Module Inhibiting
Module inhibiting lets you indefinitely suspend a connection, including Listen Only
connections, between a controller and a module without removing the module from the
configuration. This process lets you temporarily stop the connection between the
controller and the module.
IMPORTANT:
Whenever you inhibit a module with outputs, all outputs change to the state that is
configured for Program Mode (Standard modules only).
IMPORTANT:
You cannot inhibit a connection when the safety controller is safety-locked or a
safety signature exists for the controller.
You can use module inhibiting in the following ways:
- You want to perform maintenance on the module.
- You want to update a module, for example, update the module firmware revision.
- You use a program that includes a module that you do not physically possess yet. You do not want the controller to look for a module that does not yet exist. In this case, you can inhibit the module in your program until it physically resides in the system.
Use the following procedure to inhibit and uninhibit the module:
- Inhibit the module – Go to Connection view in the Module Properties dialog, select Inhibit Module and then select Apply or OK.
- Perform the necessary update.
- Uninhibit the module – Go to Connection view in the Module Properties dialog, clear Inhibit Module and then select Apply or OK.
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