Struggling to integrate precise, reliable weight or pressure data into your industrial automation systems or custom embroidery setups? The accuracy of your production processes hinges on dependable sensor feedback. Without a robust, easily configurable interface, achieving consistent quality and efficient operation can be a constant battle.

The 360 Digitizing Shop WG18A02 RS485 Modbus RTU HX711 Pressure Weight Sensor Module is engineered to solve these challenges, providing a high-precision, flexible solution for acquiring critical weight data. This 5-piece pack ensures you have multiple units ready for deployment across various points in your workflow, empowering you to monitor and control processes with confidence.

At its core, the WG18A02 module utilizes the renowned HX711 24-bit ADC (Analog-to-Digital Converter), specifically designed for electronic scales and industrial control. This dedicated chip ensures extremely accurate and stable weight measurements by converting the minute analog signals from a load cell into digital data with exceptional resolution. Its integration with the Modbus RTU protocol via either RS485 or TTL232 interface makes it a universal fit for communication with PLCs (Programmable Logic Controllers) and other industrial control systems. The ability to configure parameters like sampling rate (10Hz or 40Hz), baud rate, division value, zero-chasing range, and various filters (median, average, dynamic tracking) directly within the module means you can fine-tune its performance to perfectly match the demands of your specific application, minimizing noise and maximizing data integrity. This thoughtful design allows for up to 247 devices to operate in parallel on a single Modbus network, offering immense scalability for complex systems.

Unlock New Capabilities Across Your Operations

This versatile WG18A02 module is ideal for a wide range of applications requiring accurate weight or pressure sensing, including:

• Industrial Automation: Integrating precise material weighing into production lines, packaging, or sorting systems.
• Custom Embroidery Setups: Monitoring thread tension, fabric weight, or material dispensing for consistent quality.
• Electronic Scales: Building or upgrading high-precision digital scales for various uses.
• PLC Configuration Software: Seamlessly connecting to and managing sensor data within your existing control infrastructure.
• Process Control: Implementing feedback loops for dosing, mixing, or level monitoring.
• Quality Control: Ensuring product weight consistency in manufacturing.

Technical Specifications for Dependable Performance

• Working Voltage: 5V (5V version), 8-16V (12V version)
• Working Current: 12-15MA
• Communication Protocol: MODBUS RTU (supports 03, 06, 16 function codes)
• Interface Options: RS485 / TTL232
• Sensor Model: HX711, 24-bit ADC
• Load Cell Input Signal Range: ±20mv
• Sampling Rate: 10HZ or 40HZ (settable)
• Default Baud Rate: 9600 N 8 1 (baud rate and parity bit optional)
• Parallel Devices: Up to 247 devices in MODBUS RTU command mode
• Dimensions: 45*16.5*6.2mm
• Weight: 4 grams (per module)

This module is designed for broad compatibility with various load cells and industrial control systems. For specific integration questions or to confirm suitability with your existing equipment, please contact us with your machine model and setup details, and our experts will gladly assist you.

Quality You Can Trust, Every Time

At 360 Digitizing Shop, we understand that precision and reliability are non-negotiable. That’s why every single WG18A02 module is rigorously function-tested before it leaves our facility. This meticulous pre-shipment inspection ensures that defective units are never sent, saving you valuable time and preventing project delays. In the rare event that a defective item somehow arrives, rest assured that your investment is protected: we offer a full refund within 4 days under our comprehensive buyer protection policy, making your purchase completely risk-free. Equip your operations with components built for performance and backed by our commitment to your satisfaction.

Frequently Asked Questions

What is the primary function of the WG18A02 module?
It’s a high-precision weight and pressure sensor interface module that converts analog signals from load cells into digital data using an HX711 24-bit ADC, communicating via RS485 Modbus RTU or TTL232 for integration with PLCs and automation systems.

What communication protocols does this module support?
The module supports the MODBUS RTU protocol, communicating through either an RS485 interface or a TTL232 interface, making it compatible with a wide range of industrial control devices.

Can I connect multiple WG18A02 modules to a single system?
Yes, in MODBUS RTU command mode, up to 247 WG18A02 devices can be used in parallel on a single network, allowing for scalable multi-point sensing solutions.

How do I ensure this module is compatible with my specific load cell or PLC?
The module is designed for broad compatibility. We recommend confirming your load cell’s signal output (±20mv range) and your PLC’s communication capabilities (RS485 Modbus RTU or TTL232). For specific fitment questions, please contact us with your machine model and setup details.

What is included in this purchase?
This purchase includes 5 pieces of the WG18A02 DC 5V/12V RS485 UART Modbus RTU HX711 Pressure Weight Sensor Electronic Scale Module.

What quality assurance measures are in place for these modules?
Every WG18A02 module is rigorously function-tested before shipping to ensure it is free from defects. If a defective item arrives, you are eligible for a full refund within 4 days under our buyer protection policy.

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