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Model 6517B Electrometer Reference Manual
:SOURce <name>
This command is used to specify the arm, scan, and measure event control sources.
Usage
:ARM[:SEQuence[1]][:LAYer[1]]:SOURce <name>
:ARM[:SEQuence[1]]:LAYer2:SOURce <name>
:TRIGger[:SEQuence[1]]:SOURce <name>
:SOURce?
<name>
Details
These commands are used to select the event control source for the specified layer. With HOLD
selected, operation stops and waits indefinitely in the specified layer. While in HOLD, operation can be
continued by sending the :IMMediate command or the :SIGNal command. Keep in mind
however, that if the layer count is >1, HOLD is again enforced when operation loops back around.
With IMMediate selected (do not confuse :SOURce IMMediate with :IMMediate), operation
immediately passes through the specified layer.
A specific event can be used to control operation through a layer. With BUS selected, operation
continues when a GPIB trigger (GET or *TRG) is sent. With TLINk selected, operation continues
when an input trigger through the trigger link is received.
A real-time clock event is available for the arm layer (Arm Layer 1). With RTCLock selected, event
detection is satisfied at the programmed date and time allowing operation to continue on in the trigger
model (see the
A TIMer event is available for the scan and measure layers. With TIMer selected for the specified
layer, the event occurs at the beginning of the timer interval, and every time it times out. For example,
if the measure layer timer is programmed for a 30-second interval, the first pass through the measure
layer control source occurs immediately. Subsequent scan events occur every 30 seconds. The
interval for the timer is set using the
Also see
:TIMer <n>
6517B-901-01 Rev. C / August 2015
HOLD: Hold operation in specified layer
IMMediate: Pass operation through specified layer
RTCLock: Select real-time clock as event (Arm Layer 1 only)
MANual: Select manual event
BUS: Select GPIB trigger as event
TLINk: Select trigger link as event
EXTernal: Select external triggering as event
TIMer: Select timer as event (not available for Arm Layer 1)
IEEE-488 trigger model
(on page 14-150)
(on page 11-16)).
:TIMer <n>
(on page 14-150) command.
Section 14: SCPI command reference
14-149
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