Eaton 93PR Series - 4.5.3. Installation of the parallel control wiring

Eaton 93PR 15-80 kW UPS
Installation and Operation Manual
40
Copyright © 2022 Eaton Corporation plc. All rights reserved.
4.5.3. Installation of the parallel control wiring
1. Please perform installation in accordance with the User Manual, and follow the safety requirements
2. The external parallel control signal is connected via two RJ45 ports (PAR IN/PAR OUT). Please see
Figure 5-1 for the location of the communication interface, and see Figure 4-6 for the wiring.
UPS1 UPS2
UPS3 UPS4
PAR IN PAR IN PAR IN PAR INPAR OUT PAR OUTPAR OUTPAR OUT
If installed
If installed
Figure 4-6: Simplied wiring of CAN and Pull-Chain of the parallel UPS system
CAUTION
• Figure 4-6 represents the parallel wiring diagram and not the physical layout plan. UPS
can be arranged in any physical order.
• The connection cables used among parallel UPS units shall be of shielded twisted-pair
cables.