GE IC670MDL640 – Field Control 24VDC 16-Point Discrete Input Module

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Product Introduction:

The IC670MDL640 is a high-density discrete input module from the GE Fanuc (now Emerson Automation) Field Control series. Designed to interface digital field devices with PLC systems via the Genius Bus, it provides 16 grouped input channels supporting both positive and negative logic. Engineered for harsh industrial environments, it delivers reliable signal acquisition for sensors, switches, and relay contacts in distributed I/O architectures.

Technical Specifications

Manufacturer: GE Fanuc (Emerson Automation)
Model: IC670MDL640
Series: Field Control (Genius Bus)
Module Type: Discrete Digital Input Module
Input Channels: 16 points, single group
Input Voltage Range: 0–30VDC (24VDC nominal)
Input Logic: Positive (PNP) or Negative (NPN) configurable
On-State Voltage: +15 to +30VDC (positive); -15 to -30VDC (negative)
Off-State Voltage: 0 to +5VDC (positive); 0 to -5VDC (negative)
Input Current: 7.5mA per channel @24VDC
On-State Current: 3.0–8.0mA
Off-State Current: 0–1.5mA
Response Time: 6ms typical; 10ms maximum (ON/OFF)
Power Consumption: 75mA typical (all inputs ON); 83mA maximum (from BIU)
Isolation: 250VAC continuous; 1500VAC for 1 minute (channel-to-backplane)
Input Impedance: 3kΩ typical
Dimensions (L×W×D): 50.8mm × 76.2mm × 88.9mm (2.0” × 3.0” × 3.5”)
Weight: 0.23kg (0.51lbs)
Operating Temperature: 0°C to +60°C (32°F to 140°F)
Storage Temperature: -40°C to +85°C (-40°F to 185°F)
Relative Humidity: 5%–95% (non-condensing)
Certifications: CE, UL 508, CSA C22.2
Bus Compatibility: Genius Bus (via BIUs like IC670GBI002)
Mounting: DIN rail or panel mount

Key Features

Dual Logic Compatibility: Supports both positive (PNP) and negative (NPN) logic, enabling seamless integration with diverse sensor types and regional wiring standards.
High Channel Density: 16 input points in a compact form factor optimize cabinet space for large-scale I/O applications.
Fast Response Time: 6ms typical response ensures real-time detection of state changes for time-critical processes.
Robust Electrical Isolation: 250VAC continuous isolation shields the PLC backplane from field-side noise, voltage spikes, and ground loops.
LED Diagnostic Indicators: Individual channel status LEDs (per module) for quick visual troubleshooting of input states.
Hot-Swappable Design: Enables module replacement without system shutdown, minimizing maintenance downtime.
Wide Environmental Tolerance: Operates reliably across extended temperature and humidity ranges for deployment in harsh factory floors and outdoor enclosures.
Screw-Terminal Connection: Simplifies field wiring with secure, vibration-resistant terminals.