Inficon 540-200, Translation Of The Original Operating Instructions

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INFICON Controlling the device using interfaces | 7
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7 Controlling the device using interfaces
7.1 Controlling using PLC
The basic functions of the device can be controlled by a PLC, and the measurement
values can be read. Most PLC functions are activated when the input signal increases.
A high signal when the device is starting up is not sufficient.
Electrical data of the inputs and outputs: Connecting the PLC inputs to the electrical
system [
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32] Connecting the PLC inputs to the electrical system [
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33].
7.1.1 Allocation of functions for PLC input
Using a graphic, you can change the allocation of functions for the input and then test
it.
► In the main menu, select “Settings Interfaces  Select PLC input”.
Fig. 26: User-defined allocation of functions, PLC inputs
Change an allocation as follows:
1. Select a pin with the up and down keys on the left side.
2. Select the desired function with the up and down keys on the right side.
3. Confirm with “OK”. An overview with all selected functions is displayed.
4. Check the allocations and press “OK” again to confirm.