Basic Info.
Type
Current Input/Voltage Input
Output Signal Type
Modbustcpand Mqtt
Production Process
Integration
Application
Hard-Switching
Advantage
Low Cost, Small Size, Modular Design
Product Features
Convert 4-20mA Signal to Standard Modbus TCP Proto
Input Type
Current Input/Voltage Input
Interface
Rj-45 Network Interface
Specification
106 mm x 59mm x 37mm
Product Description
4-20mAor0-10V to network ModbusTCPand MQTTdata acquisition module
WJ181
Product features:
Convert 4-20mA signal to standard Modbus TCP protocol
Supports communication protocols such as TCP Server, UDP, MQTT, etc
Built in web page function, data can be queried through web pages
Wide power supply range: 8~32VDC
High reliability, easy programming, and easy application
Standard DIN35 rail installation, convenient for centralized wiring
Users can set module IP addresses and other parameters on the webpage
Low cost, small size, modular design
Dimensions: 106 mm x 59mm x 37mm
Typical applications:
Signal measurement, monitoring, and MQTT reporting
Modbus TCPnetwork, data acquisition
Intelligent building control, security engineering and other application systems
Industrial automation control system
Industrial site signal isolation and long-distance transmission
Equipment operation monitoring, MES system
Measurement of sensor signals
Acquisition and recording of industrial field data
Development of medical and industrial control products
4-20mAor 0-5V signal acquisition
Product model: | WJ181- U(A) -RJ45 |
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Communication interface
RJ45: Output as RJ-45 network interfac | Input voltage or current signal value
U1:0-5V
A1:0-1mA
U2:0-10V
U3:0-75mV
U4:0-2.5V
U5:0-±5V
U6:0-±10V
U7:0-±100mV
A2:0-10mA
A3:0-20mA
A4:4-20mA
A5:0-±1mA
A6:0-±10mA
A7:0-±20mA
U8: User defined A8: User defined | Selection Example 1: Model: WJ181-A4-RJ45 represents one 4-20mA signal input and an RJ-45 network interface
output
Selection Example 2: Model: WJ181-U1-RJ45 represents one 0-5V signal input, and the output is an RJ-45 network
interface |
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Shenzhen Weijunrui Technology Co., Ltd
Since: 2011
Specialty: The company's main products include analog acquisition modules, signal isolators/conversion modules, and signal transmitters
Capacity: Produce 10000 per month
Advanced Features:
Switching to TCP/network/remote IO module, Modbus RTU to TCP, RS232/485 to Ethernet, analog signal (current/voltage/thermistor/frequency/displacement/speed/pulse) isolation transmitter, mV differential signal amplifier, isolation amplifier, micro power DC-DC module power supply, etc
WJ181 General Parameters:
(Typical @+25 ℃, Vs is 24VDC)
Input type: current input/voltage input
Accuracy: 0.1%
Temperature drift: ± 50 ppm/℃ (± 100 ppm/℃, maximum)
Input resistance: 150 Ω (4-20mA/0-20mA/0- ± 20mA current input)
300 Ω (0-10mA/0- ± 10mA current input)
1.5K Ω (0-1mA/0- ± 1mA current input)
Greater than 200K (5V/10V voltage input)
Greater than 1M Ω (input voltage below 2.5V)
Bandwidth:-3 dB 10 Hz
Conversion rate: 16FPS (factory default value, users can modify the conversion rate on the webpage.)
You can set the AD conversion rate to 2SPS, 4SPS, 8SPS, 16SPS, 32SPS, 50SPS, 80SPS, 100SPS by sending
commands
Common moderejection (CMR): 120 dB (1k Ω Source Imbalance @ 50/60 Hz)
Normal mode suppression (NMR): 60 dB (1k Ω Source Imbalance @ 50/60 Hz)
Input protection: overvoltage protection, overcurrent protection
Communication: MODBUS TCP communication protocol or TCP socket character protocol or MQTT protocol
Webpage: Supports web access module and web page setting module parameters.
Interface: RJ-45 network interface.
Communication response time: 10 ms maximum
Working power supply:+8~32VDC wide power supply range, with internal anti reverse and overvoltage protection
circuits
Power consumption: less than 3W
Working temperature:-45~+80 ℃
Working humidity: 10~90% (no condensation)
Storage temperature:-45~+80 ℃
Storage humidity: 10~95% (no condensation)
Dimensions: 106 mm x 59mm x 37mm
Q: How to contact you?
A: Please contact us via email or online customer service
Address:
312 Xingyue building, Dalang, Longhua, Shenzhen, Guangdong, China
Business Type:
Manufacturer/Factory
Business Range:
Electrical & Electronics
Company Introduction:
Shenzhen WAYJUN Industrial Automation designs A/D and D/A Data Acquisition Module, digital signal DI/DO module, analog signal isolated converter, signal conditioners, 4-20mA current signal splitter, isolated amplifier(RTD/current/voltage/frequency/speed/potentiometer/pulse), Min-power DC DC converters. Our products also carry the CE approval for safety. WAYJUN′s products are widely used in the industry power fields of control, electric power, electronic instrument, medical electronic, rail transit, communication, telecom, automation, Medical and Test & Measurement.
