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Haiwell PLC - Temperature & Humidity Module User Manual
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25H~28H
A/D data bit of channel 1~4
34H
Configuration number of channel 1
29H~2CH
Zero point correction of channel 1~4
35H
Configuration number of channel 2
2DH
Sensor disconnection alarm of channel 1~4, each bit
indicates 1 channel, 0- normal, 1- disconnection
36~75H
Serial numbers in 1~16 path of channel 1, each serial
number occupies 4 registers
2EH~2FH
Reserve
76~B5H
Serial numbers in 1~16 path of channel 2, each serial
number occupies 4 registers
30H-3FH
Serial numbers of channel 1~4, each serial number
occupies 4 registers
B6~C5H
Reserve
40H-4FH
Reserve
C6H
Channel 1 clears the power-off counts in the configuration
C7H
Channel 2 clears the power-off counts in the configuration
8.2 Parameter table for 4-channel thermal resistance and thermocouple modules
Note: CR code is corresponding to the Modbus register address, the gray parts are read-only ,the white parts are readable and
writable.
CR code
Function description
H04RC
H04TC
00H
Low byte for module code, and high byte for module version number
01H
Communication address
0
2
H
Communication protocol: The low 4-bit of the low byte: 0 - N,8,2 For RTU
，
1 - E,8,1 For RTU
，
2 - O,8,1 For RTU
，
3 - N,7,2 For ASCII
，
4 - E,7,1 For ASCII
，
5 - O,7,1 For ASCII
，
6 - N,8, 1 For RTU
The high 4-bit of the low byte: 0 – 2400
，
1 – 4800
，
2 – 9600
，
3 – 19200
，
4 – 38400
，
5 – 57600
，
6 - 115200
03H~06H
Module name
07H~08H
Default IP address: 192.168.1.111
09~0AH
Reserve
0BH
High byte subnet mask
（
b3~b0,1 indicates 255, 0 indicates 0, for example, subnet mask 255.255.255.0, b3~b0=1110
）
, low byte reserved
0CH-0EH
Reserve
0FH
Error code: 0-Normal, 1-Illegal firmware identity, 2-Incomplete firmware, 3-System data access exception, 4-No external 24V power
supply
10H
channel 1 input value
channel 1 input value
11H
channel 2 input value
channel 2 input value
12H
channel 3 input value
channel 3 input value
13H
channel 4 input value
channel 4 input value
14H
channel 1 signal type, note 2
channel 1 signal type, note 3
15H
channel 2 signal type, note 2
channel 2 signal type, note 3
16H
channel 3 signal type, note 2
channel 3 signal type, note 3
17H
channel 4 signal type, note 2
channel 4 signal type, note 3
18H
Use the engineering value mark, note 5
Use the engineering value mark, note 5
19H
channel 1 engineering lower limiting value
channel 1 engineering lower limiting value
1AH
channel 2 engineering lower limiting value
channel 2 engineering lower limiting value
1BH
channel 3 engineering lower limiting value
channel 3 engineering lower limiting value
1CH
channel 4 engineering lower limiting value
channel 4 engineering lower limiting value
1DH
channel 1 engineering upper limiting value
channel 1 engineering upper limiting value
1EH
channel 2 engineering upper limiting value
channel 2 engineering upper limiting value
1FH
channel 3 engineering upper limiting value
channel 3 engineering upper limiting value
20H
channel 4 engineering upper limiting value
channel 4 engineering upper limiting value
21H
channel 1 sampling frequency, note 1
channel 1 sampling frequency, note 1
22H
channel 2 sampling frequency, note 1
channel 2 sampling frequency, note 1
23H
channel 3 sampling frequency, note 1
channel 3 sampling frequency, note 1
24H
channel 4 sampling frequency, note 1
channel 4 sampling frequency, note 1
25H
channel 1 zero point correction value
channel 1 zero point correction value
26H
channel 2 zero point correction value
channel 2 zero point correction value
27H
channel 3 zero point correction value
channel 3 zero point correction value
28H
channel 4 zero point correction value
channel 4 zero point correction value
29H
Channel 1~4 input disconnection alarm, note 4
Channel 1~4 input disconnection alarm, note 4
2AH
Reserve
Reserve
2BH~2FH
