Product Overview
The GE IC694MDL916 is a high-density digital input module designed exclusively for GE’s RX3i series programmable logic controllers (PLCs), engineered to monitor a large number of discrete signals in industrial automation systems. As a 32-channel module, its primary function is to convert on/off signals from field devices—such as limit switches, proximity sensors, and safety interlocks—into digital data that the RX3i processor can analyze, enabling comprehensive real-time monitoring of equipment status.
Integral to the RX3i ecosystem, the GE IC694MDL916 stands out for its exceptional channel density, packing 32 inputs into a single rack slot—ideal for large-scale systems where space is limited, such as automotive assembly lines or warehouse automation setups. Its robust design includes enhanced isolation and noise immunity, ensuring reliable signal capture even in environments with heavy electrical interference from motors or variable frequency drives. What distinguishes the GE IC694MDL916 is its balance of high capacity, rugged performance, and seamless integration with RX3i backplanes, making it a cornerstone for automation systems requiring extensive visibility into field device status.
Technical Specifications
| Parameter |
Value |
| Product Model |
IC694MDL916 |
| Manufacturer |
GE |
| Product Type |
Digital Input Module |
| Input Channels |
32 (isolated) |
| Input Voltage Range |
24V DC (18-30V DC) |
| Input Current |
6mA per channel (typical) |
| Isolation |
500V AC channel-to-channel; 250V AC channel-to-backplane |
| Response Time |
<2ms (ON and OFF) |
| Operating Temperature |
0°C to 60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to 85°C (-40°F to 185°F) |
| Dimensions (HxWxD) |
127mm x 36mm x 165mm |
| Mounting Type |
RX3i PLC rack-mounted (1-slot width) |
| Protection Features |
Overvoltage protection (up to 60V DC); reverse polarity protection |
| Status Indicators |
Green LED per channel (active when input is detected) |
| Compliance |
UL 508, CE, RoHS |

Key Features and Benefits
The GE IC694MDL916 offers unmatched channel density with 32 inputs in a 1-slot design, maximizing rack space efficiency for large-scale systems. This high density reduces the number of modules needed to monitor dozens of field devices, lowering hardware costs and simplifying wiring complexity—especially valuable in facilities like automotive plants or logistics hubs with hundreds of sensors.
Its robust isolation (500V AC channel-to-channel) shields the RX3i PLC from electrical noise and ground loops, common in industrial environments with heavy machinery or variable power sources. This ensures accurate signal capture even when sensors are distributed across large areas, preventing false readings that could disrupt operations.
With a response time of less than 2ms, the GE IC694MDL916 ensures the PLC receives real-time updates from critical devices, such as emergency stop buttons or machine fault sensors. This speed is vital for time-sensitive applications, where delays could lead to safety incidents or production losses.
Each channel features a dedicated LED indicator, providing instant visual confirmation of signal presence. This simplifies troubleshooting, allowing maintenance teams to quickly identify wiring issues or faulty sensors without relying on software tools, reducing downtime. The module’s plug-and-play integration with RX3i backplanes minimizes setup time, ensuring rapid deployment in both new systems and existing installations.
Application Scenarios
The GE IC694MDL916 is widely deployed in automotive manufacturing plants, where RX3i PLCs use it to monitor 32 discrete signals from robotic welders (limit switches), conveyor belt sensors, and safety interlock switches on assembly stations. By consolidating these inputs, the module provides the PLC with a comprehensive view of production line status, enabling it to coordinate workflows and halt operations immediately if a safety breach is detected.
In warehouse automation, the GE IC694MDL916 tracks pallet position sensors, barcode scanner triggers, and conveyor jam alerts across a large facility. Its 32 channels efficiently capture these signals, allowing the RX3i PLC to optimize material flow, reroute packages, and prevent bottlenecks—critical for meeting tight delivery deadlines.
Water and wastewater treatment facilities utilize the GE IC694MDL916 to monitor float switches in storage tanks, valve position indicators, and pump run/stop statuses. This data enables the PLC to automate tank filling cycles and detect equipment malfunctions, ensuring consistent treatment processes and preventing overflows.
In semiconductor manufacturing cleanrooms, the module monitors door interlocks, air pressure sensors, and equipment readiness signals, providing the RX3i PLC with the data needed to maintain strict environmental controls and ensure product quality.
Related Models
GE IC694MDL914 – 16-channel digital input module, a compact alternative to the 32-channel GE IC694MDL916 for smaller-scale monitoring.
GE IC694MDL917 – 32-channel digital input module with extended temperature range (-20°C to 70°C), suitable for unconditioned enclosures where the GE IC694MDL916 may not operate.
GE IC694MDL926 – 32-channel digital output module, complementary to the GE IC694MDL916 for systems needing both input monitoring and output control.
GE IC694MDL915 – Previous generation 32-channel module with basic isolation, lacking the enhanced noise immunity of the GE IC694MDL916.
GE IC694MDL936 – 32-channel digital input module with AC voltage compatibility (120V AC), expanding beyond the GE IC694MDL916’s DC focus.
GE IC694MDL918 – 32-channel module with built-in surge protection, designed for outdoor applications where the GE IC694MDL916 requires external safeguards.
Installation and Maintenance
Installation of the GE IC694MDL916 requires an available 1-slot position in the RX3i rack, with the system powered down during insertion to prevent electrical damage. Use twisted-pair shielded cables for field connections, with shields grounded at the module end to minimize electromagnetic interference. Ensure the rack is properly grounded to maintain isolation effectiveness, and allow 50mm of clearance around the module for ventilation. Verify that input voltages fall within the 18-30V DC range to avoid damage to the module or connected sensors.
For maintenance, inspect the GE IC694MDL916 quarterly for loose terminal connections or corrosion, especially in humid environments. Clean dust from vents using compressed air to prevent overheating. Periodically test input responsiveness by activating connected devices and checking corresponding LED indicators—unresponsive channels may indicate wiring issues or sensor faults. As a preventive measure, replace the module every 6-8 years to ensure consistent performance in critical applications.
Product Warranty
The GE IC694MDL916 is backed by a one-year warranty from Xiamen Xiongba E-commerce Co., Ltd., covering manufacturing defects and performance issues under normal operating conditions. During the warranty period, we provide free replacement for any faulty units, ensuring minimal disruption to your automation systems. Our technical support team offers expert guidance on installation, wiring, and troubleshooting, leveraging over a decade of experience in industrial automation. We stand behind the reliability of the GE IC694MDL916, committed to delivering consistent performance and exceptional service to support your operational needs.
Company Introduction: We offer a one-year warranty and free replacement service:
Xiamen Xiongba E-commerce Co., Ltd. Branch specializes in the field of industrial automation, focusing on the sales of Distributed Control Systems (DCS), robot systems, and modules and spare parts for large-scale servo control systems. Our business covers a wide range of industrial automation products, including PLCs, MOTOROLA MVME industrial modules, Anybus communication converters, RTU remote modules, industrial PCs, low-frequency industrial displays, and SCSI human-machine interfaces. With over a decade of industry experience, Xiongba has grown into a global supplier of industrial automation spare parts. We source directly from overseas, offering products and parts from multiple countries and manufacturers. This helps solve customers' procurement challenges, ensures product quality, and provides a significant price advantage.