Industrial Automatics - controls, measurement, regulators, sensors...

Temperature and Humidity Regulator STW

Regulator STW is specialized, two channel regulator designed to work with devices that require control over both temperature and humidity. The STW regulator has two additional relays controlled from a main panel. These additional outputs can be used to control for example lighting, fans etc. This regulator can also be equipped with a galvanic isolated RS485 MODBUS ASCII / RTU interface that makes it possible to communicate with other devices and PC computers.

Temperature and Humidity Regulator

Inputs One temperature measurement input for resistance sensors, thermocouples and standard signal sensors
One humidity measurement input for standard signal sensors
Measurement resolution 0,1% of measurement range
Outputs Four relay outputs 5A/250VAC, resistance load
Communication interface RS485 MODBUS ASCII / RTU galvanic isolated
User interface 9 keys
LED display 3+2 digits - (red - temperature, blue - humidity, height – 14mm)
Alarms Range exceeded
Sensor damage
Power supply Voltage
Power consumption
230VAC, 24VAC, 12VAC, 8-35VDC
4VA
Enclosure and assembly Degree of protection Front IP54, total IP20
Operating temperature 0 - 60 ° C
Maximum humidity 80% without condensation
Weight 400g
Enclosure dimensions HxWxL (96x96x130mm)
Assembly slot size >HxW (91x91mm)
Maximum mounting plate thickness 8 mm


External connections
Temperature and Humidity Regulator - external connections

Input sensor type

Temperature Measurement input type
Code Sensor Range
1 Thermocouple J 0 - 800°C
2 Thermocouple K 0 - 1200°C
3 Thermocouple N 0 - 1300°C
4 Pt100 -200 - 750°C
5 0 - 1 V -------
6 0 - 10 V -------
7 0 - 20 mA -------
8 4 - 20 mA -------


Humidity measurement input type
Code Sensor Range
1 0 - 1 V -------
2 0 - 10 V -------
3 0 - 20 mA -------
4 4 - 20 mA -------

STW - X - X - X - X - X      
    |   |   |   |   | _ Power supply  
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      1: 230 VAC
2: 24 VAC
3: 12 VAC
4: 8 - 35 VDC
 
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    |   |   |   | _ _ _ Interface  
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          0: none
1: RS485 MODBUS
 
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    |   |   | _ _ _ _ _ Output type  
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              S: relay
N: voltage
 
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    |   | _ _ _ _ _ _ _ Hum. sensor type  
    |                   see table  
    |                      
    | _ _ _ _ _ _ _ _ _ Temp. sensor type  
                        see table  
                           
Ordering example:
STW-1-4-1-1
Regulator STW, temperature sensor–Pt100, humidity sensor 0-1 V,
communication interface RS485 MODBUS, power supply 230 VAC.
                           

Input sensor type

Temperature Measurement input type
Code Sensor Range
1 Thermocouple J 0 - 800°C
2 Thermocouple K 0 - 1200°C
3 Thermocouple N 0 - 1300°C
4 Pt100 -200 - 750°C
5 0 - 1 V -------
6 0 - 10 V -------
7 0 - 20 mA -------
8 4 - 20 mA -------


Humidity measurement input type
Code Sensor Range
1 0 - 1 V -------
2 0 - 10 V -------
3 0 - 20 mA -------
4 4 - 20 mA -------
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