Inhibit a Device

You cannot inhibit or uninhibit safety I/O devices
or producer controllers
 from the module properties dialog under these conditions:
  • The application program is safety-locked
  • A safety signature exists
To inhibit a device, follow these steps.
  1. Select the device and then select Properties.
  2. In the navigation pane, select Connection.
  3. On the Connection view, select Inhibit Module and click Apply.
    The device is inhibited when the Inhibit Module checkbox is selected. If a communication device is inhibited, all downstream devices are also inhibited.
    Inhibit Module Setting
Regardless of safety signature or safety-locked status some I/O products allow the ability to programmatically inhibit and uninhibit with SSV from the standard task:
  • Class Name: Module
  • Attribute Name: Mode
  • Source: Inhibit = 4; Uninhibit = 0
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