IC695LRE001 Serial Bus Transmitter (Industrial-Grade RX3i Expansion Interface)

The IC695LRE001 represents a mission-critical communication bridge within GE's RX3i PACSystems architecture, translating universal backplane signals into serial expansion protocols. This transmitter module empowers system integrators to distribute I/O capacity across multiple racks while maintaining deterministic data exchange at 500 KB/s throughput.

Designed for industrial environments demanding scalable control topologies, the IC695LRE001 addresses the fundamental challenge of physical distance limitations in centralized PLC architectures. Whether you're retrofitting legacy systems or engineering greenfield installations, this module provides the backbone for distributed automation networks spanning up to 700 feet.

With support for seven expansion racks and 320 discrete I/O points, the IC695LRE001 delivers the flexibility to adapt your control system as production requirements evolve—without costly infrastructure overhauls or downtime-intensive reconfigurations.

Core Capabilities & Technical Advantages

→ Deterministic Serial Communication Protocol
Achieves 500 KB/s sustained data transfer rate with minimal latency variance, ensuring predictable scan times for time-critical control loops and synchronized multi-axis motion applications.

→ Extended Distance Topology Support
Enables remote rack placement up to 700 feet from the main controller, facilitating distributed architectures in large facilities while maintaining signal integrity through industrial-grade RS-232 implementation.

→ Multi-Rack Scalability Architecture
Supports cascaded connections to seven expansion backplanes with aggregate capacity of 320 discrete I/O points, providing headroom for future system growth without transmitter replacement.

✓ Efficient Power Budget Management
Consumes only 132 mA at 5V DC, minimizing thermal load on backplane power supplies and enabling higher module density in compact enclosures.

✓ Wide Environmental Operating Range
Qualified for 0°C to +60°C ambient temperatures with passive cooling, eliminating forced ventilation requirements in harsh industrial settings.

✓ Plug-and-Play Integration
Automatic rack addressing and configuration discovery through Proficy Machine Edition software reduces commissioning time by 40-60% compared to manual setup procedures.

Industrial Application Scenarios

Manufacturing Production Lines
In automotive assembly facilities, the IC695LRE001 connects distributed I/O racks positioned at welding stations, paint booths, and final assembly zones—eliminating the need for centralized wiring harnesses that complicate maintenance and increase installation costs. Typical deployments reduce wiring expenses by 30-50% while improving troubleshooting accessibility.

Process Industry Installations
Chemical processing plants leverage remote rack capabilities to position I/O modules adjacent to field instrumentation in hazardous areas, while maintaining CPU and power supplies in climate-controlled safe zones. This topology reduces signal cable runs by 200-500 feet per zone, minimizing voltage drop and electromagnetic interference.

Water & Wastewater Treatment
Municipal treatment facilities deploy expansion racks at pump stations, clarifiers, and filtration units distributed across multi-acre sites. The 700-foot remote distance capability eliminates intermediate junction boxes and fiber optic converters, reducing total system cost by 15-25%.

Power Generation & Distribution
Utility substations utilize serial bus transmitters to coordinate protection relays, breaker controls, and SCADA interfaces across switchyard equipment separated by safety clearances. The module's industrial temperature rating ensures reliable operation in outdoor enclosures without climate control.

Material Handling Systems
Warehouse automation systems connect conveyor zones, sortation equipment, and automated storage/retrieval systems through expansion racks positioned at strategic transfer points. This distributed architecture simplifies zone isolation during maintenance while maintaining overall system operation.

Technical Specifications & Selection Criteria

Selection Guidelines: Choose the IC695LRE001 when your application requires distributed I/O beyond the capacity of a single universal backplane (typically >12 slots) or when physical constraints necessitate remote rack placement. For applications requiring more than 320 discrete I/O points, consider implementing multiple transmitter pairs or upgrading to Ethernet-based distributed I/O using the IC695ETM001 module.

Advanced Integration & IoT Connectivity

While the IC695LRE001 provides foundational rack expansion, modern industrial architectures increasingly demand cloud connectivity and remote diagnostics. Pair this transmitter with the IC695ETM001 Ethernet Interface Module to enable:

• MQTT protocol publishing to AWS IoT Core or Azure IoT Hub for predictive maintenance analytics
• OPC UA server functionality for seamless MES/ERP integration
• Remote VPN access for off-site troubleshooting and configuration updates
• Historian data logging to SQL databases or time-series platforms like InfluxDB

For applications requiring functional safety compliance (SIL 2/3), integrate with the IC695CPE330-ACAS CPU Module which provides certified safety logic execution while maintaining standard I/O expansion through the IC695LRE001.

Delivery Timeline & Service Commitments

Standard Lead Time: 3-5 business days for in-stock units (North America/Europe)
Custom Configuration: 7-10 business days for pre-tested rack assemblies
Warranty Coverage: 12 months from shipment date, covering material defects and workmanship
Technical Support: Lifetime email/phone support for configuration assistance and troubleshooting
Documentation Package: Installation manual, wiring diagrams, GSD files, and sample ladder logic included

Expedited shipping available for critical downtime situations—contact our team for same-day dispatch options on emergency orders.

Frequently Asked Questions

What is the maximum cable length between transmitter and receiver modules?
For standard expansion applications, use cables up to 50 feet. Remote rack configurations support distances up to 700 feet using shielded RS-232 cable with proper grounding. Cable quality significantly impacts signal integrity—we recommend Belden 9841 or equivalent for runs exceeding 100 feet.

Can I mix IC693 and IC695 modules in expansion racks?
No. The IC695LRE001 communicates exclusively with RX3i series backplanes (IC695 chassis). For Series 90-30 systems, use the IC693CHS391/392 expansion backplanes with IC693CBL316/317 cables instead of serial bus transmitters.

How does this module affect overall system scan time?
Serial bus communication adds approximately 2-4 milliseconds per expansion rack to the total I/O scan time, depending on the number of modules installed. For applications requiring sub-10ms scan times, limit expansion to 3-4 racks or consider Ethernet-based distributed I/O.

What happens if the serial cable connection fails during operation?
The CPU will detect communication loss within 2-3 scan cycles and set fault flags in the system status table. Outputs on the affected expansion rack(s) will transition to their configured safe state (typically de-energized). Implement redundant transmitter pairs for critical applications requiring fault tolerance.

Is hot-swapping supported for this module?
No. The IC695LRE001 requires a controlled shutdown before removal or installation. Hot-swapping may cause backplane communication errors affecting all connected expansion racks. Always follow proper lockout/tagout procedures during maintenance.

Can I use this transmitter with third-party I/O modules?
The IC695LRE001 is designed for GE RX3i ecosystem components. While some third-party manufacturers offer compatible backplanes, we recommend using genuine GE modules to ensure warranty coverage and technical support eligibility.

Request Technical Consultation

Unsure whether the IC695LRE001 fits your system architecture? Our application engineers provide complimentary design reviews for projects involving:

• Multi-rack system layouts with cable routing optimization
• Power budget calculations for expansion configurations
• Scan time analysis for motion control and high-speed applications
• Migration planning from Series 90-30 to RX3i platforms

Contact our team today: Share your I/O count requirements, physical layout constraints, and environmental conditions to receive a customized bill of materials within 24 hours.

© 2026 NINERMAS COMPANY LIMITED. All rights reserved.
Original Source: https://ninermas.com
Contact: sale@ninermas.com | +0086 187 5021 5667