Installation guide

UPS 40 – 160 kVA, 400V 50/60 Hz output
Users and Installation Guide
1023294
Revision C
59
9.3 XSlot Hot Sync card
The parallel interface wiring requires the Hot Sync CAN bridge card.
Figure 40. HotSyncCANBridgecardandterminalinterface
The Hot Sync system communication wiring procudure should be done with shielded twisted
pair as presented in the figure. The maximum length is 40 meters with shield connected to the
terminal pin 10 from both cable ends. Pay attention that you do not mix the polarity among the
UPS modules.
Figure 41. CANcablewiringdiagram.
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 opera-
tion.
9 CAN H
10 Shield
CAN Wiring Terminations
From UPM 1 CAN Card To UPM 2 CAN Card To UPM 3 CAN Card
(If installed)
To UPM 4 CAN Card
(If Installed)
J3-8 (L) J3-8 (L) J3-8 (L) J3-8 (L)
J3-9 (H) J3-9 (H) J3-9 (H) J3-9 (H)
J3-10 (Shield) J3-10 (Shield) J3-10 (Shield) J3-10 (Shield)