Haiwell PLC User Manual

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Contents
Load Cell Module User Manual
1. Product Model List and Dimension .............................................................................................................................................. 3
2. Indicator Description .................................................................................................................................................................... 3
3. Power Supply Specification ......................................................................................................................................................... 3
4. Environmental Specification ......................................................................................................................................................... 4
5. Module Parameter Table .............................................................................................................................................................. 4
6. Load Cell Connections ................................................................................................................................................................. 4
7. Multiple-load-Cell Parallel Connections ....................................................................................................................................... 4
8. Terminal connection diagram ....................................................................................................................................................... 5
9. Module Parameter Table .............................................................................................................................................................. 5
10. Mounting and Installation ........................................................................................................................................................... 9
Load Cell Module Application Examples
1. Load Cell Modules Power Supply .............................................................................................................................................. 10
2. Load Cell Module Operation Procedure ..................................................................................................................................... 10
3. Hardware Configuration ............................................................................................................................................................. 11
4. Weight 16-bit/32-bit display switching..........................................................................................................................................11
5.Calibration method and program sample .................................................................................................................................... 11
6. Read Average-Weight and Real-time Weight ............................................................................................................................. 13
7. Adjustment for weighing stability and response speed............................................................................................................... 14
8. Gross Weight and Net Weight. ................................................................................................................................................... 16
9. Automatic peeling 2AH (Judge every 5S) .................................................................................................................................. 17
10. Weighing status ....................................................................................................................................................................... 17
11. Standstill check function ........................................................................................................................................................... 17
12. Zero point detection function .................................................................................................................................................... 18
13. Restore factory default parameters .......................................................................................................................................... 18
Two. Load Cell Module for remote IO
1. Load Cell Module power supply ................................................................................................................................................. 19
2. Communication interface introduction ........................................................................................................................................ 19
3. Communication protocol and default parameters....................................................................................................................... 19
4. When Module is used for remote IO, Module communication parameter configuration method is introduced as folllows ......... 19
5. Parameter configuration example: configuring the Module through programming software “remote Module tool”. ................... 19
6. Examples of remote IO applications: reading Module real-time weight ...................................................................................... 21
7. Examples of remote IO applications: calibration ........................................................................................................................ 21

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)