Digital Port Functions Appendix B
Series E4360 User’s Guide 99
Front Panel:
SCPI Command:
Select
System\IO\DigPort\Pin<n>,
where <n> is the pin number.
Select Function, then either
Trigger In or Trigger Out.
Go back one level, select Polarity,
then either Positive or Negative.
To select the trigger output
function for pin 1:
DIG:PIN1:FUNC TOUT
To select the trigger input
function for pin 2:
DIG:PIN2:FUNC TINP
To select the trigger polarity:
If you have configured the pin as a trigger output, select a trigger source
from the following:
Bus
Selects GPIB device trigger, *TRG, or <GET> (Group Execute Trigger).
Acquisition
<channel>
Selects a pin on the external port connector as the trigger source.
<n> specifies the pin number. The selected pin must be configured
as a Trigger Input to be used as a trigger source (see Appendix B).
Datalog
Selects the output channel’s datalog timer as the trigger source.
<channel> specifies the channel.
Dwell
Selects the output channel’s dwell timer as the trigger source.
<channel> specifies the channel.
Transient
<channel>
Selects the output channel’s transient system as the trigger source.
<channel> specifies the channel.
Select a trigger source for the output trigger pin.
Front Panel:
SCPI Command:
Select
System\IO\DigPort\Pin<n>,
Select Function, then select a
Trigger Source.
To select a trigger source for pin
1:
TRIG:PIN1:SOUR BUS
TRIG:PIN1:SOUR ACQ<n>
TRIG:PIN1:SOUR TRAN<n>
TRIG
Fault Output
Pins 1 and 2 can be configured as a fault-output pair. The polarity of pin
1 can also be configured. Pin 1 is the Fault output; pin 2 is the common
for pin 1. Note that pin 2 must also be connected to pin 8.
The Fault Output function enables a fault condition on any channel to
generate a fault signal on the Digital Control port. The following
conditions will generate a fault event: over-voltage, over-current, over-
temperature, inhibit signal, power-fail condition, or on some models, a
power-limit condition.
Both pins 1 and 2 are dedicated to this function. This provides for an
optically-isolated output. Pin 2’s function is ignored. Note that the Fault
output signal remains latched until the fault condition is cleared. You
must also clear the protection circuit.
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