GE IC697BEM711 Bus Expansion Module with 5 Volts DC 0.8 Amps and 50 Feet Cable Length

The GE IC697BEM711 is a high-performance Bus Expansion Module (BEM) designed for the Series 90-70 PLC platform. Manufactured in the USA and shipped from Xiamen, China, this module enables seamless expansion of PLC systems, allowing additional racks to be integrated into existing control architectures.

Compact and reliable, it measures 4 × 22 × 29.1 cm and weighs 0.42 kg, making it easy to install on the Series 90-70 CPU baseplate. The module occupies a single slot and provides a robust interface for system expansion with maximum cable lengths of up to 50 feet (15 meters).

The IC697BEM711 features two 25-pin D-shell connectors for high-speed communication with expansion racks and other system components. It has a backplane current draw of 800 mA at 5 VDC, with input voltage rated at 5 VDC and current input of 0.8 Amps. The module supports up to seven expansion racks with an effective data rate of 500 Kbytes/sec.

Status monitoring is provided via LED indicators for Module OK, Last Rack, and Bus Active, ensuring clear operational feedback. Rack addressing is configurable via jumper settings, providing flexible system integration.

The IC697BEM711 Bus Expansion Module is ideal for expanding IC697 PLC systems, enabling additional I/O, logic, or interface modules to be added without compromising performance. It functions as a bus receiver module, supporting efficient data transfer and reliable communication between the main CPU and expansion racks.

• Supports up to seven expansion racks for scalable system growth
• Hold Last State functionality for enhanced operational reliability
• System fault isolation to minimize downtime
• Three LED indicators provide real-time status for module, termination, and bus expansion ports
• Tool-free configuration with no DIP switches; easily integrated into the PLC system via software

• Permits expansion from the main rack to up to seven additional IC697 PLC racks
• Supports a total of 50 feet (15 meters) of interconnecting cable

• Occupies a single slot and must always be installed in Slot 1
• Features two connectors: one for connection to the upstream/CPU rack and the other for daisy-chaining additional expansion racks

• Equipped with three green LEDs to indicate module status, rack activity, and the presence of the I/O Bus Terminator Plug (IC697ACC702), which is required in the last rack

• Supports Hold Last State operation for output modules in the event of CPU communication loss
• Allows isolation and repair of a faulty module within a rack without affecting other modules

• Must be configured into the IC697 PLC system using MS-DOS or Windows programming software, ensuring seamless integration and system operation

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