified by:

LIST:DWELl <n> ,<n>

where <n> specifies the dwell time in seconds. The number of dwell points must equal the
number of output points. If a dwell list has only one value, that value will be applied to all
points in the output list. After each new output level or point is programmed, the output
remains at that point in the list for the programmed dwell interval before the list advances to
the next point. Only an ABORt command can transfer the system out of the Dwelling state.

At the end of the dwell interval, the transition to the next state depends on whether or not the
list has completed its sequencing and the state of the LIST:STEP command (see Figure
6-5).

If the list is completed, the trigger system returns to the Idle state.

If the list is not completed, then the system reacts as follows:

LIST:STEP ONCE

programs the trigger system to return to the Initiated state to wait for
the next trigger.

LIST:STEP AUTO

programs the trigger system to immediately execute the next list
point.

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