GE HE697RTM700B Modbus Communication Module
GE HE697RTM700B
Product Overview
The GE HE697RTM700B is an industrial communication module designed for GE Fanuc Series 90-70 PLC systems. It provides Modbus RTU master communication capabilities, allowing the PLC to exchange data with remote devices and other industrial controllers.
The module features two independent serial communication channels. Each channel can be configured for RS-232, RS-422, or RS-485 communication, making it suitable for different industrial networking environments.
By connecting remote Modbus devices with the PLC control system, this module helps improve data exchange, equipment coordination, and centralized process monitoring.
Technical Specifications
| Parameter | Description |
|---|---|
| Manufacturer | GE Fanuc |
| Model | HE697RTM700B |
| Product Type | Modbus RTU Master Module |
| PLC Platform | Series 90-70 |
| Communication Protocol | Modbus RTU |
| Communication Channels | 2 |
| Serial Interfaces | RS-232 / RS-422 / RS-485 |
| Maximum Baud Rate | 19.2 kbps |
| Power Supply | 5 V DC |
| Power Consumption | 1 A |
| Installation | Local PLC Rack |
Main Features
- Dual Communication Channels: Provides two independent serial ports for communication with remote devices.
- Multiple Interface Options: Supports RS-232, RS-422, and RS-485 configurations.
- Modbus RTU Master Function: Allows the PLC to read and write data from connected slave devices.
- Flexible Communication Settings: Supports different baud rates, parity, and communication parameters.
- Remote Data Exchange: Transfers analog and discrete data between the PLC and external equipment.
System Structure and Operation
The module operates as a communication interface between the Series 90-70 PLC and external Modbus RTU devices.
Its two serial channels can be configured independently for direct connections, multidrop networks, or modem-based communication. The PLC manages communication through configured command lists and communication request instructions.
Furthermore, individual slave status information helps the controller identify communication problems and monitor network performance.
Industrial Applications
Typical applications include:
- Industrial automation systems.
- Remote terminal unit communication.
- Power generation and distribution.
- Water treatment facilities.
- Manufacturing process control.
- PLC-based monitoring networks.
Installation and Maintenance
The module is designed for installation in a Series 90-70 local rack and requires a compatible Series 90-70 CPU. It does not support installation in an expansion rack.
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