The GE IC694MDL646 RX3i DC Voltage Input Module is a rack-based I/O component used in PACSystems RX3i programmable automation controllers. It is engineered for mission-critical discrete and process applications, offering advanced diagnostics and flexible integration with field devices such as limit switches, push buttons, and proximity sensors.
Key Features
Model/Part Number:IC694MDL646
Series: PACSystems RX3i
Input Channels: 32-point DC voltage input (positive logic)
Nominal Input Voltage: 24 VDC
Voltage Range: 0–30 VDC (typical operating range 20–30 VDC)
Input Current: 6.5 mA per channel @ 24 VDC
Input Impedance: 3.5 kΩ
Logic Levels:
ON: >11 VDC
OFF: <5 VDC
Response Time: 1 ms ON / 1 ms OFF filter
Isolation: 250 VAC between field side and logic side
Backplane Current Consumption: 80 mA @ 5 VDC, 125 mA @ 24 VDC
Dimensions: 34 × 145 × 140 mm
Weight: ~0.26 kg
Approvals: UL 508, CSA C22.2 No. 142M1987, Class I Div. 2 Hazardous Locations
Applications
Monitoring discrete signals from industrial sensors and switches
High-speed digital input acquisition in manufacturing automation
Process control systems requiring reliable 24 VDC input monitoring
Energy, water treatment, and transportation industries
FAQ
Q: Can IC694MDL646 be hot-swapped? A: Yes, it supports hot insertion/removal within RX3i racks.
Q: What type of devices can be connected? A: Limit switches, push buttons, proximity sensors, and other 24 VDC discrete devices.
Q: Is it backward compatible with Series 90-30 modules? A: Yes, RX3i backplanes support legacy Series 90-30 I/O modules.
