WAYJUN new product：Resistance Exhaler Electronic Valve RS-485, Displacement angle to MODBUS module

product description:

WJ123 product implements signal acquisition between sensors and hosts to detect analog signals. WJ123 series products can be applied to RS-485 bus industrial automation control systems, various potentiometers resistance signal measurements, monitoring, and industrial field signal isolation and long-term transmission.

Products include power isolation, signal isolation, linearization, A / D conversion, and RS-485 serial communication. Each serial port can be connected up to 255 WJ123 series modules, the communication mode uses the ASCII code communication protocol or the Modbus RTU communication protocol, the baud rate can be set by the code, can be hung on the same RS-485 bus with other manufacturers' control modules, easy to computers Program.

Features:

● Resistance level electronic scale signal acquisition is converted to RS-485 output

● 12-bit AD converter, measurement accuracy is better than 0.1%

● Program of calibration module via the RS-485 interface

● Signal input / output isolation withstand voltage 1000VDC

● Wide power supply range: 8 ~ 32VDC

● High reliability, convenient programming, easy to apply

● Standard DIN35 rail installation, convenient centralized wiring

● User programmable setting module address, baud rate, etc.

● Support MODBUS RTU communication protocol, automatic identification protocol

● Industrial flame retardant housing, RS485 port surge protection

● AD conversion rate can be programmed

typical application:

● Potentiometer, displacement signal measurement

● RS-485 remote I / O, data collection

● Electronic ruler, angular measurement, etc.

● RS-485 bus industrial automation control system

● Industrial field signal isolation and long-term transmission

● Equipment operation monitoring

● Measurement of sensor signals

● Acquisition and record of industrial field data

● Medical, industrial control product development

The WJ123 series is based on the intelligent monitoring and control system of single chip microcomputers, all user setting calibration values, information, baud rates, data formats, checkigament, and other configuration information stored in non-volatile memory EEPROM.

WJ123 series products are isolated from industrial standards, manufacturing, signal input / output, can withstand 1000VDC isolation voltages, strong anti-interference ability, high reliability. Working temperature range - 40 ° C ~ + 85 ° C.

WJ123 universal parameters:

(Typical @ + 25 ° C, VS is 24VDC)

Input Type: Three-wire potentiometer resistance input, resistance range 100Ω ~ 500kΩ.

Essence: 0.1%

Temperature drift: ± 50 ppm / ° C (± 100 ppm / ° C, maximum)

Input impedance: greater than 1MΩ

Bandwidth: -3 dB 10 Hz

Conversion rate: 10SPS (factory default value, user can send a command to modify the conversion rate.)

               The AD conversion rate can be set by sending a command to 2.5 SPS, 5 SPS, 10 SPS, 20 SPS.

              Note: After modifying the conversion rate, please re-calibrate the module, otherwise the measured data will deviate. You can also indicate the conversion rate when ordering, we can re-calibrate the conversion rate you asked when the product is shipped.

Commodity inhibition (CMR): 120 dB (1kΩ Source Imball @ 50/60 Hz)

Storm inhibition (NMR): 60 dB (1KΩ Source Imball @ 50/60 Hz)

Input protection: overvoltage protection, overcurrent protection

Communication: Protocol RS-485 Standard Character Protocol and Modbus RTU Communication Agreement

             Baud Rate (2400, 4800, 9600, 19200, 38400, 57600, 115200 bps) can be selected

Address (0 ~ 255) can be software selection

Communication Response Time: 100 MS Max

Working power supply: +8 ~ 32VDC wide power supply range, there is anti-reverse and overvoltage protection circuit

Power consumption: less than 1W

Work temperature: - 45 ~ + 80 ° C

Work humidity: 10 ~ 90% (no condensation)

Storage temperature: - 45 ~ + 80 ° C

Storage humidity: 10 ~ 95% (no condensation)

Isolation, pressure: input / output between: 1kVDC, 1 minute, leakage current 1mA

             Where RS-485 outputs and power supplies are common.

Impact resistant voltage: 1kvac, 1.2 / 50US (peak)

Dimensions: 79 mm x 69.5mm x 25mm