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The GE CK11CE300 is a high-density digital input module designed for the General Electric (now Emerson) PACSystems RX3i programmable automation controller platform—a widely deployed industrial control system used in discrete manufacturing, process automation, and infrastructure applications. Officially cataloged under the part number IC695MDL754, the GE CK11CE300 provides 32 isolated sinking (NPN-type) input channels that accept 24VDC signals from field devices such as proximity sensors, pushbuttons, limit switches, and solid-state relays. This module serves as a critical interface between the physical plant floor and the RX3i CPU, converting real-world binary states into deterministic logic data for control execution.
Engineered for reliability in demanding environments, the GE CK11CE300 features group isolation, individual channel LED status indicators, and robust noise immunity compliant with industrial EMC standards. Its compact form factor allows up to 10 modules to be installed in a single RX3i backplane, supporting scalable I/O architectures without excessive cabinet space. The GE CK11CE300 integrates seamlessly with Proficy Machine Edition software for configuration, diagnostics, and online monitoring—enabling rapid commissioning and troubleshooting. As a core component of the RX3i ecosystem, this module delivers the signal integrity and response speed required for safety interlocks, sequence control, and high-speed counting applications across industries ranging from automotive assembly to municipal water treatment.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | GE CK11CE300 (IC695MDL754) |
| Manufacturer | General Electric (now part of Emerson Automation Solutions) |
| Product Type | Digital input module (sinking, 24VDC) |
| Number of inputs | 32 points, grouped in 4 banks of 8 |
| Input voltage range | 20.4 to 26.4 VDC (nominal 24VDC) |
| Input type | Sinking (current sourced from field device into module) |
| Input impedance | ~5.1 kΩ per channel |
| Isolation | 500 VAC between field and backplane (group isolated) |
| Response time | ≤1 ms (on/off) |
| LED indicators | One per channel + module status (OK/Fault) |
| Operating temperature | 0°C to +60°C |
| Mounting | Snap-in to RX3i I/O baseplate (e.g., IC695ACC301) |
| Certifications | UL, CSA, CE, IEC 61000-4 (EMC) |
Main Features and Advantages
High channel density with reliable signal acquisition: The GE CK11CE300 packs 32 digital inputs into a single-slot module, significantly reducing panel footprint and wiring complexity compared to lower-density alternatives. Each channel employs opto-isolation and filtering circuitry to reject electrical noise from VFDs, solenoids, or arc welders—common in heavy industrial settings. This ensures clean signal transitions even with long cable runs or fluctuating supply voltages, preventing false triggers in critical sequences like press brake safety circuits or conveyor jam detection.
Advanced diagnostics and maintenance visibility: Every input on the GE CK11CE300 features a front-panel LED that illuminates when the channel is active, enabling technicians to verify field device operation without probing live terminals. Additionally, the module reports internal faults (e.g., power loss, communication error) to the RX3i CPU, which can trigger alarms in HMI systems via Proficy. This real-time health monitoring reduces mean time to repair (MTTR) and supports predictive maintenance strategies in continuous-operation facilities.
Seamless integration and future-proofing: The GE CK11CE300 is fully compatible with all RX3i CPUs (including redundant models like IC695CPU320) and supports hot-swap in supported chassis—minimizing downtime during replacements. Although originally developed by GE Fanuc, this module remains actively supported under Emerson’s stewardship, ensuring long-term availability for both greenfield projects and legacy system sustainment. Its standardized terminal block interface (compatible with Phoenix Contact-style connectors) simplifies field wiring and enables quick module swaps during upgrades or repairs.
Application Field
The GE CK11CE300 is extensively deployed in applications requiring dependable acquisition of discrete field signals across diverse sectors. In automotive stamping plants, it interfaces with die protection sensors, part presence detectors, and hydraulic valve feedback to ensure press cycle integrity and operator safety. Within water and wastewater treatment facilities, the GE CK11CE300 monitors pump run status, tank level switches, and gate valve positions—feeding data into SCADA systems for remote oversight and automated sequencing during storm events or chemical dosing cycles.
In food and beverage packaging lines, the GE CK11CE300 captures signals from photoelectric eyes, cap presence sensors, and emergency stop buttons, enabling high-speed synchronization between fillers, cappers, and labelers while meeting hygiene requirements through its sealed design. Similarly, in oil & gas pipeline compressor stations, the module reads vibration switch statuses, door interlocks, and flame detector outputs as part of integrated safety instrumented functions (SIFs). Even in renewable energy applications—such as solar tracker arrays or biogas generator controls—the GE CK11CE300 provides rugged, cost-effective digital input expansion that withstands temperature extremes and electrical transients.
Related Products
GE IC695MDL754: Alternate catalog number for GE CK11CE300; identical functionality.
GE CK11CE301 (IC695MDL746): 32-point sourcing (PNP) 24VDC input module; complementary to GE CK11CE300 for different sensor types.
GE IC695MDL645: 16-channel relay output module often paired with GE CK11CE300 in control panels.
GE IC695ACC301: Terminal baseplate required for installing GE CK11CE300 in RX3i racks.
GE IC695CPU315 / IC695CPU320: RX3i controllers that host the GE CK11CE300 in standalone or redundant configurations.
Emerson PACSystems RX3i: Current platform name under Emerson; maintains full backward compatibility with GE CK11CE300.
Installation and Maintenance
Pre-installation preparation: Before installing the GE CK11CE300, ensure the RX3i rack is powered off and the correct terminal baseplate (e.g., IC695ACC301) is securely mounted. Verify that field wiring uses shielded, stranded copper conductors rated for 24VDC, with shields grounded at the controller end only. Confirm that all connected sensors are NPN-type (sinking) and provide sufficient current (>2 mA) to activate the input. Label each terminal clearly to avoid cross-wiring during commissioning or future modifications.
Maintenance recommendations: Periodically inspect the GE CK11CE300’s front-panel LEDs during normal operation to confirm expected input activity—unexpected dark or constantly lit LEDs may indicate failed sensors or short circuits. Clean dust from ventilation slots using dry, low-pressure air to prevent overheating. If replacing a faulty GE CK11CE300, transfer the terminal block to the new module to minimize rewiring. Store spare units in anti-static bags at room temperature, avoiding exposure to condensation or corrosive atmospheres.
