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Home > Industrial Data Acquisition Systems > 4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
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4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System
4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System

4-20mA or 0-10V to Network Modbus TCP Mqtt Data Collection Module Mes System

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Product Description

4-20mA / 0-10V to Modbus TCP and MQTT Data Acquisition Module (WJ181)

The WJ181 product is an IoT and industrial Ethernet acquisition module that enables transparent data exchange between sensors and networks. The analog data from sensors can be forwarded to the network efficiently.

Basic Specifications
Model NO.WJ181
IntegrationGSI
Operating Temperature-40℃ to 85℃
Resolution12 Bit Accuracy
InstallationStandard DIN35 Rail
TechnicsSemiconductor IC
Dimensions106mm x 59mm x 37mm
Power Supply8~32VDC Wide Range
Product Features
1
Converts 4-20mA signal to standard Modbus TCP protocol.
2
Supports communication protocols such as TCP Server, UDP, and MQTT.
3
Built-in web page function for data querying and parameter configuration (IP, subnet mask).
4
High reliability with internal anti-reverse and overvoltage protection.
5
Low cost, small size, and modular design for easy application.
6
Adjustable AD conversion rate (2SPS to 100SPS).
WJ181 Module View 1 WJ181 Module View 2
Typical Applications
Signal Measurement & Monitoring MQTT Reporting Modbus TCP Network Acquisition Industrial Automation Control Intelligent Building Security MES System Equipment Monitoring Medical Product Development Sensor Signal Isolation
Model Selection Guide
Model Base Input Signal Type (U/A) Output Interface
WJ181 Voltage (U): 0-5V, 0-10V, 0-75mV, 0-2.5V, ±5V, ±10V
Current (A): 0-1mA, 0-10mA, 0-20mA, 4-20mA, ±20mA 		RJ45 Network Interface
Example 1: WJ181-A4-RJ45 (One 4-20mA input, RJ45 output)
Example 2: WJ181-U1-RJ45 (One 0-5V input, RJ45 output)
Module Banner
Technical Parameters
Accuracy 0.1% Input Resistance 150Ω (4-20mA), >200K (5/10V)
Temperature Drift ±50 ppm/℃ Bandwidth -3 dB 10 Hz
Response Time < 10 ms Power Consumption < 3W
Communication MODBUS TCP / MQTT / TCP Socket Isolation Built-in Transient Suppression
Technical Details 1 Technical Details 2
Frequently Asked Questions
Q1: What protocols are supported by the WJ181 module? The module supports standard MODBUS TCP protocol, MQTT protocol, and TCP socket character protocols for versatile industrial networking.
Q2: Can the module be configured without specialized software? Yes, the module has a built-in web server. Users can configure IP addresses, subnet masks, and other parameters directly through a standard web browser.
Q3: What is the input signal range for this device? It supports various analog inputs, including 4-20mA, 0-20mA, 0-5V, 0-10V, and differential signals. Specific ranges are determined by the model selection.
Q4: How is the module installed in an industrial cabinet? The WJ181 is designed for standard DIN35 rail installation, which is standard for most industrial control panels and centralized wiring systems.
Q5: Does the device offer any environmental protection? The module features a wide operating temperature range of -45 to +80 ℃ and includes internal surge protection, anti-reverse, and overvoltage protection circuits.
Q6: What is the data acquisition accuracy of the WJ181? The module provides 12-bit acquisition accuracy with a calibrated measurement accuracy of 0.1%.

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