MODULAR SAFETY INTEGRATED CONTROLLER MOSAIC
8540780 • 10/07/2020 • Rev.38 113
Use with RESTART: Automatic (A) or Manual (B) (Category 2)
Figure 70
Category 4. Outputs with two Category 4 relays.
Each MOR4/S8 unit can have up to 2 of these outputs.
With this output the relays are controlled in pairs.
Features:
• 2 double channel outputs.
• Double internal relays are monitored.
• Each output can be set as AUTO or MANUAL RESTART.

In order to not affect the outcome of the calculation of the PL, the inputs (sensors or
safety devices) must be of a category equal to or higher than the other devices in the
chain.
Example of use with only the internal relay and
monitored solenoid valves.
Example of use with external contactors with feedback.
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