Juying GPRS0404-PT Relay Control Card User Manual

This manual covers the specifications, features, installation, and usage of the Juying GPRS0404-PT relay control card, including SMS configuration and…

Juying GPRS0404-PT Relay Control Card User Manual - cover page
Brand
Juying
Category
Industrial Supply
Document type
User Manual
Language
Chinese
Pages
23
File format
PDF
File size
1.8 MB
Published
15 October, 2026
Updated
15 October, 2026
MD5 checksum
A3709F27A84569D5A295A36E3F8E1BEC
PDF
Juying GPRS0404-PT Relay Control Card User Manual PDF

About this manual

The Juying GPRS0404-PT is a relay control card based on the DAM series, utilizing GPRS networks (Mobile or Unicom) for remote communication and control. It features four relay output channels and four PT100 temperature input channels, allowing for remote operation and monitoring of industrial equipment. Each device possesses a unique ID for secondary development and management via the Juying Cloud platform. This manual is written in Chinese.

What's inside

  • Product Description
  • Product Features
  • Product Functions
  • Main Parameters
  • Communication Architecture
  • Usage Instructions
  • Hardware Description
  • Unique ID Acquisition
  • SMS Configuration
  • Platform Software

Specifications

Supply VoltageDC 7-40V
Relay Contact IsolationYes
Communication ProtocolStandard Modbus
Relay Capacity10A/30V DC, 10A/250V AC
Operating Temperature-40°C ~ 85°C
Dimensions145*94*41 mm
Weight330 g
Communication Baud Rates2400, 4800, 9600, 19200, 38400

Frequently asked questions

Which SIM card networks are supported?

The device supports Mobile and Unicom SIM cards, but does not currently support Telecom.

How is the actual temperature value calculated from the sensor?

The actual value is calculated by multiplying the returned value by 0.01.

How can the unique device ID be obtained?

The ID can be obtained by scanning the QR code on the device or packaging, or by sending a specific SMS query command.

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