Device View Of An Olm - Siemens SIMATIC NET Operating Instructions Manual

Description of the device

2.2 Device view of an OLM

2.2 Device view of an OLM
The following figure shows a PROFIBUS OLM with all interfaces, display elements and
setting options.
①
LED display
②
Channel 1/0 (RS-485)
③
Channel 2 (optical)
Transmitter (left)
•
Receiver (right)
•
④
Channel 3 (optical)
Transmitter (left)
•
Receiver (right)
•
⑤
DIL switch for setting the modes
⑥
Operating voltage L1+/M/L2+
Signaling contact F1/F2
⑦
Sockets for measuring the levels of the optical interfaces
Figure 2-1 View from the front, side and top
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Operating Instructions, 01/2020, C79000-G8976-C270-06
Optical link module