optris PI 200 Operator's Manual page 55

Electrical Installation
If the process interface of the camera is directly connected to external hardware
PIF cable) an activation of the field „Support proprietary PIF cable" in the menu Tools/
Configuration/ Device (PIF) in the PIX Connect software is necessary.
Figure 33: Support proprietary PIF cable
Consider that the input of the PIF is not protected if there is a direct PIF connection!
A voltage > 3 V on the INT pin will destroy the device!
1)
We recommend using only a switching contact between INT and DGND as external hardware (button, relay).
1)
(without using the supplied
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