UPS System Installation
4-26
Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4
www.eaton.com/powerquality
Figure 4-21. External Parallel CAN Wiring
Figure 4-22. External Parallel Terminal Block
1
2
3
4
5
6
7
8
9
10
UP
S
1
External
Parallel
TB
1
2
3
4
5
6
7
8
9
10
UP
S
4
(If Installed)
External
Parallel
TB
1
2
3
4
5
6
7
8
9
10
UP
S
2
External
Parallel
TB
1
2
3
4
5
6
7
8
9
10
UP
S
3
(If Installed)
External
Parallel
TB
S
hielded Twisted Pair
with Drain Line
S
hielded Twisted Pair
with Drain Line
S
hielded Twisted Pair
with Drain Line
Parallel
CAN Out
Parallel
CAN Out
Parallel
CAN Out
Parallel
CAN In
Parallel
CAN In
Parallel
CAN In
Termination
121 Ohm
Resistor
Termination
121 Ohm
Resistor
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.
UPS
External
Parallel TB
Ground_
S
Pull Chain
CAN L In
CAN H In
CAN L Out
CAN H Out
Earth
Ground (I
S
P)
Earth
Ground (I
S
P)
10
1
Summary of Contents for 93PM UPS
Page 1: ...Eaton 93PM UPS 20 50 kW 480V Four Wire 50 kW Frame Installation and Operation Manual...
Page 2: ......
Page 3: ...Eaton 93PM UPS 20 50 kW 480V Four Wire 50 kW Frame Installation and Operation Manual...
Page 25: ...Section 1 Installation...
Page 26: ......
Page 87: ...Section 2 Operation...
Page 88: ......
Page 145: ......
Page 146: ...P 164000540 4 P 164000540 4...