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Specifications
6.7 Connection examples for Enable switch and STOP button
"Mobile Panel plugged" signal
Mobile Panel on the Terminal Box
Not plugged
Plugged
Note
The "Mobile Panel plugged" output of the Terminal Box Basic is connected to the power
supply. In the case of the Terminal Box Plus, this output is fed to a relay using two pins.
Observe the following points when connecting the "Mobile Panel plugged" signal:
• Connect terminal strip 2, pin 7 of the terminal box to the digital input of the controller
• Terminal Box Basic Terminal strip 2, pin 8 of the terminal box remains free
• Terminal Box Plus: +24 V have to be supplied to terminal strip 2, pin 8
6.7
Connection examples for Enable switch and STOP button
6.7
Introduction
This section presents connection examples for the Enable switch and STOP button for safety
category 3 in accordance with EN 954-1.
All KA and KB contacts must be positively driven.
Notice
To ensure safety category 3 in accordance with EN 954-1, be sure to follow the operating
instructions for the monitoring device being used.
6-18
Signal at the digital input of the controller
"0"
"1"
Mobile Panel 177 (WinCC flexible)
Operating Instructions (Compact), Edition 07/2005
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