Siemens SIMATIC ET 200iSP

7.8 Status and error LEDs on the IM 152-1PN
Interface module IM 152-1PN
&3
.5
14
14
"$5
3/
-,
-,
ER Group error (red)
MT Maintenance demanded (orange)
ACT Active IM with redundancy (orange)
RN Connection status (green)
PS1 Operating state Power Supply PS 1 (green, right PS)
PS2 Operating state Power Supply PS 2 (green, left PS)
LK1 Operating state transceiver 1 (green, front transceiver)
LK2 Operating state transceiver 2 (green, rear transceiver)
Commissioning and Diagnostics
7.8 Status and error LEDs on the IM 152-1PN
ET 200iSP
170 Operating Instructions, 11/2022, A5E00247483-AK