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Product Introduction
The GE IC694MDL660 is a high-density DC discrete input module designed for the PACSystems™ RX3i control platform, delivering excellent performance in industrial automation environments requiring reliable signal acquisition. It provides 32 input points, each accepting 24/48 VDC signals, making it suitable for broad use cases in both standard and higher-voltage sensor networks.
Each input point in the IC694MDL660 is optically isolated from the PLC backplane and other channels, offering exceptional protection against electrical transients and grounding issues. The module is ideal for integrating digital sensors, limit switches, pushbuttons, and other field devices into a centralized control system. Built with flexibility and robustness in mind, it supports operation in demanding industrial environments.
Product Specifications
| Parameter | Description |
|---|---|
| Manufacturer | GE (General Electric) |
| Product Model | IC694MDL660 |
| Series | PACSystems RX3i |
| Product Type | Discrete DC Voltage Input Module |
| Number of Input Points | 32 |
| Input Voltage Range | 0–60 VDC (Nominal 24/48 VDC) |
| Input Threshold | ON ≥11 VDC; OFF ≤5 VDC |
| Typical Input Current | 7 mA @ 24 VDC |
| Group Isolation | 4 groups of 8 inputs each (mutually isolated) |
| Channel-to-Backplane Isolation | 250 VAC continuous isolation per group |
| Response Time | <1 ms |
| Backplane Current Draw | 75 mA @ 5 VDC |
| Input Type | Sinking/Sourcing-compatible with proper wiring |
| Status Indicators | 32 green LEDs (one per input) |
| Terminal Type | Removable terminal block |
| Mounting | RX3i rack-mountable |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5% to 95%, non-condensing |
| Dimensions (HxWxD) | 34 x 145 x 140 mm |
| Weight | 0.91 kg |
| Certifications | CE, UL, cUL, RoHS compliant |
Product Applications
The GE IC694MDL660 input module is designed for a wide range of industrial applications where accurate digital signal capture is essential. Applications include:
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Manufacturing Plants – For monitoring production line sensors, proximity detectors, and operator interface pushbuttons.
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Energy Automation – Used in power generation and distribution systems for monitoring breaker and relay states.
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Utilities and Water Systems – Integrates with flow sensors, pump feedback, and remote terminal units (RTUs).
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Material Handling – Ideal for conveyor systems, robotic arms, and elevator/lift monitoring.
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Process Control Systems – Common in petrochemical and pharmaceutical plants requiring multi-point digital acquisition.
Its voltage flexibility and multi-group isolation make it a powerful tool in both centralized control cabinets and distributed I/O nodes.
Product Advantages
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Wide Input Voltage Support: Accepts both 24 VDC and 48 VDC inputs, increasing deployment flexibility.
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High Channel Density: Offers 32 channels in a single module, reducing panel space and I/O footprint.
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Independent Isolation Groups: Provides four isolated groups, increasing noise immunity and system resilience.
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Field-Friendly Diagnostics: Individual input status LEDs simplify system commissioning and maintenance.
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Low Backplane Load: Consumes minimal power from the PLC backplane, ideal for large systems.
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Rugged Construction: Built for long-term operation in harsh industrial environments.
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Plug-and-Play with RX3i Systems: Seamless integration with GE’s RX3i series ensures quick deployment and compatibility.
Frequently Asked Questions (FAQ)
-
Q: What voltage levels can the IC694MDL660 handle?
A: It is designed to accept 24 VDC and 48 VDC input signals, and supports a range from 0 to 60 VDC. -
Q: How many input points does the module have?
A: It has 32 individual discrete input points. -
Q: Are the inputs isolated?
A: Yes, the inputs are grouped into four isolated sections, each containing 8 channels. -
Q: Can this module detect fast digital changes?
A: Yes, the typical response time is less than 1 millisecond. -
Q: Does it support both sourcing and sinking input devices?
A: Yes, with proper wiring configurations, both types are supported. -
Q: What are the diagnostic features?
A: Each channel has a dedicated LED that shows its ON/OFF status in real time. -
Q: What kind of wiring interface does it use?
A: It utilizes a removable terminal block for easy field wiring. -
Q: Can this module be hot-swapped?
A: No, the module should be replaced only with system power turned off. -
Q: Is the module compliant with industry certifications?
A: Yes, it is CE marked, UL listed, and RoHS compliant. -
Q: In which environments can it be used?
A: It is suitable for most industrial conditions, operating reliably between 0°C and 60°C with up to 95% humidity.
Related Models from the Same Series
| Model Number | Description | Input/Output Type | Voltage | Channels |
|---|---|---|---|---|
| IC694MDL645 | DC Input Module | Discrete Input | 24 VDC | 16 |
| IC694MDL655 | High-Density DC Input | Discrete Input | 24 VDC | 32 |
| IC694MDL654 | Positive Logic Input | Discrete Input | 24 VDC | 16 |
| IC694MDL740 | Relay Output Module | Discrete Output | 120 VAC | 8 |
| IC694MDL930 | DC Output Module | Discrete Output | 24 VDC | 32 |
| IC694ALG223 | Analog Input Module | Analog Input | 0–10V | 16 |
Popular Models from GE Automation (Same Brand)
| Model Number | Description | Type | Voltage/Current | Use Case |
|---|---|---|---|---|
| IC695CPU315 | RX3i CPU, 1MB Logic Memory | CPU | N/A | System controller |
| IC695PSA140 | RX3i 40W Power Supply | Power Supply | 120/240 VAC | Powers RX3i backplane |
| IC694ALG442 | Analog Output Module | Analog Output | ±10V, 4-20mA | Actuator control |
| IC695CHS012 | 12-Slot RX3i Universal Backplane | Backplane | N/A | Modular I/O assembly |
| IC695ETM001 | Ethernet Interface Module | Network Interface | N/A | Network communication |
| IC694MDL240 | AC Discrete Input Module | Discrete Input | 120 VAC | Switch/sensor integration |
