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MIW-RXTH-RU-000 - 20 / 01 / 2016 9 - 10
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ТАБЛИЦЫ РЕГИСТРОВ MODBUS
INPUT REGISTERS
Data type Description Data Values
1Temperature level signed int. Actual temperature level 500 = 50,0 °C
2Relative humidity level unsigned int. Actual relative humidity level 1.000 = 100,0 % rH
3Dew point signed int. Calculated dew point 200 = 20,0 °C
4-10 Reserved, returns 0
11 Temperature output value signed int. Value of the analogue output for temperature - Ao1 0—1.000 0 =
1.000 =
0 %
100 %
12 Relative humidity output value signed int. Value of the analogue output for relative humidity - Ao2 0—1.000 0 =
1.000 =
0 %
100 %
13 Temperature relay status signed int. Status of the relay for temperature. When it is On, the contact between COM1 and NO1 is closed. 0—1 0 =
1 =
Off
On
14 Relative humidity relay status signed int. Status of the relay for relative humidity. When it is On, the contact between COM2 and NO2 is closed. 0—1 0 =
1 =
Off
On
15 Temperature range signed int. Temperature working range selected by jumper or a holding register 1—5
1 =
2 =
3 =
4 =
5 =
0—30 °C
10—40 °C
20—50 °C
0—50 °C
Custom
16 Relative humidity range signed int. Relative humidity working range selected by jumper or holding register 1—5
1 =
2 =
3 =
4 =
5 =
20—90 % rH
0—60 % rH
0—80 % rH
0—100 % rH
Custom
17 Temperature setpoint signed int. Temperature setpoint selected by trimmer or holding register 0—500 250 = 25,0 °C
18 Relative humidity setpoint signed int. Relative humidity setpoint selected by trimmer or holding register 0—1.000 500 = 50,0 % rH
19 Temperature hysteresis signed int. Hysteresis for temperature relay switching 20 = 2,0 °C
20 Relative humidity hysteresis signed int. Hysteresis for relative humidity relay switching 50 = 5,0 % rH
21 Temperature setpoint out of
range signed int. Flag that shows if the temperature setpoint is out of the working range 0—1 0 =
1 =
No
Yes
22 Relative humidity setpoint out
of range signed int. Flag that shows if the relative humidity setpoint is out of the working range 0—1 0 =
1 =
No
Yes
23-29 Reserved, returns 0
30 Sensor communication lost unsigned int. Flag that shows if the communication with the sensor module is lost 0—1 0 =
1 =
No
Yes
HOLDING REGISTERS
Data type Description Data Default Values
1Device slave address unsigned int. Modbus device address 1—247 1
2Modbus baud rate unsigned int. Modbus communication baud rate 1—4 2
1 =
2 =
3 =
4 =
9.600
19.200
38.400
57.600
3Modbus parity mode unsigned int. Parity check mode 0—2 1
0 =
1 =
2 =
8N1
8E1
8O1
4Device type unsigned int. Device type (Read only) RXTHX = 1021
5HW version unsigned int. Hardware version of the device (Read only) XXXX 0 x 0110 = HW version 1.10
6FW version unsigned int. Firmware version of the device (Read only) XXXX 0x0120 = FW version 1.20
7Operating mode unsigned int. Enables Modbus control and disables the jumpers and trimmers 0—1 00 =
1 =
Standalone mode
Modbus mode
8Output overwrite unsigned int. Enables the direct control over the outputs. Always settable. Active only if
holding register 7 is set to 1. 0—1 00 =
1 =
Disabled
Enabled
9-10 Reserved, returns 0
11 Temperature range signed int. Selects the temperature working range. Always settable. Active only if
holding register 7 is set to 1. 1—5 1
1 =
2 =
3 =
4 =
5 =
0—30 °C
10—40 °C
20—50 °C
0—50 °C
Custom
12 Relative humidity range signed int. Selects the relative humidity working range. Always settable. Active only
if holding register 7 is set to 1. 1—5 1
1 =
2 =
3 =
4 =
5 =
20—90 % rH
0—60 % rH
0—80 % rH
0—100 % rH
Custom
13 Minimum custom temperature
range signed int. Minimum value of the custom temperature range. Always settable. Active
only if holding register 7 is set to 1 and register 11 is set to 5. 0—Max 0100 = 10,0 °C
14 Maximum custom temperature
range signed int. Maximum value of the custom temperature range. Always settable. Active
only if holding register 7 is set to 1 and register 11 is set to 5. Min—500 500 500 = 50,0 °C
15 Minimum custom relative
humidity range signed int. Minimum value of the custom relative humidity range. Always settable.
Active only if holding register 7 is set to 1 and register 12 is set to 5. 0—Max 0 200 = 20,0 % rH
16 Maximum custom relative
humidity range signed int. Maximum value of the custom relative humidity range. Always settable.
Active only if holding register 7 is set to 1 and register 12 is set to 5. Min—1.000 1.000 1.000 = 100,0 % rH
17 Temperature setpoint signed int. Selects the setpoint for the temperature relay switching. Always settable.
Active only if holding register 7 is set to 1. 0—500 250 250 = 25,0 °C
18 Relative humidity setpoint signed int. Selects the setpoint for the relative humidity relay switching. Always
settable. Active only if holding register 7 is set to 1. 0—1.000 500 500 = 50,0 % rH
19-20 Reserved, returns 0
21 Temperature output overwrite
value signed int. Overwrite value for the temperature analogue output. Always settable.
Active only if holding registers 7 and 8 are set to 1. 0—1.000 00 =
1.000 =
0 %
100 %
22 Relative humidity output
overwrite value signed int. Overwrite value for the relative humidity analogue output. Always
settable. Active only if holding registers 7 and 8 are set to 1. 0—1.000 00 =
1.000 =
0 %
100 %
23-30 Reserved, returns 0
Если хотите узнать больше о протоколе обмена данных Modbus пожалуйста, посетите http://www.modbus.org/docs/Modbus_over_serial_line_V1_02.pdf
RXTH КОМНАТНЫЙ ДАТЧИК / ПЕРЕКЛЮЧАТЕЛЬ
ТЕМПЕРАТУРЫ И ОТН. ВЛАЖНОСТИ