Figure 32. CAN and Pull-Chain wiring for parallel UPS with MOBs
Figure 33. CAN and Pull-Chain wiring for parallel UPS without MOBs
A
External parallel connector, UPS 1 5 GND (ISP)
B External parallel connector, UPS 2 6 Earth
C External parallel connector, UPS 3 7 CANBL
1 External pull chain 8 CANB_1
2 GND-S * Terminate the first and last UPS with a
jumper.
3 CANBH ** Connect the shield from one end only.
4 CANBL
Note: NC and NO designations on MOB AUX contacts are defined with the
breaker in the OFF (open) position. If the MOB contacts have pigtail leads,
use the same wire gauge to connect to the UPS and use the correct crimp
connections for the wire gauge. External CAN connections between the UPS
cabinets require shielded twisted pair wire. Use twisted pair wiring between
Eaton 93PM UPS 30–200 kVA User's and installation guide
©
Eaton Corporation plc 2017. All rights reserved. Revision: 005 Document ID: P-164000249 78 (126)
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