GE HE697RTM700B RTU Master Communication Module

Product Description
The GE HE697RTM700B is an RTU (Remote Terminal Unit) master communication module from the GE Fanuc Series 90-30 PLC family . It provides an RS-485 master interface for connecting to Modbus RTU slave devices in industrial environments requiring high-speed communication and reliability .

Technical Specifications

  • Manufacturer: GE Fanuc / General Electric

Category:
Description
  • Product Type: RTU Master Communication Module

  • Series: Series 90-30

  • Communication Protocol: Modbus RTU

  • Interface Type: RS-485 Master

  • Number of Master Channels: 2 Modbus RTU master channels

  • Baud Rate: 9600 bps to 115,200 bps

  • Maximum Slave Devices: 32

  • Maximum Transmission Distance: 1,200 meters

  • Command Data Capacity: Up to 250 bytes per command

  • Power Supply Voltage: 24 VDC

  • Power Consumption: 1,000 mA at 5 VDC

  • Enclosure Material: Aluminum alloy

  • Dimensions: 90 mm x 30 mm x 25 mm

  • Weight: 100 g

  • Connection Type: Terminal connection

Functional Features

  • Dual Master Channel Configuration: Equipped with two independently programmable Modbus RTU master channels, each controllable by a 90-30 or 90-70 controller for flexible data acquisition from remote RTU slaves .

  • Versatile Operating Modes: Each channel supports dial-in, dial-out, radio modem, multi-point (RS422/RS485), and direct connection (RS232) operations through individual programming .

  • Flexible Data Handling: Sends and receives analog or discrete data using standard RTU commands. Multiple commands can be issued to each slave, requesting single points or multiple consecutive points up to 250 bytes maximum .

  • Master Device Functionality: Operates as a master device, reading data from or writing data to one or more slave devices on the RS-485 network .

  • Low Power Consumption: Requires only 1,000 mA at 5 VDC, contributing to energy efficiency and reduced operational costs .

Application Scenarios
This module is deployed in industrial automation and process control systems that require reliable remote data communication:

  • Power Industry: Used in power generation plants for monitoring and controlling generators, turbines, and governors to maintain system stability .

  • Oil and Gas: Supports data acquisition from remote field devices in oil refineries and petrochemical processing facilities .

  • Chemical Processing: Enables monitoring and control of chemical reactions and batch processes for safe and consistent production .

  • Water Treatment: Facilitates remote communication for pumps, valves, and sensors in water and wastewater management systems .

  • Metallurgy: Provides data exchange for furnace controls and rolling mill automation in steelmaking operations .

  • Manufacturing: Supports factory automation through machine monitoring, production line data collection, and SCADA system integration .

  • Power Distribution: Used in substations and distribution networks for transformer and circuit breaker monitoring .

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