Description
The General Electric IC670MDL644 is a high-performance 24VDC discrete input module designed for the GE Field Control distributed I/O system. This fast-response module features 16 input points capable of supporting both positive and negative logic configurations, making it a versatile solution for complex industrial automation environments.
Features
- 16 discrete input channels for high-density signal monitoring.
- Supports both positive and negative (sink/source) logic input types.
- Fast response times with a typical ON delay of 25µs.
- Integrated LED status indicators for each input point and a dedicated power status LED.
- Robust isolation: 250 VAC continuous user-to-logic isolation and 1500 VAC user-to-frame ground isolation.
- Designed for integration with the GE Field Control Bus Interface Unit (BIU).
Technical Specifications
| Model Number |
IC670MDL644 |
| Input Points |
16 |
| Rated Voltage |
24 VDC |
| Input Voltage Range |
0 to 30 VDC |
| Input Impedance |
3K Ohms typical |
| Logic Thresholds |
Positive: +15V to +30V; Negative: -15V to -30V |
| Current Consumption |
80 mA from Bus Interface Unit |
| On Response Time |
25µs typical (60µs max) |
| Weight |
0.22 kg |
Applications
- Automotive assembly line monitoring and quality control checkpoints.
- Oil and gas sector for monitoring valve positions and field device status.
- High-speed food and beverage packaging lines requiring fast signal throughput.
- Municipal water treatment facilities for pump station and sensor telemetry.
Installation Guidelines
- Ensure all power is disconnected from the I/O rack before installing or removing the module.
- To install, tilt the terminal block and hook the rear tabs onto the DIN rail.
- Pivot the module downward until the spring-loaded latch securely clicks into position.
- Tighten the DIN rail clamp screw to ensure the module is firmly fixed and to prevent vibration-induced movement.
- Maintain proper clearance for cooling and ensure that shielded cabling is used to minimize EMI interference in high-noise environments.
FAQ
What is the primary function of the IC670MDL644?
This module acts as a bridge between field devices, such as limit switches or pushbuttons, and the control system, converting 24VDC signals into digital data for the Bus Interface Unit.
Does this module require external power?
Yes, while the module draws logic power from the Bus Interface Unit, an external 24VDC power supply is required to energize the field-side input devices.
Can this module be used for both sink and source inputs?
Yes, the IC670MDL644 is designed to handle both positive and negative logic, allowing it to interface with a wide range of field sensor configurations.
