The General Electric IC670MDL644 is a high-performance 16-point discrete input module designed for the GE Field Control I/O system. Engineered for rapid signal processing, this module supports both positive and negative logic configurations, providing flexibility for various industrial control applications. It features integrated LED status indicators for each input channel and a dedicated power status LED for the field supply.
Features
- 16 discrete input channels in a single group.
- Supports both positive and negative logic (source/sink).
- Fast response time: 25µs typical ON response.
- Integrated optoisolation between field inputs and internal logic.
- Status LEDs provide visual confirmation of input states and power health.
- Requires external 24VDC power for field devices.
Applications
- Automotive assembly line monitoring and quality control checkpoints.
- Oil, gas, and petrochemical facility valve position monitoring.
- High-speed manufacturing and packaging lines requiring fast signal throughput.
- Water treatment and utility infrastructure for remote pump and sensor monitoring.
Technical Specifications
| Model | IC670MDL644 |
| Input Points | 16 |
| Rated Voltage | 24VDC |
| Input Voltage Range | 0 to 30VDC |
| Input Current | 8.0mA per point at 24VDC |
| On-State Current | 3.0mA to 8mA |
| Off-State Current | 0mA to 1.5mA |
| Input Impedance | 3K Ohm typical |
| Isolation (User to Logic) | 250VAC continuous |
| Isolation (User to Ground) | 1500VAC for 1 minute |
| Bus Power Consumption | 80mA |
Installation Guidelines
- Ensure all power is disconnected from the Bus Interface Unit and field supply before installing or removing the module.
- To mount, tilt the I/O terminal block and hook the rear tabs securely over the top of the DIN rail.
- Pivot the assembly downward until the spring-loaded latches engage with an audible click.
- Tighten the DIN rail clamp screw to ensure the module is firmly seated and prevented from lateral movement.
- Maintain proper cable routing to separate signal wires from high-voltage or high-EMI sources to ensure signal integrity.
FAQ
What is the primary function of the IC670MDL644?
The IC670MDL644 acts as a bridge between field devices, such as limit switches or proximity sensors, and the GE Field Control Bus Interface Unit, converting 24VDC signals into digital data.
Does this module require external power?
Yes, while the module draws logic power from the internal bus, an external 24VDC power supply is required to energize the field-side input devices.
Can this module be used with different logic types?
Yes, the module is designed to support both positive (source) and negative (sink) logic, allowing for versatile integration into existing control architectures.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
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Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
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