www.haiwell.com Haiwell PLC - Temperature & Humidity Module User Manual
Contents
Temperature & Humidity Module Use Manual
1. Product model list and dimension.................................................................................................................................................................. 3
2. Indicator description......................................................................................................................................................................................... 4
3. Power supply specification..............................................................................................................................................................................4
4. Environmental specifications for product......................................................................................................................................................4
5. Main parameters for modules.........................................................................................................................................................................5
5.1 Main parameters for digital temperature and humidity modules................................................................................................... 5
5.2 Main parameters for thermal resistance and thermocouple modules.......................................................................................... 5
6. Wiring diagram..................................................................................................................................................................................................5
6.1 Digital temperature and humidity module: Single / multiple DS18B20, RW1820, DS1990 sensor input wiring diagram.... 5
6.2 Thermal resistance and thermocouple module wiring diagram.....................................................................................................6
7. Terminal wiring diagram...................................................................................................................................................................................6
8. Module parameter table（CR code is corresponding to the Modbus register address）.................................................................... 6
8.1 Parameter table for digital temperature and humidity modules.....................................................................................................6
8.2 Parameter table for 4-channel thermal resistance and thermocouple modules......................................................................... 7
8.3 Parameter table for 8-channel thermal resistance and thermocouple modules......................................................................... 8
9. Expansion modules installation......................................................................................................................................................................9
Temperature & Humidity modules Application Case
1. Expand module through the host PLC parallel port..................................................................................................................................10
1.1 Module power supply...................................................................................................................................................................... 10
1.2 Temperature modules need't be written any conversion program, read the current temperature value directly when
access the sensor......................................................................................................................................................................................10
1.3 Programming skills for PLC............................................................................................................................................................ 11
1.5 Default for using engineering, when the engineering value is not used, the default code value is 0 ~ 32000................. 11
1.6 Module CR code application example: Read module channel disconnection alarm............................................................ 12
2. Module used as remote IO........................................................................................................................................................................... 12
1.1 Module power supply...................................................................................................................................................................... 12
1.2 Communication port introduction...................................................................................................................................................12
1.3 Communication protocols and default parameters.....................................................................................................................12
1.4 Introduce module parameter configuration method when the module is used as remote IO..............................................13
1.5 Parameter configuration example: Configurate module by programming software remote module tool...........................13
1.6 Remote IO appliciation example(RS485 mode): PLC reads 4-channel temperature value of H04RC module............... 15
1.7 Remote IO appliciation example (Ethernet mode): PLC reads and writes every channel input values of H08RC-e
module.........................................................................................................................................................................................................15
1.8 Remote IO appliciation example: Haiwell Cloud configuration communicates directly with H08TC module....................16
1.9 H04DT module usage features introduction................................................................................................................................ 17
1.10 H32DT module usage features introduction..............................................................................................................................18
FAQ for H32DT module..................................................................................................................................................................................... 21
