18. Terminal diagrams
SMU615
X13
Light sensor input 1 1)
X14
Light sensor input 2 1)
X15
Light sensor input 3 1)
16
17
19
18
X100
6
7
8
9
10
11
12
13
15
14
2
1
3
4
5
22
21
23
24
SO2
TCS2
PO4
SO1
TCS1
PO3
PO2
PO1
IRF
+
-
U
aux
20
1) Order selectable -Optional
2) The IED features an automatic short-circuit
mechanism in the CT connector when plug-in
unit is detached
2)
X120
1
2
3
4
5
6
7
8
9
10
11
12
14
Io
IL1
IL2
IL3
1/5A
N
1/5A
N
1/5A
N
0.2/1A
N
13
U1
U2
U3
60 -
N
210V
60 -
N
210V
60 -
N
210V
GUID-1B5FFED6-387B-4C7D-8606-38F832BA4200 V1 EN
Figure 7.
Terminal diagram for application configuration A with CT and VT inputs
Substation Merging Unit
1MRS758420 B
SMU615
Product version: 1.0
24
ABB