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Eaton 93PM UPS 480V Three-Wire – 100 kW Frame Installation and Operation Manual 164000227—Rev 07
15. Connect the external parallel CAN wiring to the CAN terminals. See paragraph
UPS System Interface Wiring Preparation
, and
for wiring and termination
requirements, and
and
for wiring information and terminal assignments.
16. If wiring external parallel pull chain connections, proceed to paragraph
Installing External Parallel Pull Chain Control Wiring and Connections
; if wiring Minislot connections,
proceed to paragraph
Installing Minislot Interface Connections
; if wiring REPO connections,
proceed to paragraph
; otherwise, proceed to
Step 17
.
17. Close the UPS outside door and secure the latch.
Table 16. 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 17. 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.
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