Configure the inhibit input mode:
1. Press the Input Settings > Output Inhibit to configure the inhibit input mode.
2. Select the desired mode (Off, Latched or Live).
To clear the Inhibit protection function, first remove the external Inhibit signal. Then select Load Settings >
Protection Clear for all load inputs. This clears the Inhibit protection function and returns the load input to its
previous operating state.
From the remote interface:
To select the Inhibit function:
DIG:PIN3:FUNC INH
To select the pin polarity:
DIG:PIN3:POL POS
DIG:PIN3:POL NEG
To set Inhibit mode to Latching:
OUTP:INH:MODE LATC
To set Inhibit mode to Live:
OUTP:INH:MODE LIVE
To disable the Inhibit signal:
OUTP:INH:MODE OFF
Fault/inhibit system protection
The following figure illustrates some ways that you can connect the Fault/Inhibit pins of the connector.
As shown in the figure, when the Fault outputs and Inhibit inputs of several instruments are daisy-chained, an
internal fault condition in one of the units will disable all load inputs without intervention by either the controller or
external circuitry. Note that when using the Fault/Inhibit signals in this manner, both signals must be set to the
same polarity.
Keysight EL30000 Series User's Guide 83
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