optris PI 160 - Example for a Fail-Safe Monitoring of the PI with a PLC

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Electrical Installation
4.2 Example for a Fail-Safe monitoring of the PI with a PLC
Figure 20: Fail-Safe monitoring states
Fail-Safe monitoring states
[1]
Breakdown of PIF power supply
[4]
Malfunction of PI
[2]
Cable break of fail-safe cable
[5]
Breakdown of PI power supply/ Interruption of USB cable
[3]
Interruption of cable PI-PIF
[6]
Malfunction of PIConnect software