UPS System Installation
Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4
www.eaton.com/powerquality
4-25
Table 4-5. External Parallel CAN and Pull Chain Connections
External Parallel Terminal Block Name
Description
1
Pull Chain
External parallel pull chain connections between UPSs.
2
Pull Chain Ground
3
CAN H In
External parallel CAN input connections from previous UPS.
4
CAN L In
5
Ground
6
Earth
Not Used
7
CAN H Out
External parallel CAN output connections to next UPS.
8
CAN L Out
9
Ground
10
Earth
Not Used
Table 4-6. External Parallel CAN and Pull Chain Terminal Block Terminations
Terminal Function
Recommended
Minimum Wire Size
Size of Pressure
Termination
Tightening Torque
Nm (lb in)
Type Screw
Comments
CAN
#18 AWG
#26–#16
0.4 (3.5) - 0.8 (7.1)
Slotted
Use shielded twisted-pair wires with drain wire for
each input and return or common.
Strip wire insulation
back 10 millimeters to wire terminal blocks.
Pull Chain
#26–#16
0.4 (3.5) - 0.8 (7.1)
Slotted
Use twisted-pair wires for each input and return or
common.
Strip wire insulation back 10 millimeters to
wire terminal blocks.
Summary of Contents for 93PM UPS
Page 1: ...Eaton 93PM UPS 20 50 kW 480V Four Wire 50 kW Frame Installation and Operation Manual...
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Page 3: ...Eaton 93PM UPS 20 50 kW 480V Four Wire 50 kW Frame Installation and Operation Manual...
Page 25: ...Section 1 Installation...
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Page 87: ...Section 2 Operation...
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