8Channel Encoder Pulse Counter 16 Channel DI High-Speed Counter Modbus RTU Modul

Product Description

Product features:

The encoder is decoded and converted to standard Modbus RTU protocol

It can be used as encoder counter or speed measurement

Support 8 encoders to count at the same time, and recognize the positive and negative rotation

It can also be set as a 16 channel independent Di high-speed counter

The encoder count value can be saved automatically after power failure

3000 V isolation between di input and power supply

It can clear and set the count value through RS-485 / 232 interface

Wide power supply range: 8 ~ 32vdc

High reliability, convenient programming and easy application

Standard din35 rail installation, convenient for centralized wiring

User programmable module address, baud rate, etc

Dimension: 120 mm x 70 mm x 43 mm

Typical applications:

Encoder pulse signal measurement

Flowmeter pulse counting or flow measurement

Product count of production line

Count the number of logistics packages

Pulse signal measurement of proximity switch

The encoder signal is transmitted to the industrial computer

Intelligent factory and industrial Internet of things

Replace PLC to transfer data to control center directly

Product overview:

Wj69 product realizes the signal acquisition between the sensor and the host, which is used to decode the encoder signal. Wj69 series products can be used in RS-232 / 485 bus industrial automation control system, automatic machine tools, industrial robots, three coordinate positioning system, displacement measurement, stroke measurement, angle measurement, speed measurement, flow measurement, product counting, etc

Products include signal isolation, pulse signal capture, signal conversion and RS-485 serial communication. Each serial port can connect up to 255 wj69 series modules. The communication mode adopts ASCII code communication protocol or Modbus RTU communication protocol. The baud rate can be set by code. It can be connected to the same RS-485 bus with other manufacturers' control modules, which is convenient for computer programming

.

Figure 1 internal block diagram of wj69 module

Wj69 series products are intelligent monitoring and control system based on single chip microcomputer. All configuration information such as address, baud rate, data format, check sum status set by users are stored in non-volatile memory EEPROM.

Wj69 series products are designed and manufactured according to industrial standards, with no isolation between signal input and output, strong anti-interference ability and high reliability. Working temperature range - 45 ℃ ~ + 85 ℃.

Function introduction:

Wj69 remote i/o module can be used to measure eight channel encoder signal, or set as 16 independent counter or di status measurement.

1. Signal input

8-way encoder signal input or 16 independent counter can be connected with dry contact and wet contact. Please refer to the wiring diagram for details.

2. Communication protocol

Communication interface: one standard RS-485 communication interface or one standard RS-232 communication interface, and it shall be noted when ordering and selecting.

Communication protocol: supports two protocols, character protocol defined by command set and Modbus RTU communication protocol. The module can automatically identify communication protocol, and can realize network communication with PLC, RTU or computer monitoring system of various brands.

Data format: 10 bits. 1 bit start bit, 8 bit data bit, 1 bit stop bit. No verification.

The communication address (0-255) and baud rate (2400, 4800, 9600, 19200, 38400, 57600, 115200bps) can be set; The communication network can reach a maximum distance of 1200 meters, and is connected by twisted pair shielded cable.

High anti-interference design of communication interface, ± 15kV ESD protection, communication response time is less than 100ms.

3. Anti-interference

Check sum can be set as needed. The module has transient suppression diodes, which can effectively suppress various surge pulses, protect the module, and the internal digital filter, and also can suppress the power frequency interference from the power grid.

Product selection:

WJ69General parameters：

(typical @ +25℃，Vs为24VDC)

Input type: encoder AB signal input, 8 channels (A0 / B0 ~ A7 / B7).

Low level: input < 1V

High level: input 3.5 ~ 30V

Frequency range 0-10kHz (all channels input at the same time), single channel can support 50KHz input.

Encoder counting range ‭‭-2147483647‬ ~‭+2147483647‬, power off automatically save

Di counter range 0 ~‭4294967295‬, power off reset

Input resistance： 30KΩ

Communications：RS-485 or RS-232 standard character protocol and Modbus RTU communication protocol

Baud rate (2400, 4800, 9600, 19200, 38400, 57600, 115200bps) can be selected by software

Address (0-255) can be selected by software

Communication response time: 100 ms max

Working power supply: the power supply range is from 8 to 32vdc, and there are anti reverse connection and over voltage protection circuits inside

Power consumption: less than 1W

Working temperature: - 45 ~ +80 ℃

Working humidity: 10 ~ 90% (no condensation)

Storage temperature: - 45 ~ +80 ℃

Storage humidity: 10 ~ 95% (no condensation)

Isolation voltage: 3000V isolation between di input and power supply, communication interface and power supply are all grounded.

Chart2 WJ69Module wiring diagram

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Condition

Brand New

Shipping

This item is shipped directly from our supplier in China with tracking.