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UA5000 Universal Access Unit
Environment Monitoring
Table 7-10 Pin Function of the Sensor Ports
Silk
Screen
BAT_WE
VBTEM2
WATER
TEM_HU
VTEM2
JTP1
SMOKE
JTM1
Issue 01 (2012-08-17)
Signal Port
Pin Function
Sensor port of
l Pin 1 is for grounding.
battery temperature
l Pin 2 is for the signal cable.
1
l Pin 3 is reserved.
l Pin 4 is for the +12 V power supply.
The external sensor outputs the 0-5 V voltage signal.
Sensor port of
l Pin 1 is for the +24 V power supply.
battery temperature
l Pin 2 is for the temperature signal cable.
2
The external sensor outputs the 4-20 mA current signal.
Water sensor port
l Pin 1 is for the +12 V power supply.
l Pin 2 is for the signal cable.
l Pin 3 is for grounding.
l Pin 4 is reserved.
When the impedance between pin 2 and pin 3 drops to
a certain range, alarms are triggered.
Sensor port of
l Pin 1 and pin 3 are for the +24 V power supply.
temperature and
l Pin 2 is for the temperature signal cable.
humidity 1
l Pin 4 is for the humidity signal cable.
Sensor port of
l Pin 1 is for the +24 V power supply.
temperature and
l Pin 2 is for the temperature signal cable.
humidity 2
The external sensor outputs the 4-20 mA current signal.
Sensor port of the
l Pin 1 is for the signal cable.
MDF
l Pin 2 is reserved.
Smoke sensor port
l Pin 1 is for the signal cable.
l Pin 2 is for the +24 V power supply.
Door-status sensor
l Pin 1 is for the signal cable.
port
l Pin 2 is for the +24 V power supply.
By default, when pin 1 and pin 2 are connected, the door
is in the normal state; when they are disconnected,
alarms are triggered. If no door-status sensor is used,
connect pin 1 and pin 2 to disable door-status alarms.
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Copyright © Huawei Technologies Co., Ltd.
7 EPS75-4815AF Monitoring Solution
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