Figure 4-6. Parallel Ups System Connections - Eaton 93E Operation Manual

UPS System Installation
CUSTOMER
TERMINAL
BLOCK
CONNECTIONS
4-10 Eaton 93E UPS (300/400 kVA, 380/400/415V) Installation and Operation Manual
TERMINATING
JUMPER
RJ-45 CABLE
IN OUT IN
CN3 CN6 CN3
CAN BUS CAN BUS
UPS 1 UPS 2
BUILDING PULLCHAIN BUILDING
ALARM CN9 CN4 ALARM CN9
1 1 2 2 1 2 1 2
3 2 4 25 9 8
1 6 7
M
NO NC NO NC NO NC
O
COM COM COM
B
5
1
Bypass inputs
to UPSs
1A
2A
3A
4A

Figure 4-6. Parallel UPS system connections

RJ-45 CABLE
OUT IN OUT
CN6 CN3 CN6
CAN BUS
UPS 3
PULLCHAIN BUILDING PULLCHAIN
CN4 ALARM CN9 CN4
1 2 1 2 1
10 26 15 14 16
12 13 18
M M
NO NC NO NC NO
O O
COM COM COM
B B
11 17
2 3
TIE CABINET
UPS 1
Battery
UPS 2
Battery
UPS 3
Battery
UPS 4
Battery
TERMINATING
JUMPER
RJ-45 CABLE
IN OUT
CN3 CN6
CAN BUS
UPS 4
BUILDING PULLCHAIN
ALARM CN9 CN4
2 1 2 1 2
TWISTED
PAIRS
27 21 20 22 28
19 24
M
NC NO NC NO NC
O
COM COM
B
23
4
Outputs from
1B UPSs
2B
3B
4B