Outputs; Outputs For Tripping And Controlling - ABB RELION SMU615 Applications Manual

Merging unit's physical connections
Table 33: Light sensor input connectors
Terminal
X13
X14
X15
4.2

Outputs

4.2.1

Outputs for tripping and controlling

Output contacts PO1, PO2, PO3 and PO4 are heavy-duty trip contacts capable
of controlling most circuit breakers. In the factory default configuration, the trip
signals from all the protection stages are routed to PO3 and PO4.
Table 34: Output contacts
Terminal
X100:6
X100:7
X100:8
X100:9
X100:15
X100:16
X100:17
X100:18
X100:19
X100:20
X100:21
X100:22
X100:23
X100:24
72
The merging unit is provided with connection sockets X13, X14 and X15
only if the optional communication module with light sensor inputs has
been installed. If the arc protection option is selected when ordering a
merging unit, the light sensor inputs are included in the communication
module.
Description
Input Light sensor 1
Input Light sensor 2
Input Light sensor 3
Description
PO1, NO
PO1, NO
PO2, NO
PO2, NO
PO3, NO (TCS resistor)
PO3, NO
PO3, NO
PO3 (TCS1 input), NO
PO3 (TCS1 input), NO
PO4, NO (TCS resistor)
PO4, NO
PO4, NO
PO4 (TCS2 input), NO
PO4 (TCS2 input), NO
1MRS758580 C
SMU615
Application Manual