User manual

Operating Elements, LEDs and Connectors
30
33003962 11/2011
XBT R Terminals
On their front panels the XBT R terminals provide the following operating and control
elements:
XBT R4••
XBT R411 XBT R4••
No. Description
1 Backlit LCD display
2 Communication LED (XBT R411)
3 Alarm LED (XBT R411)
4 LEDs that can be controlled by the PLC (XBT R411)
5 Service keys for functional link