Product Overview

The GE Fanuc IC670MDL233 is an isolated input module with 8 discrete 120V AC inputs. This Field Control module operates at a frequency of 47 to 63 Hertz for global compatibility. Engineers use the IC670MDL233 to connect AC field devices such as limit switches, pushbuttons, and proximity sensors. Its eight input points provide reliable status detection for industrial control systems. This module suits applications that need AC input isolation and noise filtering.

Technical Specifications

The GE Fanuc IC670MDL233 delivers robust AC input detection with high isolation ratings.

• Number of Inputs: Eight (8) discrete isolated inputs.
• Rated Voltage: 120 Volts AC nominal.
• Input Voltage Range: 0 to 132 Volts AC.
• Input Frequency: 47 to 63 Hertz.
• User Input Current: 13 milliamps per point at rated voltage.
• Input Impedance: 10K ohms (typical).
• On-state Voltage Range: 70 to 120 Volts AC.
• Off-state Voltage Range: 0 to 20 Volts AC.
• On-state Current Range: 5 to 15 milliamps.
• Off-state Current Range: 0 to 2.5 milliamps.
• Response Time (On): 10 milliseconds typical, 20 milliseconds maximum.
• Response Time (Off): 20 milliseconds typical, 40 milliseconds maximum.
• Isolation Voltage (Continuous): 250 Volts AC.
• Isolation Voltage (1 Minute): 1500 Volts AC.
• Current Draw from BIU: 40 milliamps maximum.
• Status Indicators: PWR LED and dedicated input status LEDs.

Input Voltage and Current Characteristics

The GE Fanuc IC670MDL233 accepts a wide input voltage range from 0 to 132 Volts AC. The unit operates at a nominal rated voltage of 120 Volts AC standard. User input current reaches 13 milliamps per point at the rated voltage level. Input impedance measures 10K ohms typical for consistent loading of field devices. On-state voltage ranges from 70 to 120 Volts AC for reliable signal detection. Off-state voltage ranges from 0 to 20 Volts AC for clear distinction of inactive inputs. On-state current flows between 5 and 15 milliamps when the input is active. Off-state current stays between 0 and 2.5 milliamps when the input is inactive. These specifications ensure the IC670MDL233 works properly with standard AC sensors. The module requires bus interface power while input devices are powered by an internal supply.

Response Time and Filtering Performance

The GE Fanuc IC670MDL233 offers predictable response times for AC input detection. Turn-on response time reaches 10 milliseconds typical for fast signal recognition. Maximum turn-on response time reaches 20 milliseconds under worst-case conditions. Turn-off response time reaches 20 milliseconds typical for input deactivation. Maximum turn-off response time reaches 40 milliseconds for reliable off-state detection. The module offers filtering of the input signal due to internal component functionality. This filtering removes noise and contact bounce from mechanical switches. The longer off-state response time helps prevent false triggering from line noise. The IC670MDL233 responds within predictable time windows for consistent control logic. The data buffer contains status data from all 8 inputs for easy CPU access.

Isolation and Electrical Protection

The GE Fanuc IC670MDL233 provides high isolation between input channels and the logic side. Continuous isolation voltage reaches 250 Volts AC for normal operation. For one minute, isolation withstands 1500 Volts AC during certification testing. Special isolators enable isolation between different components inside the module. This high isolation protects the backplane and CPU from field wiring faults. The isolation design reduces noise transmission from AC inputs to the logic circuits. The IC670MDL233 has a rated voltage of 120 Volts AC for standard industrial applications. Maximum bus interface current draw reaches only 40 milliamps for low power consumption. The module includes circuit protection for reliable long-term operation. Isolation characteristics meet industrial standards for safety and noise immunity.

Status Indicators and Diagnostics

The GE Fanuc IC670MDL233 features multiple LED indicators for status monitoring. A PWR LED indicates the condition of the backplane power supply. Dedicated LED indicators show the on and off status of each input channel. These circuit LED indicators display the input status at a glance. Operators can see which inputs are active without special tools. The IC670MDL233 LED indicators help troubleshoot field wiring problems quickly. Each LED lights when the corresponding input detects an on-state voltage. The data buffer contains data from all 8 inputs for CPU scanning. The bus interface unit reads this data buffer during each I/O scan. The module communicates input status to the host controller without programming.

Installation and Environmental Guidelines

Mount the GE Fanuc IC670MDL233 into a Field Control terminal block connected to a BIU. The module inserts directly into the I/O station without special tools. Attached input devices are powered by an internal power supply. The module has a maximum bus interface current draw of 40 milliamps. Keep AC input wiring separated from low-voltage DC signals. The IC670MDL233 has an open enclosure design requiring panel installation. Operating temperature ranges from 0°C to 60°C (32°F to 140°F) standard for Field Control. The module works with 47 to 63 Hz power frequencies worldwide. Use proper grounding techniques to reduce noise on AC input circuits. The compact design saves space in control cabinets.

Package Contents

When you unbox the GE Fanuc IC670MDL233, you will find these items:

• 1 x GE Fanuc IC670MDL233 isolated input module.
• 1 x Terminal block for field wiring connections.
• 1 x Product label and identification tag.
• 1 x Quick reference installation guide.

Frequently Asked Questions (FAQ)

What voltage does the IC670MDL233 accept?

The **IC670MDL233** accepts 120 Volts AC nominal with a range of 0 to 132 Volts AC. Input frequency ranges from 47 to 63 Hertz for worldwide use.

How many input points does the GE Fanuc IC670MDL233 have?

This module has eight (8) discrete isolated input points. Each point has dedicated LED status indication for easy troubleshooting.

What is the response time of the IC670MDL233?

The **IC670MDL233** turns on in 10 ms typical (20 ms maximum) and turns off in 20 ms typical (40 ms maximum). This ensures reliable AC input detection.

What isolation does the IC670MDL233 provide?

Continuous isolation is 250 Volts AC. For one minute, the **IC670MDL233** withstands 1500 Volts AC between inputs and logic circuits.

How much current does the IC670MDL233 draw from the BIU?

The **IC670MDL233** draws a maximum of 40 milliamps from the bus interface unit power supply. This low draw allows many modules per station.