Eaton 91PS UPS 8-40 kW User And Installation Manual page 69

Eaton 91PS/93PS UPS 8–40 kW
Figure 24. CAN and Pull-Chain wiring for parallel UPS with MOBs
Figure 25. CAN and Pull-Chain wiring for parallel UPS without MOBs
A External parallel connectors TB6–8
1 TB6:2: Pull chain
2 TB6:1: Pull chain RTN
3 TB7:4: CAN High
4 TB7:3: CAN Low
5 TB7:2: CAN GND
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
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Eaton Corporation plc 2018. All rights reserved.
6 TB7:1: Earth
7 TB8:1: CAN Termination 2
8 TB8:2: CAN Termination 1
*) Terminate the first and last UPS
with a jumper.
**) Connect the shield on one end only.
Revision: 005 Document ID: P-164000493
User's and installation guide
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