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Engineers turn to GE IC697CPX782-CB when they need a workhorse CPU for expanding Series 90-70 PLC racks in steel mills, wastewater plants, or automotive assembly lines where production can’t afford scan overruns or communication dropouts. You’ll find this module coordinating conveyor sequencing, pump alternation, and temperature cascades across hundreds of I/O points, ensuring interlocks fire precisely even as programs balloon with recipe management or data historians. In power plant auxiliaries or chemical batching stations, GE IC697CPX782-CB handles the real-time demands of mixing discrete safety logic with analog process loops, all while linking to SCADA over serial drops or Ethernet gateways.
Its deployment shines in environments where legacy field wiring and panels must stay intact during upgrades—think facilities upgrading HMIs or adding remote I/O without ripping out proven control cores. GE IC697CPX782-CB steps in as the upgraded processor that absorbs larger logic files and faster cycle times, supporting up to 12K I/O in mixed configurations while maintaining Boolean speeds around 0.4 microseconds per instruction. Operators in pulp and paper or food processing rely on it for deterministic performance during peak loads, like startup sequences or fault recovery, where even minor delays could cascade into downtime. Because it is used in industrial automation setups that prioritize continuity over novelty, maintenance teams stock it as a drop-in spare for racks running 24/7 campaigns
The result? A CPU that fits retrofit projects seamlessly, letting integrators boost capacity without the risks of cross-platform testing or rewiring headaches.
The GE IC697CPX782-CB serves as a high-end single-slot CPU module within GE Fanuc’s Series 90-70 PLC platform, packing an 80486DX4 microprocessor clocked at 96 MHz for demanding control tasks. It integrates 1 MB battery-backed CMOS RAM for active program execution alongside 256 KB non-volatile flash for backup storage, enabling robust handling of ladder logic, structured text, and floating-point math in process or motion applications. In rack architectures, GE IC697CPX782-CB plugs into the dedicated CPU position, interfacing via backplane to I/O scanners, comms modules, and power supplies while offering three onboard serial ports for SNP, Modbus, or programmer access.
Positioned above entry-level 90-70 CPUs, this model targets systems needing headroom for growth—think evolving from basic sequencing to full PID farms or networked redundancy. It shines for integrators who value in-system firmware updates and software-configurable security like passwords and memory-protect keys alongside front-panel LEDs for at-a-glance diagnostics. Fully compatible with Proficy Machine Edition or legacy Logicmaster tools, GE IC697CPX782-CB preserves project portability across 90-70 ecosystems, making it a smart pick for sites bridging old racks to modern networks without full migrations.
GE IC697CPX782-CB delivers top-tier functional performance for Series 90-70, with its 96 MHz processor tackling complex Boolean networks and floating-point ops at speeds that keep scan times predictable under heavy I/O polling or data exchange. Engineers gain confidence from the 1 MB RAM handling expansive programs—up to 12K discrete/8K analog points—while flash ensures quick recovery post-power loss, critical for batch continuity or safety sequences.
Hardware-wise, the single-slot footprint streamlines rack layouts, drawing just 3.1 A from the 5 V bus with a rugged build suited to control cabinets amid vibration and EMI from nearby motors or welders. Three serial ports (RS-232 plus dual RS-485) provide flexible connectivity—one isolated for noisy plants—directly supporting programmer links, RTU slaves, or peer PLCs without extra modules. Status LEDs track OK, run mode, and port activity, while a three-position switch (stop/run) plus keylock add layered security for shared maintenance access.
Broad compatibility extends to IC660/661 remote I/O buses and IC697 locals, letting GE IC697CPX782-CB scale across plants via Genius or Ethernet adapters. Lithium battery (5-year shelf, 6-month holdup) backs the RTC, accurate to 3.5 s/day, for precise timestamps in audits or schedulers. Rated 0-60°C, it thrives in ventilated enclosures, with years of field-proven MTBF in continuous ops—ideal for sites where unplanned swaps disrupt revenue.
- IC697CPX782-CB
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | GE IC697CPX782-CB Single-Slot CPU Module |
| Brand | GE Fanuc (Series 90-70 PLC) |
| Product Type | Central Processing Unit with Integrated Serial Ports |
| Processor | 80486DX4, 96 MHz, 32-bit Floating-Point Capable |
| User RAM | 1 MB Battery-Backed CMOS RAM |
| User Flash Memory | 256 KB Non-Volatile Flash |
| Boolean Execution | 0.4 µs per Instruction (Typical) |
| I/O Capacity | 12K Discrete / 8K Analog (Max Mix) |
| Serial Ports | 3 (1x RS-232, 2x RS-485; Port 2 Isolated) |
| Power Requirement | 5 V DC, 3.1 A Nominal from Rack Backplane |
| Operating Temperature | 0 °C to 60 °C (32 °F to 140 °F) |
| Battery Specs | Lithium, 5-Year Shelf Life; 6 Months Memory Holdup |
| Clock Accuracy | Time-of-Day: ≤3.5 s/Day; Elapsed: ≤0.01% |
| Mounting | Single Slot in Series 90-70 Rack |
| Dimensions (Approx.) | Standard 90-70 Module: ~15 cm x 9 cm x 5 cm |
| Weight (Approx.) | ~0.5 kg |
| Certifications | CE, UL (Typical for Series 90-70) |
| Cooling | Rack Fan or Cabinet Forced Air |
Related Modules or Compatible Units
GE IC697CPX772 – Lower-memory sibling in the CPX family, ideal for cost-sensitive retrofits needing similar speed but smaller programs.
GE IC697CPX782 – Base catalog version without CB suffix; direct functional match for GE IC697CPX782-CB in most 90-70 racks.
GE IC697CPM697 – Co-processor option that pairs with GE IC697CPX782-CB for floating-point acceleration in math-intensive apps.
GE IC697MEMxxx Series – Memory expansions complementing the integrated RAM/flash when pushing I/O or data logging limits.
GE IC660BBAxxx Bus Controllers – Enable GE IC697CPX782-CB to link remote I/O drops over IC660 networks for plant-wide scaling.
GE IC697CMMxxx Communications Modules – Add Ethernet or Profibus to racks with GE IC697CPX782-CB for SCADA integration.
GE IC697CHS790/791 Racks – Standard backplanes housing GE IC697CPX782-CB with matching power supplies for reliable operation.
GE IC697PWRxxx Power Supplies – Provide the 5 V rail essential for GE IC697CPX782-CB and rack expansion without voltage sag.
Rack prep for GE IC697CPX782-CB starts with slot confirmation in the 90-70 backplane, ensuring the power supply handles the 3.1 A draw alongside I/O modules—oversized units like 90 W DC models prevent brownouts during peaks. Plan cable routing to isolate serial ports from power runs, and secure front clearance for LED reads and keyswitch access; ambient temps over 50°C demand verified cabinet ventilation to protect the battery and logic board. Firmware and config must align with rack peers before power-up—load via Port 1 serial, test scans empty, then validate I/O maps and passwords per site lockout protocols.
Ongoing care focuses on proactive checks: inspect battery every 6 months (replace proactively at 4 years), monitor LEDs for port faults or OK drops, and log scan overruns via diagnostics to spot logic creep. Firmware flashes stay in-rack using Ethernet tools, but always snapshot configs first; pair with spares matching the CB revision to slash swap times. In dusty mills or humid plants, enclosure seals and quarterly connector wipes extend MTBF, keeping GE IC697CPX782-CB humming through outage cycles.
