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● Example of wiring diagram
・Single-2 wire
11
12
23
9
21
10
KE1-VSU1B-FLK
7
8
9 1
RS-485 communication
5
6
7 1
Solid-state relay output
1a relay output
3
4
5 1
1
2
3 1
Power voltage
・3-phase 3-wire
23
11
12
9
10
21
KE1-VSU1B-FLK
7
8
9 1
RS-485 communication
6
7 1
5
Solid-state relay output
1a relay output
3
4
5 1
1
2
3 1
Power voltage
2.4
Power supply side (K)
24
P2
22
P1
0 2
8 1
6 1
4 1
Load side (L)
Power supply side (K)
R S T
24
P3
P2
22
P1
0 2
8 1
6 1
4 1
Load side (L)
Input/output configuration and example of wiring diagram
・Single-3 wire
11
12
23
9
21
10
KE1-VSU1B-FLK
7
8
9 1
RS-485 communication
5
6
7 1
Solid-state relay output
1a relay output
3
4
5 1
1
2
3 1
Power voltage
・3-phase 4-wire
23
11
12
9
10
21
KE1-VSU1B-FLK
7
8
9 1
RS-485 communication
6
7 1
Solid-state relay output
5
1a relay output
3
4
5 1
1
2
3 1
Power voltage
Power supply side (K)
R N T
24
P3
P2
22
P1
0 2
8 1
6 1
4 1
Load side (L)
Power supply side (K)
R S T N
P0
24
P3
P2
22
P1
0 2
8 1
6 1
4 1
Load side (L)
2-21
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