Product Overview
The GE IC694MDL231 is a high-reliability digital output module designed for GE’s RX3i series programmable logic controllers (PLCs), serving as a critical interface between the PLC and external electrical devices such as motors, valves, solenoids, and alarm systems. As a 16-channel relay output module, its primary function is to convert digital signals from the RX3i processor into actionable control signals, activating or deactivating connected devices based on preprogrammed logic.
Integral to the RX3i ecosystem, the GE IC694MDL231 stands out for its relay-based outputs, which provide robust isolation between the PLC backplane and field devices—ideal for switching high-voltage or high-current loads safely. This isolation protects sensitive PLC components from voltage spikes or transients common in industrial environments. The module’s 16-channel design balances compactness with versatility, making it suitable for both small-scale control tasks and larger systems requiring multiple output points. By ensuring reliable switching performance, the GE IC694MDL231 directly contributes to consistent operation in automation setups, reducing the risk of unplanned downtime due to output failures.
Technical Specifications
| Parameter |
Value |
| Product Model |
IC694MDL231 |
| Manufacturer |
GE |
| Product Type |
Digital Output Module (Relay) |
| Output Channels |
16 (independent) |
| Output Type |
Form C electromechanical relays |
| Maximum Switching Voltage |
250V AC / 30V DC |
| Maximum Switching Current |
2A per channel (resistive load) |
| 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) |
| Isolation |
250V AC channel-to-backplane; 500V AC channel-to-channel |
| Protection Features |
Overcurrent protection (via external fuses); contact wear monitoring |
| Compliance |
UL 508, CE, RoHS |
| Power Consumption |
4.5W (from RX3i backplane) |
Key Features and Benefits
The GE IC694MDL231 offers exceptional versatility with 16 independent relay channels, allowing it to control multiple devices—from small solenoids to larger motor starters—within a single 1-slot module. This reduces rack space usage and simplifies wiring compared to using multiple smaller modules, lowering overall system costs.
Its electromechanical relays are designed for durability, with a rated lifespan of up to 100,000 operations at full load, ensuring long-term reliability in high-cycle applications such as packaging lines or material handling systems. The Form C (changeover) relay configuration provides flexibility, supporting both normally open (NO) and normally closed (NC) connections to match diverse device requirements.
The GE IC694MDL231 incorporates robust isolation features, with 250V AC between channels and the backplane, and 500V AC between individual channels. This prevents cross-talk and protects the RX3i PLC from voltage transients generated by inductive loads like motors or solenoids, a critical safeguard in noisy industrial environments.
Integrated LED status indicators for each channel simplify troubleshooting, allowing operators to quickly identify active or faulted outputs without specialized tools. The module’s seamless integration with RX3i backplanes ensures plug-and-play functionality, minimizing setup time and reducing the risk of configuration errors.
Application Scenarios
The GE IC694MDL231 is widely used in automotive assembly plants, where RX3i PLCs rely on it to control pneumatic valves for robotic grippers, conveyor belt motors, and status lights. Its relay outputs safely handle the 24V DC and 120V AC loads common in these environments, ensuring precise synchronization of assembly steps and reducing production bottlenecks.
In water and wastewater treatment facilities, the GE IC694MDL231 activates solenoid valves regulating flow between filtration stages and triggers alarm systems when sensor readings exceed threshold limits. Its robust isolation protects the PLC from electrical noise generated by pumps, ensuring consistent operation of critical treatment processes.
Food and beverage processing plants utilize the GE IC694MDL231 to control mixing tank agitators, filling machine actuators, and heating element contactors. The module’s ability to switch both low-voltage (24V DC) and line-voltage (230V AC) loads makes it adaptable to the diverse equipment found in these facilities, while its durability withstands washdown environments (when properly enclosed).
In building automation, the module manages HVAC dampers, lighting circuits, and security locks, connecting the RX3i PLC to building management systems for centralized control of energy usage and occupant comfort.
Related Models
GE IC694MDL230 – 8-channel relay output module, a compact alternative to the 16-channel GE IC694MDL231 for smaller systems.
GE IC694MDL241 – 16-channel transistor output module, designed for high-speed switching (DC loads only) where relay response time is too slow, contrasting with the GE IC694MDL231’s electromechanical design.
GE IC694MDL251 – 16-channel relay module with higher current rating (5A per channel), suitable for heavier loads than the GE IC694MDL231.
GE IC694MDL232 – 16-channel relay module with extended temperature range (-20°C to 70°C), ideal for unheated outdoor enclosures where the GE IC694MDL231’s standard range may be insufficient.
GE IC694MDL260 – Digital input/output combo module with 8 inputs and 8 relay outputs, a space-saving option for systems needing both functions alongside the GE IC694MDL231.
GE IC694MDL233 – 16-channel relay module with latching outputs, designed for safety-critical applications requiring maintained states during power loss, unlike the GE IC694MDL231’s non-latching relays.
Installation and Maintenance
Installation of the GE IC694MDL231 requires an available 1-slot position in the RX3i rack, with the system powered down during insertion to prevent electrical damage. Field wiring should use twisted-pair cables with proper shielding, grounded at both ends, to minimize interference. Each output channel must be protected by an external fuse (2A recommended for resistive loads) to prevent relay damage from overloads. Ensure the mounting rack is securely grounded to maintain isolation integrity, and allow at least 50mm of clearance around the module for ventilation.
For maintenance, inspect the GE IC694MDL231 quarterly for loose terminal connections or corrosion, especially in humid environments. Clean dust from vents using compressed air to avoid overheating. Monitor relay contact wear by checking for voltage drops across closed contacts—excessive drops indicate worn contacts requiring module replacement. As a preventive measure, replace the module every 5-7 years in high-cycle applications to avoid unexpected failures, or immediately if LEDs indicate persistent faults despite proper wiring.
Product Warranty
The GE IC694MDL231 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 guidance on wiring, fuse selection, and troubleshooting, leveraging over a decade of experience in industrial automation. We stand behind the reliability of the GE IC694MDL231, 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.
