Huawei SmartAX MA5600T Hardware Description page 970

SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
Sensor Port
Figure 6-35
Figure 6-35 Sensor ports of the PMIB02 sensor transfer box
Table 6-36 Function of the sensor ports
Silk
Screen
BAT_W
E
VBTEM
2
WATER
TEM_H
U
Issue 24 (2018-07-30)
and Table 6-36 describe the sensor ports of the PMIB02 sensor transfer box.
Signal Port Pin Function
Sensor port of l Pin 1 is for grounding.
battery
l Pin 2 is for the signal cable.
temperature 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
l Pin 2 is for the temperature signal
temperature 2
cable.
The external sensor outputs the 4-20 mA
current signal.
Water sensor l Pin 1 is for the +12 V power supply.
port
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
temperature
power supply.
and humidity 1
l Pin 2 is for the temperature signal
cable.
l Pin 4 is for the humidity signal cable.
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6 Electromechanical Device
Remarks
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