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Product Overview
The GE Fanuc IC694MDL940C is a high-density Discrete Output Module that operates on 24 VDC and provides 32 output points in a compact form factor, designed for GE RX3i PACSystems. This module delivers high-speed ON/OFF switching for digital devices such as relays, solenoids, contactors, and indicators. While often referred to in systems as part of voltage output groups, this model is not an analog voltage output module, but rather a digital (discrete) output module with voltage-based logic signaling.
This model is ideal for applications where reliable, fast, and noise-immune switching of multiple DC-powered devices is essential. It integrates seamlessly into GE Fanuc PACSystems and is engineered for both efficiency and robustness, supporting direct connection to 24V field devices.
Key Features
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32 discrete DC output points, grouped in 4 sets of 8 points
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24 VDC source-type outputs for wide compatibility with industrial actuators and indicators
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High-speed output switching with quick response time
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Group isolation between output groups for fault containment
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Removable terminal block for ease of wiring and maintenance
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Diagnostic LEDs for module and individual point status
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Short-circuit protection per group
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Supports hot-swap when used in RX3i racks
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Compact size ideal for high-density I/O applications
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Discrete Digital Output Module |
| Model Number | IC694MDL940C |
| System Platform | GE Fanuc PACSystems RX3i |
| Number of Outputs | 32 Output Points |
| Output Type | Source (sourcing) |
| Output Voltage | 24 VDC nominal (range 18–30 VDC) |
| Output Current | 0.5 A per point (max), 4 A per group (max) |
| Response Time | <0.5 ms On/Off |
| Output Groups | 4 groups of 8 points (isolated from each other) |
| Protection Features | Short-circuit protection (per group), overload, overtemperature |
| Status Indicators | Module OK, Individual point status LEDs |
| Backplane Current | 120 mA @ 5 VDC |
| Isolation | 1500 V (field to logic and group-to-group) |
| Terminal Block Type | Removable (screw or spring-clamp options) |
| Hot Swap Capability | Yes |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95%, non-condensing |
| Dimensions | 34 x 145 x 140 mm |
| Weight | 0.159 kg |
| Certifications | UL, cUL, CE, RoHS |
Industry Applications
The IC694MDL940C is widely deployed across industries that require digital control of field devices, particularly where space optimization and high-point density are critical:
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Manufacturing and Assembly Lines – Controlling motors, relays, and lighting
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Material Handling Systems – Managing conveyor actuators and diverters
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Building Automation – Controlling alarms, fans, lights, and access systems
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Oil & Gas – Field device control in hazardous-rated environments (with isolation)
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Power Generation – Contact signaling and equipment control
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Water & Wastewater Treatment – Remote valve and pump control
Product Advantages
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High I/O density in a compact module saves valuable rack space
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Sourcing outputs ensure compatibility with NPN-type devices
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Fast response times improve real-time control capability
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Field wiring flexibility with removable terminal block
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Robust isolation and protection features improve system safety and uptime
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Modular design supports system scaling in growing automation applications
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Diagnostic LEDs provide quick visual feedback and troubleshooting
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Supports hot-swapping, reducing system downtime during maintenance
Frequently Asked Questions (FAQ)
1. Is the IC694MDL940C an analog voltage output module?
No, it is a discrete (digital) output module that outputs 24 VDC logic signals.
2. How many outputs does this module have?
It provides 32 digital output points, organized in 4 isolated groups.
3. Can it be used to control analog devices?
Only indirectly — it can control digital relays or interfaces that drive analog equipment, but not analog output directly.
4. Is this module hot-swappable?
Yes, it can be replaced while the system is powered on, as long as the rack supports hot-swap functionality.
5. What types of loads can it drive?
It can drive solenoids, contactors, indicator lamps, and other 24 VDC digital devices.
6. What is the current capacity per output point?
Each point can source up to 0.5 A, with 4 A maximum per group.
7. Does the module have short-circuit protection?
Yes, it includes short-circuit protection per group.
8. What kind of isolation is provided?
There is 1500 V isolation between the field side and the logic side, and between groups.
9. Is configuration required?
No detailed configuration is needed; it is recognized by the system and used as a digital output interface.
10. What is the typical application of this module?
Typical use includes ON/OFF control of field devices like relays, lamps, motors, and digital indicators.
Related GE Fanuc Output Modules
| Model | Description |
|---|---|
| IC694MDL930 | 32-Point DC Output Module (Sink) |
| IC694MDL754-CD | 8-Channel Analog Voltage Output Module |
| IC694MDL748 | 8-Point Relay Output Module |
| IC694MDL645 | 32-Point Digital Input Module |
| IC695ALG600 | 4-Channel Analog Output Module |
| IC695MDL940 | RX3i Version of High-Density 24VDC Output Module |
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