OVERVIEW

Official designation: GE Fanuc IC694MDL645 (PACSystems RX3i, Discrete Input Module)

Role/Application: Provides sixteen 24 VDC digital input channels in a single group, configurable for positive or negative logic, used for monitoring industrial field devices.

KEY SPECS SUMMARY

Power: 80 mA at 5 VDC (backplane)

Interfaces / Ports: 20-pin connector (high density)

Indicators: Sixteen green channel LEDs

Operating Temp: 0 degrees C to 60 degrees C

Platform / Compatibility: PACSystems RX3i, Series 90-30

Limit: On/Off response time 7 ms typical

Lifecycle: Active, manufactured by Emerson

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the required on-state voltage range for the IC694MDL645 input points?

A: The required on-state input voltage range is 11.5 to 30 VDC.

Wiring & Installation:

Q: Which terminal block is required for field device wiring to the 20-pin connector?

A: The module requires a high-density 20-point terminal block, such as the IC694TBBx32.

Troubleshooting & Compatibility:

Q: How can the module be configured for different field device wiring types?

A: The module supports both positive logic and negative logic wiring configurations.

Replacement & Upgrades:

Q: Does the IC694MDL645 module support hot-swap capability in the RX3i backplane?

A: Yes, the module supports hot-swap installation and removal from the RX3i Universal backplane.