RS232/RS485 Signal to Analog Signal Isolation D/a Conversion Module 4-20mA/0-5V

• Customization: Available
• Conductive Type: Unipolar Integrated Circuit
• Integration: Standard DIN35 Rail Installation
• Model NO.: WJ31
• Output Type: Voltage Output
• Resolution: 8 Bit
• Shape: DIP
• Technics: Semiconductor IC
• Features: RS-485/232 Interface, Isolation Convert Standard a
• Features1: Analog Signal Output Accuracy Is Better Than 0.2%
• Features2: Can Calibrate Module Output Accuracy
• Features3: High Reliability, Easy Programming, Easy to Instal
• Features4: User-Programmable Settings Module Address, Baud Ra
• Features5: Set The Host to Read The Wj21 Product Data to The
• Features6: Supports Modbus RTU Protocol
• Wide Supply Range: 8 ~ 32VDC
• Typical Application: Standard Analog Signal Output
• Typical Application1: Intelligent Building Control, Security and Enginee
• Typical Application2: RS-232/485 Industrial Automation Control System
• Transport Package: Wayjunr
• Specification: 106.7mm x 79mm x 25mm
• Trademark: wayjunr
• Origin: Guangdong, China
• Production Capacity: 9999

Product Description

RS485/232 to Analog Signal Converter
 (D/A Converter,WJ31 series) 

Features:
>> RS-485/232 interface, isolation convert standard analog signal output
>> Analog signal output accuracy is better than 0.2%
>> Can calibrate module output accuracy
>> Signal output / communication interface isolation voltage
 3000VDC
>> Wide supply range: 8 ~ 32VDC
>> High reliability, easy programming, easy to install and wiring
>> User-programmable settings module address, baud rate, etc.
>> set the host to read the WJ21 product data to the remote collection
>> Supports Modbus RTU protocol
>> DIN35 Rail-mounted
Typical Application:
>> Standard analog signal output
>> Intelligent building control, security and engineering applications
>> RS-232/485 industrial automation control system
>> Industrial control signal isolation and long-term transmission
>> Equipment debug and control
>> Sensor signal remote transmission
>> Implementation of the industrial field data given
>> Medical, industrial products development
>> 4-20mA signal output

Product Selection:	WJ31   – U(A)
Interface	Output Voltage or Current Signal
485:Input is RS-485 interface U1:0-5V A1:0-1mA 232:Input is RS-232 interface	U1:0-5V                        A1:0-1mA U2:0-10V                     A2:0-10mA  U3:0-75mV                A3:0-20mA  U4:0-2.5V                  A4:4-20mA  U5:0-±5V                   A5:0-±1mA  U6:0-±10V                 A6:0-±10mA  U7:0-±100mV           A7:0-±20mA  U8:user-defined       A8:user-defined
Sample 1: part No.:WJ31 485-A4 Input is RS485 interface, 4-20mA signal output	Sample 1: part No.:WJ31 232-U1 Input is RS-232 interface ,0-5V signal output

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

General parameters:

Function Description:

 (typical @ +25 ℃, Vs to 24VDC)
 Output type: current / voltage signal
 Accuracy: 0.2%

Output maladjustment: current output ± 0.5 uA / ° C, voltage output of ± 0.1 mV / ° C
Temperature drift:± 20 ppm / ℃ (± 30 ppm / ℃, maximum)
Output load capacity: current output 350 Ω (4-20mA/0-20mA/0- ± 20mA current output)
voltage output 10mA (0-5V/0-10V/0- ± 5V voltage output)
Communication: RS-485 protocol or RS-232 standard characters protocols and MODBUS RTU communication protocol
 Baud Rate (1200,2400,4800,9600,19200,38400 bps) can be selected via software
Address (0 to 255) can be selected via software
Communication Response Time: 100 ms maximum
Power Supply: +8 ~ 32VDC wide range power supply, internal anti-reverse and over-voltage protection circuit
Power Loss: less than 1.5W
Operating Temperature: - 45 ~ +80 ℃
Humidity: 10 ~ 90% (no condensation)
Storage Temperature: - 45 ~ +80 ℃
Storage Humidity: 10 ~ 95% (no condensation)
Isolation Voltage: communication interface / output: 3KVDC, 1 minute, leakage current:1mA
 Which communication interface and power supply are common ground.
Shock Voltage: 3KVAC, 1.2/50us (peak)
Dimensions: 106.7 mm x 79 mm x 25mm 

WJ31 signal isolation D / A converter module can be used to output one channel voltage or current signal,
can also be used to output two common ground current or voltage signal.
1. Analog signal output
 12-Bit acquisition accuracy, all products signal input range have been calibrated. In use, users also can program
calibration easily.
 About the specific current or voltage input range, please see product selection. when need two channels signal output,
signal value must be the same.
2. Communication protocol
 Communication Interface: one channel standard RS-485 communication interface, or one standard RS-232
communication interface, specify when ordering.
 Communication Protocols: supports two protocols, characters protocol of the command set defined and MODBUS
RTU communication protocol. Can be programmed using the kind of communication protocol, can be achieved with
PLC, RTU of many Brands or computer monitoring system for network communication.
 Data Format: 10 Bits. 1 start bit,8 data bits,1 stop bit.
 Address: (0 to 255) and baud rate (2400,4800,9600,19200,38400 bps) can be set, the most long-distance about
communication networks is up to 1200 meters, through the twisted-pair shielded cable.
 Communication interface of high anti-jamming design, ± 15KV ESD protection, communication response time is less
than 100mS.
 3. Anti-jamming
 According to need to set the checksum. Module internal has transient suppression diodes, can inhibit a variety of surge
pulse, protection module, and internal digital filter can also be well suppressed from the grid frequency interference. 

FAQ

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