The controller for temperature and humidity is suitable for adjustment and control of temperature and humidity in equipments of high voltage switchgear, terminal box, ring network panel, box transformer substation etc. It can effectively protect relevant equipment from faults resulting from excessive low or high temperature, creepage or flashover etc.from humidity or condensation. These products meet the requirements of GB/T 15309-1994.
Type | Function | Sensor (Pcs) | Mounting mode |
WHD72-22/JC | Two channels temperature, humidity control | WH-3(2) | Embedded Catout:67x67 |
1-2 port:power supply ( AC/DC85-265v)
41-42 port: Alarm contact(When the heater is failure,working without as per the normal working condition, the corresponding indicator for heating-fault lights to give alarming.when the temperature exceeds the set value,the data of corresponding channel flashes. Reset when the meter itself fails).
15-16 port: the first Fan control(passive contact,connect with Fan)
17-18 port: the second Fan control(passive contact,connect with Fan)
19-20 port:the first Heating control(passive contact,connect with Heat equipment)
21-22 port:the second Heating control(passive contact,connect with Heat equipment)
30-31 port:RS485 communication port(modbus-rtu protocol)
3-4-5-6 port:the first sensor (connect with temperature&humidity sensor. 3 connect to V+ ;4 connect to Clk;5 connect to Data;6
connect to V-)
7-8-9-10 port:the second sensor (connect with temperature&humidity sensor. 7 connect to V+ ;8 connect to Clk;9 connect to Data;10
connect to V-)