J / K / T / E / R / S / B type thermocouple Signal Acquisition Module

J / K / T / E / R / S / B type thermocouple Signal Acquisition Module
J / K / T / E / R / S / B type thermocouple Signal Acquisition Module
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Product Code : WJ27-485/WJ27-232
Brand Name : WAYJUN
Product Description

Product Overview:

WAYJUN WJ27 series products realize the signal acquisition between sensor and host, to measure eight channels thermocouple signal.WJ27 series products can be applied to RS-232/485 bus industrial automation control system, J/ K/T/ E/ R/ S/ B type thermocouple signal measurement,monitoring and control and so on.


  • Eight channels thermocouple signal acquisition, isolation conversion RS-485/232 output
  • 24-bit AD converter, measurement accuracy is better than 0.1%
  • Accurate calibration module accuracy can be programmed via RS-485/232 interface
  • Isolation between the signal input / output voltage 3000VDC
  • Wide power supply range: 8 ~ 32VDC
  • J / K / T / E / R / S / B type thermocouple input
  • High reliability, easy programming, easy to use
  • Standard DIN35 rail mounting for easy centralized wiring
  • The user can program the module address, baud rate and so on
  • Support Modbus RTU communication protocol
  • Low cost, small size

Product selection:

1.WJ27-485 (8-channel thermocouple signal input, output is RS-485 interface)

2.WJ27-232 (8-channel thermocouple signal input, output is RS-232 interface)

Function Description:

WJ27 signal isolation acquisition module can be used to measure eight channels thermocouple signal

1. Temperature signal input

24-Bitacquisition accuracy, 8-CH thermocouple signal input. All products signal input range have been calibrated. In use, users also can program calibration easily.

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.


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