Switch Input a-Type Relay Output RS-485 Remote I/O Module Sensor Signal

• Customization: Available
• Theory: Reed Relay
• Usage: Household Appliances Relay
• Model NO.: WJ71-RS485
• Phase: 1
• Electricity Type: Ac
• Number of Pole: 1
• Load: High Power Relay
• Protective Characteristics: Open Relay
• Action Principle: Rectifier Type
• Size: Subminiature
• Type: Electric Parameter Relay
• Typical Applications: Level Signal Measurement, Monitoring, and Control
• Typical Applications1: RS-485 Remote I/O, Data Acquisition
• Typical Applications2: RS-232/485 Bus Industrial Automation Control Syste
• Typical Applications3: Industrial Site Signal Isolation and Long-Distance
• Typical Applications4: Equipment Operation Monitoring and Control
• Typical Applications5: Acquisition and Recording of Industrial Field Data
• Product Features: Three Way Switch Input, Ten Way Relay Output
• Product Features1: The Output Relay Status Can Be Set Through The RS-
• Transport Package: Wayjunr
• Specification: 120 x 70 x 43mm
• Trademark: wayjunr
• Origin: Guangdong, China
• Production Capacity: 9999
• Package Size: 20.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 0.200kg

Product Description

Three DI and ten DO relay outputs, RS-485/232 remote I/OmoduleWJ71

Product features:

Three way switch input, ten way relay output

The input level status can be read through the RS-485/232 interface
The output relay status can be set through the RS-485/232 interface
Three isolation between signal input, output, and power supply
Three inputs have a common terminal, and ten outputs are isolated from each other
Wide power supply range: 8~32VDC
High reliability, easy programming, and easy application
Standard DIN35 rail installation, convenient for centralized wiring
Users can program module addresses, baud rates, etc
Supports Modbus RTU communication protocol and automatic recognition protocol
Low cost, small size, modular design
Dimensions: 120 x 70 x 43mm
Typical applications:
Level signal measurement, monitoring, and control WJ71
RS-485 remote I/O, data acquisition
Intelligent building control, security engineering and other application systems
RS-232/485 bus industrial automation control system
Industrial site signal isolation and long-distance transmission
Equipment operation monitoring and control
Measurement of sensor signals
Acquisition and recording of industrial field data

Product selection:	WJ71
	Communication interface
	485: Output as RS-485 interface
	232: Output as RS-232 interface
Selection Example 1: Model: WJ71-232 indicates that the communication interface is RS-232	Selection Example 2: Model: WJ71-485 indicates that the communication interface is RS-485

Company Profile

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

WJ71 General Parameters:

Function Introduction:

(Typical @+25 ℃, Vs is 24VDC)
Input type: switch input, 3-channel (DI0~DI2). Low level: Input<1V
High level: Input 4~30V

Input resistance: 3K Ω
Output type: A-type relay output, 10 channels (DO0~DO9). Normally open output. Contact load capacity: 5A 250VAC/30VDC. Contact form: 1H
Maximum switching voltage: 250VAC/30VDC
Maximum switching current: 5A
Maximum switching power: 1250VA/150W
Communication: RS-485 or RS-232 standard character protocol and MODBUS RTU communication protocol
Baud rates (2400, 4800, 9600, 19200, 38400, 57600, 115200bps) can be selected by software
The address (0-255) can be selected by software
Communication response time: 100 ms maximum
Working power supply:+8~32VDC wide power supply range, with internal anti reverse and overvoltage protectioncircuits
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)
Isolation and voltage resistance: 3 isolates between input and output power supplies, with an isolationvoltageof1500VAC
Dimensions: 120mm x 70mm x 43mm

The WJ71 remote I/O module can be used to measure four switch signals and has four relay signal outputs. 1, Switching signal input and output
Three channel switch signal input, capable of connecting dry contacts and wet contacts. Please refer to thewiringdiagram for details; Ten relay normally open contact output. 2, Communication Protocol
Communication interface: 1 standard RS-485 communication interface or 1 standard RS-232 communicationinterface, please specify when ordering and selecting. Communication Protocol: Supports two protocols, the character protocol defined by the command set andtheMODBUS RTU communication protocol. The module automatically recognizes communicationprotocols and can achieve network communication with various brands of PLCs, RTUs, or computermonitoring systems. Data format: 10 digits. 1 start bit, 8 data bits, and 1 stop bit. The communication address (0-255) and baud rate (2400, 4800, 9600, 19200, 38400, 57600, 115200bps) canbeset;The communication network can reach a maximum distance of 1200 meters and is connectedthroughtwisted pair shielded cables. High anti-interference design of communication interface, ± 15KV ESD protection, communication responsetimeless than 100mS. 3, anti-interference
Checksums can be set as needed. There is a transient suppression diode inside the module, which caneffectivelysuppress various surge pulses and protect the module

FAQ

Q: How to contact you?
A: Please contact us via email or online customer service