Siemens SIMATIC KP8 Operating Instructions Manual page 47

Procedure
1. Connect the EMERGENCY-STOP button as follows to the connector for the fail-safe
Requirement - sensor connection
● Connectors from the accessory kit
● Button as contact break or closer
KP8, KP8F
Operating Instructions, 10/2010, A5E03284305-01
digital inputs:
– Sensor supply VS.0 for the FI.0 input
– Sensor supply VS.1 for the FI.1 input
The EMERGENCY-STOP button must be connected as an equivalent break contact.
Observe the affiliated setting for "Evaluation of the sensor" in the HW config - see chapter
"Setting KP8F - STEP 7 (Page 64)".
Note
External power supply is not permissible for VS.0 and VS.1.
Mount and connect KP8 and KP8F
4.4 Connecting the HMI device
47