Figure 4-21. External Parallel Can Wiring; Figure 4-22. External Parallel Terminal Block - Eaton 93PM UPS Installation And Operation Manual

UPS System Installation
Shielded Twisted Pair
with Drain Line
External
Parallel
TB
1
2
Termination
3
121 Ohm
4
Resistor
5
6
7
8
Parallel
9
CAN Out
10
UPS 1
NOTE 1 External parallel CAN connections between UPS cabinets require shielded twisted pair wire with drain wire.
NOTE 2 Terminations are 121 ohm 1% resistors installed in the terminal block in the first and last UPS.

Figure 4-21. External Parallel CAN Wiring

External
Parallel TB

Figure 4-22. External Parallel Terminal Block

4-26 Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4
Shielded Twisted Pair
with Drain Line
External
Parallel
TB
1
2
3
4
Parallel
5
CAN In
6
7
8
Parallel
9
CAN Out
10
UPS 2
UPS
1
10
Shielded Twisted Pair
with Drain Line
External
Parallel
TB
1
2
3
4
Parallel
5
CAN In
6
7
8
Parallel
9
CAN Out
10
UPS 3
(If Installed)
Pull Chain
Ground_S
CAN H In
CAN L In
Ground (ISP)
Earth
CAN H Out
CAN L Out
Ground (ISP)
Earth
External
Parallel
TB
1
2
3
4
Parallel
5
CAN In
6
Termination
7
121 Ohm
8
Resistor
9
10
UPS 4
(If Installed)
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