ABB RELION 670 Series Technical Manual page 1326

Section 22
IED hardware
22.2.12.2 Design
The SLM is a PMC card and it is factory mounted as a mezzanine card on the NUM module. Three
variants of the SLM are available with different combinations of optical fiber connectors, see
figure 660. The plastic fiber connectors are of snap-in type and the glass fiber connectors are of
ST type.
1
2
3
4
IEC05000760 V2 EN-US
Figure 660: The SLM variants, component side view
1
2
3
4
A
B
1320
Receiver, LON
Transmitter, LON
Receiver, SPA/IEC 60870-5-103/DNP3
Transmitter, SPA/IEC 60870-5-103/DNP3
Snap in connector for plastic fiber
ST connector for glass fiber
Observe that when the SLM connectors are viewed from the rear side of the IED,
contact 4 above is in the uppermost position and contact 1 in the lowest position.
I E C 0 5 0 0 7 6 0 = 1 = e n = O r i g i n a l . p s d
1MRK 502 066-UUS B
M17126-3 v5
Technical manual