Powerware UPS20-30kVA User Manual

43

UPS 20-30 kVA, 230 V 0/60 Hz output  

User’s Guide

1026743 
Revision B

6.  First select “SETTINGS”, then “USER SETTINGS” and finally “SIGNAL INPUT” from LCD menu.

7. 

Select “INPUT 1” (X44) or “INPUT 2“ (X4).

8.  Browse the menu and select “FORCE BYPASS”.

9.  Finally check that all the connections have been made correctly and test the fuctioning of 

the bypass switch. Check also from the UPS that it goes to bypass mode.

To enable parallel operation all the UPSs in the system need the XSlot Hot Sync card (see 
Figure below) installed into an open XSlot on the front of the UPS (see chapter XSlot 
communication).

Figure 22 XSlot Hot Sync card and terminal interface

The Hot Sync communication wiring procedure should be done with shielded twisted pair 
(STP) as presented in the figure below. The maximum length of the cable  is 40 m with shield 
connected to the terminal pin 10 from end of the both cables. Pay attention that you don’t mix 
the polarity among the UPS modules.

Terminal J3

Name

Description

1

Alarm

Programmable UPS alarm. Activated by a 

remote dry contact closure

2

Alarm Rtn

3

Alarm Relay NC

Normally-closed contact opens when UPS 

is on bypass.

4

Alarm Relay Com

Bypass contact return.

5

Alarm Relay NO

Normally-open contact closes when UPS 

is on bypass.

6

TX

Remote Monitor Panel (RMP). Relay 

Interface Module (RIM), or Supervisory 

Contact Module (SCM) Connections.

7

TX

8

CAN L

Controller Area Network (CAN) Input for 

parallel operation.

9

CAN H

10

Shield