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Product Introduction
The GE IC694MDL655 is a high-density 24 VDC discrete input module designed for use with the RX3i PACSystems™ programmable automation controllers. As part of GE’s innovative RX3i series, this module provides reliable and robust DC voltage input functionality in industrial automation environments where performance, flexibility, and scalability are paramount.
This module is primarily designed to interface with field input devices such as switches, proximity sensors, and photoelectric sensors. It features 32 input points, arranged in four isolated groups of 8 inputs each, allowing for advanced electrical isolation and noise immunity. Its fast response time and compact design make it suitable for a wide range of industrial control applications in sectors such as manufacturing, energy, water treatment, and transportation.
Product Specifications
| Parameter | Description |
|---|---|
| Manufacturer | GE (General Electric) |
| Product Model | IC694MDL655 |
| Series | RX3i PACSystems |
| Product Type | Discrete DC Voltage Input Module |
| Number of Input Points | 32 |
| Input Voltage Range | 0 to 30 VDC (nominal 24 VDC) |
| Input Current (Typical) | 7 mA at 24 VDC |
| Input Threshold Voltage | On: ≥11 VDC; Off: ≤5 VDC |
| Isolation Groups | 4 groups of 8 inputs, each group isolated |
| Isolation Voltage | 250 VAC continuous |
| Response Time | <1 ms (typical) |
| Backplane Current Draw | 80 mA @ 5 VDC |
| Status Indicators | 32 LEDs (one per input point) |
| Terminal Type | Removable terminal block |
| Mounting | DIN rail or panel mount (as part of RX3i system) |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5% to 95% non-condensing |
| Dimensions (HxWxD) | 34 x 145 x 140 mm |
| Weight | 0.2 kg |
| Certifications | UL, CE, CSA, RoHS compliant |
Product Applications
The GE IC694MDL655 module is engineered for use in diverse and demanding industrial control systems. Typical applications include:
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Factory Automation – High-speed machine operation monitoring and sensor integration.
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Energy Sector – Real-time control of circuit breakers, transformers, and substations.
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Water and Wastewater – Monitoring of flow meters, pumps, and level detection systems.
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Transportation Systems – Integration with control panels for rail systems or airport conveyor controls.
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Process Industries – Petrochemical, pharmaceutical, and food & beverage process automation.
Its reliable operation and compact design make it a top choice for both centralized and distributed I/O configurations.
Product Advantages
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High-Density Input Configuration: 32 inputs in one compact module reduces panel space and wiring complexity.
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Advanced Isolation: Four separately isolated groups increase safety and reduce noise-related errors.
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Diagnostic LEDs: Individual point status LEDs provide at-a-glance input status, aiding in troubleshooting.
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Flexible Mounting Options: Compatible with DIN rail and panel mounting within RX3i racks.
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Low Power Consumption: Optimized to reduce backplane load and support energy-efficient design.
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Industrial-Grade Durability: Designed to withstand harsh industrial environments with wide temperature and humidity ranges.
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Seamless RX3i Integration: Easy installation and configuration within GE’s PACSystems environment.
Frequently Asked Questions (FAQ)
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Q: What is the input voltage range for the IC694MDL655?
A: The module supports an input voltage range of 0 to 30 VDC, with a nominal operating voltage of 24 VDC. -
Q: How many inputs does this module support?
A: It offers 32 discrete DC voltage input channels. -
Q: Are the inputs electrically isolated?
A: Yes, the 32 inputs are arranged into four groups of 8, with each group electrically isolated. -
Q: Is this module hot-swappable?
A: No, input modules like the IC694MDL655 are not typically hot-swappable. Always power down before replacement. -
Q: Can it be used with both sinking and sourcing sensors?
A: This module is compatible with sourcing-type input devices, which provide a positive voltage to the input terminal. -
Q: What kind of indicators does the module have?
A: It features 32 individual LEDs to show the ON/OFF status of each input point. -
Q: What systems is this module compatible with?
A: The IC694MDL655 is compatible with the RX3i PACSystems series from GE. -
Q: What is the maximum input current per channel?
A: Approximately 7 mA at 24 VDC. -
Q: Is this module compliant with safety and environmental standards?
A: Yes, it is UL listed, CE certified, CSA approved, and RoHS compliant. -
Q: Where can I use this module in an automation system?
A: It’s ideal for sensor input in PLC systems for applications like machine control, batch processing, and distributed I/O networks.
Related Models from the Same Series
| Model Number | Description | Input/Output Type | Voltage Range | Channels |
|---|---|---|---|---|
| IC694MDL645 | DC Input Module | Discrete Input | 24 VDC | 16 |
| IC694MDL654 | Positive Logic Input Module | Discrete Input | 24 VDC | 16 |
| IC694MDL750 | Relay Output Module | Discrete Output | 5–240 VAC/VDC | 8 |
| IC694MDL930 | 32-Point Output Module | Discrete Output | 24 VDC | 32 |
| IC694MDL640 | High-Density Input Module | Discrete Input | 24 VDC | 32 |
| IC694MDL660 | Isolated Input Module | Discrete Input | 24/48 VDC | 32 |
Popular Models from GE Automation (Same Brand)
| Model Number | Description | Module Type | Voltage/Current | Use Case |
|---|---|---|---|---|
| IC695CPU310 | RX3i CPU, 1MB User Memory | CPU/Controller | N/A | Core processing |
| IC694ALG442 | Analog Output Module (Voltage/Current) | Analog Output | ±10V, 4-20 mA | Process control |
| IC695PSA140 | RX3i Power Supply (40W) | Power Supply | 120/240 VAC | Powering RX3i racks |
| IC695CHS012 | 12-slot RX3i Backplane | Chassis | N/A | Modular I/O expansion |
| IC694MDL240 | 120 VAC Input Module | Discrete Input | 120 VAC | AC signal input |
| IC694ALG220 | Analog Input Module | Analog Input | 0–10V, 4–20 mA | Sensor input interface |
