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CONNECTIONS
Bypass inputs
to UPSs
1A
2A
3A
4A
33
Eaton 93E MK2 UPS (10-40kVA, 380/400/415V) Installation and Operation
TERMINATING
JUMPER
RJ-45 CABLE
IN
OUT
IN
CN6
CN3
CAN BUS
CAN BUS
UPS 1
UPS 2
BUILDING
PULLCHAIN
BUILDING
ALARM CN9
CN4
ALARM CN9
1
2
1
2
1
2
CUSTOMER
TERMINAL
BLOCK
3
2
4
25
9
8
1
6
7
M
M
NO
NC
NO
NC
NO
NC
O
O
COM
COM
COM
B
B
5
1
2
Figure 4-11. Parallel UPS Control Wiring
UPS 1
Battery
UPS 2
Battery
UPS 3
Outputs from
UPSs
1B
2B
Battery
UPS 4
3B
4B
Battery
Figure 4-12. Parallel UPS system connections
RJ-45 CABLE
RJ-45 CABLE
OUT
IN
OUT
CN6
CN3
CN6
CAN BUS
UPS 3
PULLCHAIN
BUILDING
PULLCHAIN
BUILDING
CN4
ALARM CN9
CN4
ALARM CN9
1
2
1
2
1
2
10
26
15 14
16
27
21 20
12
13
18
19
M
NO
NC
NO
NC
NO
NC
NO
O
COM
COM
COM
COM
B
11
17
3
TIE CABINET
REC inputs
to UPSs
TERMINATING
JUMPER
IN
OUT CN3
CN3
CN6
CAN BUS
UPS 4
PULLCHAIN
CN4
1
2
1
2
TWISTED
PAIRS
22
28
24
M
NC
NO
NC
O
COM
B
23
4
UPS 1
1C
2C
Battery
3C
UPS 2
4C
Battery
UPS 3
Battery
UPS 4
Battery
Outputs from
UPSs
1C
2C
3C
4C
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