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Kaiterra

www.kaiterra.com

Kaiterra Square
Modbus User Manual

MARCH 2022

Содержание Square

Страница 1: ...Kaiterra www kaiterra com Kaiterra Square Modbus User Manual MARCH 2022 ...

Страница 2: ...e Modbus supports communication to and from multiple devices connected to the same cable or Ethernet network The Kaiterra Square provides Modbus RTU support via the RS 485 port on the device Kaiterra Square can still upload data to the cloud via Wi Fi or Ethernet when Modbus is used for local communication Note Before setting up Modbus for your Kaiterra Square please make sure your device is runni...

Страница 3: ...ble is disconnected and follow the steps in the Kaiterra Square Installation Guide to insert the RS 485 communication cables into the pins and fasten the screws Pin A is for Cable A in RS 485 and Pin B is for Cable B in RS 485 Connect the power to turn on the device B Prepare for Configuration Download the Kaiterra Enterprise Configuration Tool and install it on your computer or smartphone After t...

Страница 4: ...ise Configuration Tool The device address is used to identify the device in the system so please make sure each device is given a unique device address Customize your device address by entering an address from 1 to 247 in the address field in the Kaiterra Enterprise Configuration Tool It is recommended to set your device address onsite during or right after installation so that you can keep track ...

Страница 5: ...the Modbus communication so that you can integrate the information into your local system Choose the AQI standard from the drop down menu in the Kaiterra Enterprise Configuration Tool and select the pollutants used for the AQI calculation Please note that only the pollutants monitored by your device can be included in the calculation Please consult the facility manager or other responsible personn...

Страница 6: ...mands 1 Read Input Register 0x04 command 01 04 00 00 00 05 30 09 to read all input register 2 Write single Register 0x06 command 01 06 00 00 00 02 08 0B to set the modbus address to 0x02 3 Read holding Register 0x03 command 01 03 00 00 00 02 C4 0B to read all holding register Data format Address Function Data Error check Data length 1 1 N 16 digit CRC code Cyclic Redundancy Check ...

Страница 7: ...0 0 Input register 3 Humidity R 0 0 100 RH Input register 4 CO2 R 0 9999 ppm Input register 5 PM10 R 0 999 ug m3 Input register 6 HCHO R 0 2000 ppb Input register 7 CO R 0 0 500 0 ppm Input register 8 O3 R 0 0 100 0 ppm Input register 9 Reserved R Input register 10 Reserved R Input register 11 Reserved R Input register 12 Reserved R Input register 13 Reserved R Input register 14 AQI R 0 500 ...

Страница 8: ...0 Modbus address code R W Min 1 Max 247 Other features could be customized upon requests Temperature is in absolute temperature T k 273 15 t celsius Temperature and humidity have resolution of 0 1 the transmitted data is 10 times of the raw data ...

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