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GE IC697BEM731 90-70 Series Bus Expansion Module
Product Overview
The GE IC697BEM731 is a high-reliability Bus Expansion Module designed for GE’s 90-70 Series PLC platform, serving as a critical component for expanding industrial automation systems. Engineered to bridge the primary control rack with remote I/O racks, this module enables seamless expansion of input/output (I/O) capabilities, allowing manufacturers to scale their control systems without redesigning the entire architecture. As part of the IC697 Series, the IC697BEM731 supports up to three remote I/O racks, enhancing system flexibility and accommodating growing operational demands in industries such as power generation, oil & gas, and manufacturing.
Featuring a rugged industrial design, the GE IC697BEM731 facilitates high-speed data transmission over GE’s proprietary Genius Bus, ensuring real-time communication between the CPU and remote I/O modules. Its hot-swappable design allows for module replacement without powering down the system, minimizing downtime during maintenance or system upgrades. The module’s built-in diagnostics monitor bus health and signal integrity, providing real-time feedback via LED indicators to simplify troubleshooting. With a wide operating temperature range (-40°C to +70°C) and compliance with industry standards like IEC 61131-2, the IC697BEM731 ensures reliable performance in harsh environments, including offshore platforms and heavy manufacturing facilities.
In automation ecosystems, the IC697BEM731 acts as a vital interface between the central processing unit and distributed I/O devices, enabling efficient data flow for complex control applications. Its compatibility with GE’s Proficy Machine Edition software allows for intuitive configuration and monitoring, reducing engineering time and enhancing system maintainability. By enabling scalable I/O expansion, this module supports the integration of additional sensors, actuators, and communication gateways, making it an indispensable component for industries requiring flexible and robust automation solutions.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IC697BEM731 |
| Manufacturer | GE |
| Product Type | Bus Expansion Module |
| Platform | 90-70 Series PLC |
| Bus Type | Genius Bus |
| Number of Remote Racks | Up to 3 |
| Data Transfer Rate | 500 kbps |
| Input Voltage | 24 V DC ±10% |
| Physical Dimensions | 228.6 mm (H) × 177.8 mm (W) × 76.2 mm (D) |
| Weight | 1.5 kg |
| Operating Temperature | -40°C to +70°C |
| Mounting | Rack-mounted (19-inch standard) |
| Certifications | CE, UL, cUL |
Key Features and Advantages
Scalable System Expansion: The IC697BEM731 supports the connection of up to three remote I/O racks, allowing manufacturers to expand their control systems incrementally as operational needs grow. This scalability reduces upfront costs and minimizes the need for system overhauls.
Hot-Swap Capability: Designed for maintenance flexibility, the module can be replaced while the system is running, eliminating downtime during component replacement. This feature is critical for 24/7 industrial operations where even brief interruptions impact productivity.
Reliable Data Transmission: The Genius Bus interface ensures high-speed, low-latency communication between the CPU and remote I/O modules, maintaining real-time control even in complex, distributed systems. Error-checking protocols enhance data integrity and reduce the risk of communication failures.
Comprehensive Diagnostics: Built-in diagnostic tools monitor bus voltage, signal quality, and module health, with LED indicators providing instant visual feedback on operational status. This proactive monitoring reduces mean time to repair (MTTR) and enhances system availability.
Wide Environmental Tolerance: Engineered to withstand extreme temperatures, vibration, and electromagnetic interference, the IC697BEM731 meets rigorous industry standards for industrial durability. Its conformal-coated circuitry protects against dust and moisture, ensuring reliable performance in harsh environments.
Seamless Integration: Compatible with GE’s 90-70 Series CPUs and I/O modules, the IC697BEM731 integrates seamlessly with existing control systems. It supports GE’s programming software and communication protocols, simplifying system configuration and maintenance.
Application Areas
The GE IC697BEM731 is essential for industries requiring flexible and scalable automation solutions:
- Power Generation: Expands I/O capabilities in power plants to monitor additional sensors for temperature, pressure, and flow in turbines, generators, and auxiliary systems, enabling precise control and optimization.
- Oil & Gas: Supports the integration of extra pressure transducers, flow meters, and safety interlocks in refineries, pipeline stations, and offshore platforms, adapting to changing process requirements.
- Manufacturing: Enables the addition of robotic arm controls, conveyor system sensors, and quality monitoring devices in automotive, pharmaceutical, and food & beverage production lines, enhancing operational flexibility.
- Water/Wastewater Treatment: Facilitates the expansion of I/O for additional pumps, valves, and water quality sensors in treatment plants, accommodating fluctuating demand and regulatory requirements.
- Mining: Supports the integration of extra motor controls, conveyor sensors, and environmental monitors in mining operations, optimizing extraction and processing efficiency.
Specific applications include:
- Distributed Control Systems: Connects remote I/O racks in large facilities, reducing cabling costs and enabling decentralized control.
- Retrofit Projects: Expands legacy systems without replacing the entire PLC, allowing manufacturers to upgrade gradually while maintaining operational continuity.
- Redundant Architectures: Supports redundant bus configurations for mission-critical applications, ensuring system reliability through failover capabilities.
Related Products
- IC697CPU780 90-70 Series CPU Module: High-performance processor that pairs with the IC697BEM731 to manage expanded I/O systems, offering faster processing for complex control logic.
- IC697PWR711 Power Supply Module: Provides redundant 24 V DC power for 90-70 Series racks, ensuring uninterrupted operation of the IC697BEM731 and connected I/O modules.
- IC697ALG320 Analog Input Module: Expands analog data acquisition capabilities when paired with the IC697BEM731, suitable for process control applications requiring precise measurements.
- IC697DIG300 Digital Output Module: Adds discrete output channels to remote racks via the IC697BEM731, ideal for controlling solenoids and relays in industrial setups.
- IC697CHS790 Chassis: Houses the IC697BEM731 and I/O modules, providing a structured and protected environment for expanded control systems.
- IC697CBL701 Bus Cable: High-reliability cable for connecting the IC697BEM731 to remote racks, ensuring stable data transmission over Genius Bus.
Installation and Maintenance
Pre-installation Preparations:
Before installing the GE IC697BEM731, ensure the primary control rack is properly grounded and powered. Verify compatibility with the CPU module and remote racks, using GE’s Proficy software to configure bus parameters (e.g., address settings, data rate). Mount the module in the rack using the provided hardware, ensuring adequate spacing for heat dissipation. Connect Genius Bus cables between the IC697BEM731 and remote racks, routing cables separately from high-voltage lines to minimize electromagnetic interference.
Before installing the GE IC697BEM731, ensure the primary control rack is properly grounded and powered. Verify compatibility with the CPU module and remote racks, using GE’s Proficy software to configure bus parameters (e.g., address settings, data rate). Mount the module in the rack using the provided hardware, ensuring adequate spacing for heat dissipation. Connect Genius Bus cables between the IC697BEM731 and remote racks, routing cables separately from high-voltage lines to minimize electromagnetic interference.
Maintenance Suggestions:
- Routine Inspections: Perform quarterly checks to validate LED indicators (power, bus activity, fault) and ensure all connections are secure. Use Proficy software to review bus diagnostics for any signal degradation or error messages.
- Cleaning and Cooling: Regularly clean the module’s vents to prevent dust accumulation, which can lead to overheating. Ensure the control room’s environmental conditions (temperature, humidity) fall within the module’s operational range.
- Firmware Updates: Periodically update the module’s firmware following GE’s guidelines to incorporate bug fixes and compatibility improvements, backing up configurations before updates to avoid data loss.
- Spare Parts Management: Store spare IC697BEM731 modules in static-free packaging at room temperature, testing them annually to ensure functionality for quick replacement during emergencies.
Product Guarantee
Our company provides a 12-month quality warranty for the GE IC697BEM731, covering hardware defects under normal use. In the event of performance issues, such as bus communication failures or power irregularities, we offer prompt replacement services to minimize downtime. For legacy or discontinued models like the IC697BEM731, our global supply chain network specializes in sourcing rare industrial control components, ensuring rapid delivery for urgent needs. Our technical support team is available 24/7 to assist with installation, troubleshooting, and system expansion planning, delivering reliable solutions to maintain your automation system’s efficiency.
For sales inquiries, contact us via WhatsApp at +86 18859254943 or email at sales@ygplc.com.
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