GE Fanuc IC697RCM711 – Remote Communications Module | Series 90-70 Platform
Engineering Background: The GE Fanuc Series 90-70 is one of the most widely deployed rack-based PLC platforms in heavy industrial automation, process control, and critical infrastructure worldwide. Introduced in the late 1980s and continuously refined through the 1990s and 2000s, the Series 90-70 architecture remains operational in thousands of facilities across power generation, oil & gas, automotive, and water treatment sectors.
Product Positioning: The IC697RCM711 is a dedicated Remote Communications Module designed for the GE Series 90-70 PLC rack. It enables high-speed, deterministic data exchange between the local CPU rack and remote I/O drops or peer controllers, extending the physical reach of the control system without sacrificing scan-cycle integrity. For procurement engineers managing aging DCS/PLC infrastructure or executing system expansions, the IC697RCM711 is a direct, drop-in replacement that requires no firmware migration or rack reconfiguration.
Complete Technical Specifications
- Part Number: IC697RCM711
- Platform: GE Fanuc Series 90-70
- Module Type: Remote Communications Module (RCM)
- Form Factor: Single-slot Series 90-70 rack module
- Communication Protocol: GE Series 90 Remote I/O (Genius Bus compatible architecture)
- Data Transfer Rate: High-speed synchronous serial link
- Backplane Interface: Series 90-70 VME-based backplane
- Power Consumption: Supplied via rack backplane (5 VDC)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C
- Relative Humidity: 5% to 95% non-condensing
- Certifications: UL Listed, CE Marked (original manufacture)
- Weight: Approx. 420 g
- Country of Origin: United States
Proven Application Environments
- Power generation plant DCS expansion and remote I/O extension
- Oil & gas pipeline SCADA and remote terminal unit (RTU) integration
- Automotive body-shop and paint-line PLC network upgrades
- Water and wastewater treatment facility control system maintenance
- Pulp & paper mill distributed control architecture
- Chemical plant safety instrumented system (SIS) support infrastructure
- Mining and minerals processing automation
Engineering Advantages
- Zero-reconfiguration replacement: Direct slot-for-slot swap in any Series 90-70 rack — no CPU firmware update required.
- Deterministic scan extension: Maintains PLC scan-cycle integrity across remote I/O drops, critical for time-sensitive process loops.
- Proven field longevity: Designed to MIL-spec vibration and thermal cycling standards; routinely operates 15–20+ years in service.
- Broad rack compatibility: Compatible with all standard Series 90-70 rack sizes (5, 9, and 12-slot configurations).
- Reduced downtime risk: Stocking a spare IC697RCM711 eliminates unplanned shutdown exposure in facilities without local GE service coverage.
System Architecture & Signal Flow
The IC697RCM711 occupies a single slot in the Series 90-70 rack and communicates with the CPU module via the VME backplane. On the field side, it interfaces with remote I/O drops through a dedicated serial communications link. The module handles all protocol framing, error detection, and retransmission autonomously, offloading communication overhead from the CPU and ensuring that remote I/O data is refreshed on every PLC scan cycle. This architecture supports both star and daisy-chain remote drop topologies depending on system design.
Sourcing & Quality Verification
- All units sourced from verified industrial surplus channels, OEM overstock, or decommissioned plant inventories with documented chain of custody.
- Each module undergoes visual inspection (PCB, connectors, label integrity) and functional bench testing prior to listing.
- Firmware revision and hardware revision labels are photographed and available on request.
- Units are shipped in anti-static packaging with foam cushioning to IEC 61340-5-1 ESD protection standards.
- Certificate of conformance (CoC) available for qualified B2B orders upon request.
Procurement Process
- Step 1: Confirm part number IC697RCM711 against your existing rack label or GE system documentation.
- Step 2: Contact Konmask for current stock availability, hardware revision, and lead time confirmation.
- Step 3: Submit PO or place order directly via konmask.com. Net-30 terms available for approved accounts.
- Step 4: Receive unit with packing list, inspection report, and ESD-safe packaging. Express DHL/FedEx shipping available globally.
- Step 5: Install and verify — our engineering team is available for remote commissioning support at no additional charge.
Technical FAQ
Q: Is the IC697RCM711 compatible with the IC697CPU772 and IC697CPU781 CPUs?
A: Yes. The RCM711 is compatible with all Series 90-70 CPU modules that support remote communications expansion.
Q: Can this module be used in a hot-standby redundancy configuration?
A: The IC697RCM711 supports use in redundant rack architectures when paired with the appropriate GE redundancy controller module. Consult your system architecture documentation for slot assignment rules.
Q: What is the maximum number of remote drops supported?
A: Refer to GE publication GFK-0356 (Series 90-70 PLC Installation Manual) for the specific drop count limits based on your CPU model and communications configuration.
Q: Do you provide a warranty?
A: Yes. All units carry a 12-month functional warranty from date of shipment. DOA units are replaced at no cost within 30 days.
Q: Can I request a specific hardware revision?
A: We will do our best to match your revision requirement. Please specify in your inquiry and we will confirm availability before invoicing.
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