Ecm - Huawei UPS5000-E-12 User Manual

UPS5000-E-(40 kVA-320 kVA)
User Manual
Figure 2-10 CM
(1) Ground terminal
(5) Indicator for ECM 1
(9) Indicator for ECM 2
(13) RS485 port
(17) Battery temperature
sensor port

2.4.2.2 ECM

The CM provides two active/standby energy control modules (ECMs). Each ECM provides
one BSC port and one parallel port, as shown in
Figure 2-11 ECM
To connect UPSs in parallel, use a parallel cable to connect the parallel ports on the ECMs on
the two UPSs. A hot swappable BSC is used in a dual-bus system to process the
communication information of two UPS systems.
ECMs.
Table 2-2 Ports on the ECMs
Silk Screen
PARALLEL
Issue 10 (2015-09-15)
(2) Parallel port 1
(6) Parallel port 2
(10) Dry contact card
(14) Fast Ethernet (FE)
port
(18) Optional card
subrack cover
Description
This port transmits parallel signals. To connect UPSs in parallel, use a
parallel cable to connect the parallel ports on the ECMs on the UPSs. N
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(3) BSC port
1
(7) BSC port
2
(11) Dry
contacts
(15) COM2
port
Figure 2-11.
Table 2-2 describes the functions of the
2 Overview
(4) ECM 1 ready
switch
(8) ECM 2 ready
switch
(12) MDU port
(16) COM1 port
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