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LS-WJ21 AD DA Converter 4-20ma Input RS485 Output Modbus RTU Protocol Din Rail Mounting

Basic Information
Place of Origin: China
Brand Name: LS
Certification: CE
Model Number: LS-WJ21
Minimum Order Quantity: 1pc
Price: negociate
Packaging Details: standard
Delivery Time: 3-6 days
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 10000pcs
Input: PT100, PT1000, CU50, CU100 Output: RS485
Mounting Way: Din-rail Mounting Power Supply: 24V DC
High Light:

high end da converter


universal audio ad converter

Analog measurement module LS-WJ21 is an A/D converter allowing you to measure analogue signal 0-10V or 0(4)-20mA. Measured out values are send to a PC or other system by means of RS232 or RS485 line.





  1. Analog signal input for voltage or current, isolated RS-485/232 output
  2. 12-bit AD converter, testing accuracy>0.1%
  3. Can Program and calibrate modules accuracy via RS-485/232 interface
  4. Signal input/output: 3000VDC Isolation
  5. Wide Power supply: 8~32VDC
  6. High reliability, easy programming, easy installation.
  7. Can program setting module address, baud rate
  8. 0-5V/0-10V/0-12V voltage signal or 4-20mA/0-20mA current signal input
  9. Supports Modbus RTU protocol
  10. DIN35 Rail-mounted
  11. Dimension: 106.7x79.0x25.0 mm

Signal testing/monitoring/control
RS-232/485 industrial automation control system
Industrial field signal isolation
Process Monitoring & Control
Test sensors signal
Laboratory Data Acquisition
Medical machine monitoring
4-20mA/0-5V signal acquisition


Products selection guidance:

Input Signal Output
Voltage Current

485: RS-485 output interface


232: RS-232 output interface

U1:0-5V A1:0-1mA
U2:0-10V A1:0-10mA
U3:0-75mV A1:0-20mA
U4:0-2.5V A1:4-20mA
U5:0-±5V A1:0-±1mA
U6:0-±10V A1:0-±10mA
U7:0-±100mV A7:0-±20mA
U8:user-defined A8:User-defined


Contact Details

Phone Number : +8613826574847

WhatsApp : +8613826574847