OVERVIEW

Official designation: GE Fanuc IC694MDL240 (PACSystems RX3i, AC Voltage Discrete Input Module)

Role/Application: A single-slot module for the RX3i system, providing 16 non-isolated input points for monitoring 120 VAC discrete field devices such as pushbuttons and limit switches in industrial applications.

KEY SPECS SUMMARY

Power: 90 mA from 5 VDC bus on backplane (all inputs on)

Interfaces / Ports: Terminal Block (20 screws), one common for 16 inputs

Indicators: 16 green LEDs (one per channel for ON/OFF status)

Operating Temp: 0 degrees C to 60 degrees C

Platform / Compatibility: PACSystems RX3i, installs in any I/O slot

Limit: On-state voltage 74 to 132 VAC, 30 ms ON / 45 ms OFF response

Lifecycle: Active or Discontinued, varies by model/revision

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the continuous isolation voltage between the field and the backplane?

A: The module provides a continuous optical isolation of 250 VAC between the field and backplane.

Wiring & Installation:

Q: What distinguishes the IC694MDL240 as a high-voltage module?

A: Red bands on the module label indicate that the IC694MDL240 is a high-voltage module.

Troubleshooting & Compatibility:

Q: What input devices are compatible with the MDL240's reactive input circuits?

A: Inputs are compatible with pushbuttons, limit switches, and electronic proximity switches.

Replacement & Upgrades:

Q: How does ambient temperature affect the maximum number of simultaneous inputs allowed?

A: The maximum number of simultaneous active inputs decreases as the ambient temperature increases.