GE HE697RTM700B Modbus/RTU Master Communication Module

Description

Technical Specifications

• Manufacturer: Horner Automation (GE Fanuc Series)
• Part Number: HE697RTM700B
• Compatible Platform: GE Series 90-70 PLC Systems (local rack slots only; no expansion rack support)
• Module Type: Dual-Channel Modbus/RTU Master Communication
• Communication Ports: 2 × 25-pin D-sub connectors (Port 1, Port 2)
• Supported Protocols: Modbus/RTU Master (ASCII/Binary modes)
• Serial Standards: RS-232 (direct), RS-422/RS-485 (multi-drop), radio modem, dial-in/dial-out
• Baud Rates: 300 bps to 115.2 kbps (configurable per channel)
• Data Format: 7/8 data bits, 1/2 stop bits, odd/even/no parity (configurable)
• Max Slave Devices: 247 slaves per channel
• Command Capacity: Up to 250 bytes per command; multiple commands per slave
• Data Types: Analog (16-bit), discrete (1-bit), holding registers, input registers
• Power Consumption: 1000 mA @ 5 VDC (backplane)
• Operating Temperature: -40°C to +85°C (-40°F to 185°F)
• Storage Temperature: -40°C to +85°C (-40°F to 185°F)
• Humidity: 5%–95% RH, non-condensing
• Dimensions: 120 mm (H) × 80 mm (W) × 40 mm (D)
• Weight: 0.42 kg (0.93 lbs)
• Certifications: CE, UL, CSA
• Backplane Compatibility: Series 90-70 local racks only

Key Features

1. Dual-Channel Modbus/RTU Master Operation

• Equipped with two independent Modbus/RTU master channels, enabling simultaneous communication with two separate networks of slave RTU devices.
• Each channel supports RS-232, RS-422, or RS-485 physical layers, accommodating direct, multi-drop, or radio modem connections for flexible network design.

2. High-Speed, Offloaded Communication Processing

• Dedicated communication processor handles all Modbus protocol tasks, eliminating CPU bottlenecks and ensuring consistent, low-latency data exchange even under heavy network load.
• Supports baud rates up to 115.2 kbps and large command payloads (250 bytes), optimizing data throughput for high-volume industrial applications.

3. Comprehensive Data Acquisition & Control

• Executes standard Modbus commands (Read Coil, Read Input, Read Holding Register, Write Register) to exchange analog and discrete data with slave devices.
• Integrates seamlessly with PLC reference data tables, mapping slave device data directly to %AI, %I, %Q, and %R registers for immediate use in control logic.

4. Robust Industrial-Grade Design

• Extended operating temperature range (-40°C to +85°C) and enhanced surge protection ensure reliable performance in harsh environments, including extreme cold, heat, and electrical noise.
• Single-slot form factor with tool-free installation into Series 90-70 local racks simplifies system integration and maintenance.
• LED status indicators for power, port activity, and communication faults enable real-time diagnostics and quick troubleshooting.

5. Flexible Network Configuration

• Each channel can be independently programmed for dial-in/dial-out, radio modem, or multi-drop operation, supporting diverse network topologies and remote monitoring applications.
• Configurable data format (bits, parity, stop bits) ensures compatibility with legacy and modern slave RTU devices from multiple manufacturers.

Applications

• Industrial Automation: Factory floors, assembly lines, and process plants for connecting PLCs to remote sensors, actuators, and RTU panels.
• Oil & Gas: Pipeline monitoring, wellhead control, and refinery automation for data exchange between central PLCs and field RTUs.
• Water & Wastewater: Municipal treatment plants, pumping stations, and reservoir monitoring for remote data acquisition and control.
• Power & Energy: Substation automation, renewable energy farms, and power distribution networks for Modbus RTU-based communication.
• Building Automation: Large commercial facilities, data centers, and HVAC systems for monitoring and controlling remote equipment.