Haiwell PLC User Manual & Application Case

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10. Module Parameter Table
(CR code is corresponding to the Modbus register address)
4-channel analog module parameter table
Note: CR code is corresponding to the Modbus register address, the ray parts are read-only ,the white parts are readable and
writable.
CR code
Function description
S04AI
S04AO
S04XA
00H
Low byte for module code, and high byte for module version number.
01H
Communication address
02H
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 output value
input channel 1 input value
11H
channel 2 input value
channel 2 output value
input channel 2 input value
12H
channel 3 input value
channel 3 output value
input channel 1 signal type, note 2
13H
channel 4 input value
channel 4 output value
input channel 2 signal type, note 2
14H
channel 1 signal type, note 2
channel 1 signal type, note 2
Use the engineering value mark, note 6
15H
channel 2 signal type, note 2
channel 2 signal type, note 2
input channel 1 engineering lower limiting value
16H
channel 3 signal type, note 2
channel 3 signal type, note 2
input channel 2 engineering lower limiting value
17H
channel 4 signal type, note 2
channel 4 signal type, note 2
input channel 1 engineering upper limiting value
18H
Use the engineering value mark, note 6
Use the engineering value mark, note 6
input channel 2 engineering upper limiting value
19H
channel 1 engineering lower limiting
value
channel 1 engineering lower limiting
value
input channel 1 sampling frequency, note 1
1AH
channel 2 engineering lower limiting
value
channel 2 engineering lower limiting
value
input channel 2 sampling frequency, note 1
1BH
channel 3 engineering lower limiting
value
channel 3 engineering lower limiting
value
input channel 1 zero point correction value
1CH
channel 4 engineering lower limiting
value
channel 4 engineering lower limiting
value
input channel 2 zero point correction value
1DH
channel 1 engineering upper limiting
value
channel 1 engineering upper limiting
value
Channel 1~2 input disconnection alarm, note 5
1EH
channel 2 engineering upper limiting
value
channel 2 engineering upper limiting
value
output channel 1 output value
1FH
channel 3 engineering upper limiting
value
channel 3 engineering upper limiting
value
output channel 2 output value
20H
channel 4 engineering upper limiting
value
channel 4 engineering upper limiting
value
output channel 1 signal type, note 2
21H
channel 1 sampling frequency, note 1
power-off output mark, note 8
output channel 2 signal type, note 2
22H
channel 2 sampling frequency, note 1
channel 1 power-off output value
Use the engineering value mark, note 6
23H
channel 3 sampling frequency, note 1
channel 2 power-off output value
output channel 1 engineering lower limiting value
24H
Channel 4 sampling frequency, note 1
channel 3 power-off output value
output channel 2 engineering lower limiting value
25H
channel 1 zero point correction value
channel 4 power-off output value
output channel 1 engineering upper limiting value
26H
channel 2 zero point correction value
Channel indicator status, note 7
output channel 2 engineering upper limiting value
27H
channel 3 zero point correction value
Reserve
power-off output mark, note 8
28H
channel 4 zero point correction value
output channel 1 power-off output value
29H
Channel 1~4 input disconnection
alarm, note 5
output channel 2 power-off output value
2AH
Reserve
output channel indicator, note 7
2BH~2FH
Reserve
8-channel analog module parameter table
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
S08AI
S08AO
S08XA
00H
Low byte for module code, and high byte for module version number.
01H
Communication address
02H
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 bytes: 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-Illegally firmware identity, 2-Incomplete firmware, 3-System data access exception, 4-No external 24V power
supply
10H
channel 1 input value
channel 1 output value
input channel 1 input value

Haiwell PLC Specifications

General

Series	Haiwell PLC
Programming Language	Function Block Diagram
Communication Ports	RS232, RS485, Ethernet
Digital Inputs	Varies by model (e.g., 8, 16, 32)
Digital Outputs	Varies depending on the model (e.g., 8, 16)
Analog Inputs	Varies by model (e.g., 4, 8)
Analog Outputs	Varies by model (e.g., 2, 4)
Power Supply	24V DC
Real-Time Clock (RTC)	Yes
Expansion Modules	Yes, supports various expansion modules for I/O, communication, and special functions
Input Voltage	24V DC
Data Memory	Varies depending on the model
Humidity Range	5% to 95% (non-condensing)