IC670MDL640 | GE Fanuc Field Control 16-Point Input Module

Product Overview

The GE Fanuc IC670MDL640 is a 16-point discrete input module engineered for the Field Control series. It provides reliable digital signal acquisition for 24 VDC systems and is optimized for industrial automation environments requiring robust and noise-immune input handling.

With its single-group input configuration and broad voltage tolerance, the module ensures consistent performance and fast signal response across a wide range of DC applications. Its durable isolation and high input impedance make it suitable for long cable runs and electrically demanding installations.

Technical Specifications

• Manufacturer: GE Fanuc (Emerson)

• Product Line: Field Control

• Model Number: IC670MDL640

• Product Type: 16-Point Discrete Input Module

• Rated Voltage: 24 VDC nominal

• Input Voltage Range: 0 to 30 VDC

• Number of Channels: 16 isolated input points

• Input Signal (Nominal): 24 VDC

• Input Current: 7.5 mA per point at 24 VDC

• Input Impedance: Approximately 3 kΩ

• Isolation Voltage:

• 250 VAC continuous

• 1500 VAC for 1 minute (user input to logic and ground)

• Current Draw from BIU Power Supply: 75 mA typical; 83 mA maximum

• Logic Thresholds:

• On-State Voltage: +15 to +30 VDC (positive logic) / –15 to –30 VDC (negative logic)

• Off-State Voltage: 0 to +5 VDC (positive logic) / 0 to –5 VDC (negative logic)

• On-State Current: 3.0 mA to 8.0 mA

• Off-State Current: 0 to –5 VDC

• Input Response Time: 6 ms typical; 10 ms maximum (On/Off transition)

• Input Grouping: Single group of 16 points

• Module Weight: 0.50 lbs (0.23 kg)

Key Features

• Sixteen independent 24VDC discrete input points

• Broad voltage tolerance for flexible system design

• High input impedance reduces loading on field devices

• 1500 VAC isolation ensures safety and noise immunity

• Compact and modular design compatible with GE Field Control racks

• Fast signal transition times for responsive control performance

• Built for long-term reliability in harsh industrial environments

Applications

• Industrial machinery control systems

• Factory automation and process monitoring

• Material handling and packaging equipment

• Power distribution and energy management systems

• Building and transportation control applications

FAQ

Q1: What is the primary purpose of the IC670MDL640 module?
It detects digital (on/off) input signals from field devices such as switches, sensors, and relays, and transmits them to the control processor.

Q2: Can this module operate on negative logic systems?
Yes, it supports both positive and negative logic configurations, providing flexible integration options.

Q3: What type of isolation does the module provide?
The IC670MDL640 features 1500 VAC isolation between user input and logic or ground, ensuring electrical protection and reliability.

Q4: Is it compatible with other GE Field Control modules?
Yes, it is fully compatible with other GE Fanuc Field Control series modules and the Genius Bus Interface Unit.