The IC670MDL640 (Model: IC670MDL640) is a high-density discrete input module designed for the GE Fanuc Field Control I/O station. This module features 16 isolated input points that operate at a nominal 24VDC, facilitating the integration of field sensors, switches, and pushbuttons into a distributed control architecture. Engineered for versatility, the IC670MDL640 (Part Number: IC670MDL640) supports both positive and negative logic (Sinking/Sourcing), allowing it to interface seamlessly with a wide variety of industrial field devices.
Built as a plug-in component for the Field Control system, the IC670MDL640 (Model: IC670MDL640) emphasizes system reliability and electrical safety. It provides high-grade galvanic isolation of 1500 VAC between user inputs and the internal logic to prevent field-side transients from damaging the communication backplane or the Bus Interface Unit (BIU). Although currently discontinued by the manufacturer, it remains a vital replacement part for maintaining legacy Field Control installations in manufacturing and utility sectors.
The IC670MDL640 (Model: IC670MDL640) is designed to minimize electrical noise interference through its filtered input circuitry. Each of the 16 channels includes an RC filter that sets a typical response time of 6 ms, ensuring that contact bounce from mechanical switches does not trigger false logic states within the PLC. This timing is optimized for general-purpose sensing where high-speed pulse counting is not required but signal stability is paramount.
The IC670MDL640 (Part Number: IC670MDL640) provides precise signal acquisition with a robust electrical design.
| Feature | Details |
| Manufacturer | GE Fanuc (Emerson) |
| Model Number | IC670MDL640 |
| Product Line | Field Control I/O |
| Module Type | Discrete Input Module |
| Number of Points | 16 (Single Grouped) |
| Rated Voltage | 24 VDC |
| Input Voltage Range | 0 to 30 VDC |
| On-state Voltage | +15 to +30V (Pos) / -15 to -30V (Neg) |
| Off-state Voltage | 0 to +5V (Pos) / 0 to -5V (Neg) |
| Input Current | 7.5 mA per point (typical) |
| Input Impedance | 3k Ohms (typical) |
| Response Time | 6 ms typical (10 ms maximum) |
| Isolation Voltage | 1500 VAC (1 minute) / 250 VAC (continuous) |
| BIU Power Consumption | 75 mA (typical) / 83 mA (maximum) |
| Operating Temperature | 0°C to +60°C |
| Weight | 0.23 kg (0.50 lbs) |
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