Eaton 93PM Series - Page 75

Eaton 93PM UPS 480V Three-Wire – 100 kW Frame Installation and Operation Manual 164000227—Rev 07 63
Figure 31. External Parallel CAN Wiring
Shielded Twisted Pair
with Drain line
Shielded Twisted Pair
with Drain line
Shielded Twisted Pair
with Drain line
External
Parallel
TB
External
Parallel
TB
External
Parallel
TB
External
Parallel
TB
Parallel
CAN Out
Parallel
CAN Out
Parallel
CAN Out
Termination
121 Ohm
Resistor
Termination
121 Ohm
Resistor
Parallel
CAN In
Parallel
CAN In
Parallel
CAN In
UPS 1
UPS 2
UPS 3
(If Installed)
UPS 4
(If Installed)
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
NOTE External parallel CAN connections between UPS cabinets require shielded twisted pair
wire with drain wire.
NOTE Terminations are 121 ohm 1% resistors installed in the terminal block in the first and last
UPS.
Figure 32. External Parallel Terminal Block
UPS
External
ParallelTB
Ground_S
PullChain
CANLIn
CANHIn
CANLOut
CANHOut
Earth
Ground (ISP)
Earth
Ground (ISP)
10
1
UPS System Installation