DC Voltage Output Solution – GE IC694MDL646 | PACSystems RX3i Series
Where This Product Is Used
The GE IC694MDL646 is a 16-point, 24VDC discrete output module designed for the GE PACSystems RX3i platform. It is widely deployed across demanding industrial environments where reliable digital output control is critical:
- Automotive Manufacturing – Conveyor line control, robotic arm sequencing, and assembly station interlocking.
- Oil & Gas Processing – Valve actuation, pump control, and emergency shutdown (ESD) systems.
- Water & Wastewater Treatment – Pump station automation, dosing control, and SCADA-integrated output loops.
- Food & Beverage – Filling line control, packaging machine sequencing, and CIP (Clean-In-Place) valve management.
- Power Generation & Utilities – Breaker control, load shedding, and substation automation panels.
- Pharmaceutical – Batch process control, isolator valve actuation, and cleanroom HVAC management.
Technical Specifications
| Part Number | IC694MDL646 |
| Series | PACSystems RX3i |
| Module Type | Discrete DC Voltage Output |
| Output Points | 16 Points |
| Output Voltage | 24 VDC |
| Output Current (per point) | 0.5 A |
| Total Module Current | 4 A max |
| Output Type | Sourcing (PNP) |
| Isolation | Optical isolation between field and backplane |
| Backplane Compatibility | IC694 Universal Backplane |
| Operating Temperature | 0°C to 60°C |
| Weight | 900 g (approx.) |
| Manufacturer | GE (General Electric) / Emerson Automation |
Why Engineers Specify This Model
- High-density output – 16 points per slot maximizes I/O density in space-constrained panels.
- Optical isolation – Protects the backplane and CPU from field-side voltage transients and ground loops.
- Sourcing (PNP) output – Compatible with the majority of industrial sensors and actuators used in Asian and European markets.
- Hot-swap capable – Supports module replacement without powering down the rack (with appropriate RX3i backplane configuration).
- Diagnostic LEDs – Per-point status LEDs enable rapid field troubleshooting without a programmer.
- Proven platform longevity – PACSystems RX3i has a 20+ year installed base with active Emerson support.
Complete System Bill of Materials
For a complete RX3i output control system using the IC694MDL646, engineers typically specify:
- CPU: IC695CPE302 or IC695CPE330 (PACSystems RX3i CPU)
- Backplane: IC694CHS392 (9-slot) or IC694CHS397 (12-slot)
- Power Supply: IC694PWR321 (24VDC input) or IC694PWR330 (120/240VAC)
- Output Module: IC694MDL646 (this unit)
- Terminal Block: IC694TBB032 or equivalent field wiring terminal assembly
- Programming Software: Proficy Machine Edition (PME) v9.5+
Compliance & Industry Standards
- CE Marked – Compliant with EU Low Voltage and EMC Directives
- UL Listed – UL 508 (Industrial Control Equipment)
- RoHS Compliant
- IEC 61131-2 – Programmable Controllers: Equipment Requirements and Tests
- ATEX / IECEx: Not rated for Zone 0/1 hazardous areas without external barriers
Quality Assurance & Sourcing
All GE PACSystems modules sold through Konmask.com undergo a structured quality verification process:
- Visual inspection for physical damage, corrosion, and counterfeit indicators
- Firmware version verification against GE/Emerson release records
- Functional power-on test where applicable
- Sourced from authorized distributors, OEM surplus, or decommissioned systems with documented provenance
- Shipped in anti-static packaging with individual serial number logging
How to Source This Part
To place an order or request a formal quotation for the IC694MDL646:
- Online: Add to cart directly on this page
- Email: support@konmask.com with your PO or RFQ
- Phone/WhatsApp: +0086 19859288691
- Lead Time: In-stock units ship within 1–3 business days; ex-stock orders confirmed within 24 hours
- Minimum Order: 1 unit
- Export: Available for international shipment; DDP/DAP Incoterms supported
Application-Specific FAQ
Q: Is the IC694MDL646 compatible with the RX3i Universal Backplane?
A: Yes. It slots into any IC694 series universal backplane without adapter hardware.
Q: Can this module drive 24VDC solenoid valves directly?
A: Yes, up to 0.5 A per point. For higher-current loads, use an interposing relay or solid-state relay (SSR).
Q: Is this module still in production by GE/Emerson?
A: The RX3i platform is actively supported by Emerson. Availability may vary; contact us to confirm current stock and lead time.
Q: What is the difference between IC694MDL646 and IC694MDL645?
A: The MDL645 is a relay output module; the MDL646 is a solid-state DC voltage output module — faster switching, no mechanical wear.
Q: Do you provide a warranty?
A: Yes. All units carry a 90-day functional warranty. Extended warranty options available on request.
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Contact: support@konmask.com | +0086 19859288691
