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Product Description

High-Voltage Signal Monitoring for PACSystems RX3i

The GE Fanuc IC694MDL240A (also cataloged as IC694MDL240) is a 120 VAC discrete input module designed for the PACSystems RX3i controller platform. This module provides 16 isolated input points, allowing the system to monitor high-voltage AC signals from field devices such as pushbuttons, limit switches, and motor starter auxiliary contacts. By supporting a standard 120 VAC interface, the IC694MDL240A eliminates the need for interposing relays when interfacing with industrial power circuits, streamlining cabinet design and reducing hardware costs.

Reliable AC Sensing and Noise Immunity

Engineered for stability in electrically noisy environments, the IC694MDL240A features an integrated reactive filtering circuit to prevent false triggering from transient spikes. The 16 input points are arranged in a single group with a common power return, simplifying wiring for localized field device clusters. Each channel includes an individual LED status indicator on the front panel, providing immediate visual diagnostics for troubleshooting logic states. The module operates across a broad frequency range (47–63 Hz), making it suitable for global power standards in utilities, manufacturing, and oil and gas processing.

Detailed Technical Specifications

Feature Specification Details
Manufacturer GE Fanuc / Emerson
Model Number IC694MDL240A
Module Type Discrete AC Input
Number of Points 16 (Single group)
Nominal Input Voltage 120 VAC (50/60 Hz)
Input Voltage Range 0 to 132 VAC
On-state Voltage 74 to 132 VAC
Off-state Voltage 0 to 20 VAC
On-state Current 6 mA (typical)
Typical Input Current 12 mA at 120 VAC
On Response Time 30 ms typical
Off Response Time 45 ms maximum
Backplane Current Draw 90 mA from 5V bus
Isolation 1500 VAC (for 1 minute); 250 V continuous
Operating Temperature 0 °C to +60 °C (32 °F to 140 °F)

 

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