Huawei ECC500 User Manual page 24

ECC500
User Manual
Table 3-1 ECC500 component functions
Hardware
Main control
module
RS485
expansion card
AI/DI
expansion card
Independent
deployment
AI/DI unit
Issue 05 (2020-03-16)
Silk Screen Configuration
SMU03A Mandatory (1 PCS)
MUS02A Mandatory (1 PCS)
MUE05A Mandatory (1 PCS)
MUE06A Optional
Copyright © Huawei Technologies Co., Ltd.
3 Configurations and Port
Function
 Provides an LCD to query,
set, and control local
parameters.
 Provides an operating status
indicator and alarm
indicator.
 Provides a fast Ethernet (FE)
port.
 Records active alarms and
historical alarms.
 Provides intelligent unit
management.
 Provides five half-duplex
RS485 communications
ports, among which the
COM4 and COM5 ports
provide DC outputs of 12 V
(actual range: 12.8–15 V),
400 mA to devices such as
Independent Deployment
AI/DI Units and intelligent
T/H sensors.
 The power supply status
indicators for the power
output ports are steady green
when they provide power
outputs and are off when
they supply no power.
 Provides four AI/DI ports
with 12 V DC outputs to
sensors such as smoke
sensors and water sensors.
 Provides one digital output
(DO) port for remote control,
and one 12 V DC (< 300
mA) power supply for
controlling devices such as
the audible and visual alarm.
 Can be independently
installed in a 19-inch rack or
on a wall.
 Provides eight AI/DI ports
that provide 12 V DC
outputs to sensors and offer
internal overcurrent
protection.
 Provides eight AI/DI ports
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