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In legacy power distribution panels where programmable controllers must interface with remote drops over noisy plant floors, the GE IC600CR201B enables reliable remote I/O communication for GE Series Six systems handling motor starters, valve feedbacks, and status monitoring. Operators deploy it across pulp and paper mills sequencing refiners, mining conveyors tracking belt positions, or textile winders coordinating tension zones—environments plagued by long cable runs, electrical interference, and the need for decentralized processing without fiber infrastructure. The GE IC600CR201B addresses these challenges as a rack-mounted remote I/O controller, dropping into Series Six remote racks to scan local discrete and analog modules while talking bidirectionally to a host master over twisted-pair or coax, so central logic stays responsive even if field wiring fails. Used in industrial automation for its drop-in expandability, it keeps aging control systems viable during modernization pauses, delivering sub-second updates that prevent cascade faults in safety interlocks or production pacing.
Oilfield pumpjacks or automotive paint pretreatment lines show its fit in applicable control systems, where CPU-less remote drops cut master scan burdens by 70% and built-in diagnostics flag open circuits or module faults before operators chase shadows. Brownfield sites retain the GE IC600CR201B because it mates with existing Series Six master CPUs (like IC600CPU110) and field wiring, supporting up to 128 I/O points per drop in distributed architectures that scale without backplane limits. Engineers standardize on it to preserve spares strategies, turning field-level autonomy into global visibility via polled exchanges that sync seamlessly with early SCADA overlays.
The GE IC600CR201B functions as a Remote I/O Controller (CPU) module for GE Fanuc Series Six programmable control systems, serving as the intelligent head for remote baseplates that extend master rack reach. It mounts in the leftmost slot of a remote Six rack, executing local scans of up to four I/O modules (discrete inputs/outputs, analogs) and packaging data into frames for master exchange over serial links—no VME or Ethernet needed. In the Series Six architecture, the GE IC600CR201B operates in slave mode, responding to master polls while buffering outputs and filtering inputs locally to mask transient glitches, with reference tables mirroring host %I/%Q/%M memory.
Integrators value its self-contained operation: no host programming required for remotes, just address DIP switches matching the master map, and diagnostics propagate via front LEDs (RUN, FAULT, COMMS) plus report-back words. It pairs with any Series Six master, draws +5 VDC backplane power, and handles baud rates from 9600-15360 over RS-485-like multidrop buses up to 4000 feet. Maintenance teams leverage onboard EEPROM for config retention and watchdog timers that halt local scans on comms loss, preventing stale data from driving outputs.
Performance delivers 2 ms local scans across 128 points, with frame turnaround under 20 ms even on 32-drop networks, ensuring interlocking stays tight. Isolation reaches 1500 Vrms module-to-backplane, shrugging off induced noise from parallel motor feeders. The GE IC600CR201B buffers 512 words of I/O image, supports forcing for bench tests, and self-recovers from bus faults via retries—field-proven in 80s-vintage plants still running critical sequences.
Hardware emphasizes simplicity: 1.4 A at 5 VDC draw fits standard Six power supplies, 0-60°C rating without cooling, and mechanical keying prevents slot errors. Binary protocol overhead stays low (no TCP/IP bloat), while fault LEDs blink specific codes for open drops or parity errors, speeding root cause on live systems.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | GE IC600CR201B |
| Brand | GE Fanuc |
| Product Type | Remote I/O Controller (CPU) |
| PLC Platform | Series Six |
| I/O Capacity | Up to 128 points (4 modules) |
| Communications | Serial multidrop (RS-485 compatible), 9600-15360 baud |
| Local Scan Time | 2 ms typical full rack |
| Isolation | 1500 Vrms point-to-logic |
| Power Consumption | 1.4 A at +5 VDC backplane |
| Operating Temperature | 0 to 60 °C |
| Indicators | RUN, FAULT, COMMS LEDs with blink codes |
| Configuration | DIP switches for node address |
| Distance | Up to 4000 ft on twisted pair |
| Mounting | Series Six remote rack, slot 1 |
| Diagnostics | Fault reporting words, self-test on power-up |
| Weight | Approximately 1.5 lbs |
- IC600CR201B
Related Modules or Compatible Units
IC600CPU110 – Series Six master CPU polling networks of GE IC600CR201B remotes for centralized control.
IC600BF904 – Remote power supply pairing with GE IC600CR201B in field racks away from host.
IC600DI300 – Discrete input module scanned locally by GE IC600CR201B for status gathering.
IC600DO320 – Discrete output module driven autonomously by GE IC600CR201B during comms gaps.
IC600YF200 – Analog input expander filling GE IC600CR201B racks for process signals.
IC670PBI001 – VersaMax Profibus bridge linking GE IC600CR201B drops to newer fieldbuses.
Mount the GE IC600CR201B leftmost in remote racks with terminators on bus ends, twisting pairs for common-mode rejection and fusing +5 VDC feeds. Set node addresses uniquely via DIPs, power cycle to latch, and verify RUN/COMMS steady with master polls before wiring I/O—simulate points to confirm image buffering.
Visuals catch FAULT blinks monthly; clear latched errors via master commands. GE IC600CR201B swaps preserve addressing—retest bus integrity post-insert. Log drop stats during outages to baseline throughput.
