LS-WJ28 series 8 inputs channel Current/Voltage signal to RS485/232 Converter, 24 Bits AD data acquisition

Features:
Eight analog signal acquisition, isolated converter RS-485/232 output
24-bit AD converter, accuracy>0.05%
4-20mA/0-20mA current signal or 0-5V/0-10V voltage signal input
RS-485/232 interface can be programmed calibration module accuracy
Signal input / output:3000VDC isolation
Wide supply range: 8 ~ 32VDC
High reliability, easy programming, easy to apply
Standard DIN35 rail mounting
User-programmable settings module address, baud rate, etc.
Support the Modbus RTU protocol
Low cost, small size modular design
Size: 120x60x43mm

Typical applications:
signal measurement, monitoring and control
RS-485 remote I / O, data acquisition
application of intelligent building control, security engineering
industrial automation control system, the RS-232/485 bus

Industrial signal isolation and long-term transmission
equipment operation and monitoring
measurement of sensor signals
the industrial data acquisition and recording
medical, industrial and product development

Product List:

WJ28 - U(A)□ - □

Input voltage or current signal Communication Interface

U1: 0-5V A1: 0-1mA 485: RS-485 output interface

U2: 0-10V A2: 0-10mA 232: RS-232 output interface

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

Selection Samples:
Part No.:WJ28-A4-485 (means 8 channels 4-20mA input,ouput is RS485 interface)
Part No.:WJ28-U1-232 (means 8 channels 0-5V input,output is RS232 interface)
Part No.:WJ28-U2-485 (means 8 channels 0-10V input,output is RS485 interface)
Part No.:WJ28-(A4)6(U2)2-485

(Means 6 channels 4-20mA input, 2 channels 0-10V input, output is RS485 interface)

How to set Modbus RTU communication protocol:

Module default protocol is character communications protocol. If you need to set the module to Modbus RTU protocol, please follow these settings:

1. Put INIT switch to INIT position.
2. Connect the power cord and the communication interface cable.
3. Turn on the power, the module enters the default state automatically, address 00, baud rate 9600.
4. Wait 5s, module is initialization.
5. Send the command $00P1(cr), check the response, if is !00 (cr), set successfully.
6. Turn off the power, INIT switch to the NORMAL position.
7. The module has been set to the Modbus RTU protocol mode successfully.

Note: when you order, please choose your input and output or note your Part No..

Shenzhen Qianhai Lensen Technology Co., Ltd mainly designs and produces industrial wireless data communication products including RF module, radio modem, DI, DO, AI, AO module and kinds of RF based remote control, telemetry systems and IOT products.

Our products are widely used in oil, gas, water, power industry, wireless alarm and security systems, intelligent traffics and irrigation, industry automation and many other M2M applications. RF data modules just instead the RS232, RS485 cable between different equipments to transmit serial data. RDIO series are designed for industry ON-OFF control. They are widely used for pump, valve, tank, motor, light, alarm control. RAIO series are used to collect voltage (0-5V) or current (4-20mA) signal. They are widely used to collect kinds of sensors data and signal. The GPRS RTU is suitable for transferring data from device to internet, and transferring data from internet (Monitoring center or server) to device.

Lensen commits to provide our customers better products and service. Our engineers are experts with more than 10 years experience in this field, rising to the challenge of developing high tech and competitive products. Apart from providing a series of off-to-shelf products, Lensen has the capability to cooperate with companies and individuals that need customized products and ODM wireless solution. Choose Lensen, your wireless systems will link faster.

To meet different customer's requirements, we open a new product lind---Wireless irrigation.

we can provide one-stop intelligent wireless irrigation control solution, including DC type valve decoder, AC type valve decoder, wireless irrigation controller, soil moisture sensor, mobile irrigation APP, etc. Our products, software and services help customers manage and optimize project operations, improve interoperability, improve green ecology and enrich people's life.