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- IC694PWR321
- Power Module
- USA
- 50.8 x 146 x 137 mm
- 0.3 kg
- Xiamen, China
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Product Overview
The GE IC694PWR321 Power Module is an industrial-grade RX3i PACSystems power supply unit designed to provide stable and regulated DC power for PLC backplane systems. It supports both AC and DC input sources and is widely used in expansion and remote rack configurations within distributed automation architectures.
This module is known for its wide input voltage range, reliable output stability, and robust industrial protection features.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE (GE Fanuc / Emerson) |
| Model | IC694PWR321 |
| Product Type | Power Supply Module |
| System Compatibility | GE PACSystems RX3i |
| Input Voltage | 120/240 VAC or 125 VDC |
| Input Voltage Range | 85–264 VAC / 100–300 VDC |
| Output Power | 30 W total |
| Output Voltages | +5 VDC, +24 VDC (Relay), +24 VDC (Isolated) |
| Output Distribution | Multi-channel regulated outputs |
| 5 VDC Output | Up to 4 A (system dependent) |
| 24 VDC Output | Up to 0.8 A |
| Protection | Overcurrent, overvoltage protection |
| Backplane Type | RX3i serial backplane |
| Mounting Position | Typically leftmost slot (remote base) |
| Isolation | 1500 VAC input-to-backplane |
| Status Indicators | Power, OK, RUN LEDs |
| Material | Industrial-grade electronic module |
| Dimensions | 50.8 × 146 × 137 mm |
| Weight | 0.3 kg |
Function and Working Principle
The IC694PWR321 functions as a remote or expansion base power supply for RX3i systems.
Its operation includes:
- Accepting wide-range AC or DC input power
- Converting input into regulated DC outputs
- Supplying 5 VDC for CPU/backplane logic circuits
- Providing 24 VDC for relay and field device circuits
- Maintaining stable voltage under varying load conditions
- Ensuring safe isolation between input power and PLC backplane
It is specifically designed for remote base or expansion rack power distribution, not always for main rack use.
Role in Industrial Control Systems
Within GE RX3i architectures, the IC694PWR321 provides:
- Power supply for remote I/O racks
- Stable energy distribution for distributed PLC systems
- Support for modular system expansion
- Electrical isolation between field and control systems
- Reliable operation in networked automation setups
Industrial Applications
The IC694PWR321 is commonly used in:
- Distributed industrial automation systems
- Remote I/O control stations
- Manufacturing production lines
- Process control industries (chemical, oil & gas)
- Energy and utility systems
- Large-scale PLC network architectures
Installation and System Integration
Recommended installation practices include:
- Installing in RX3i remote base rack (leftmost slot)
- Connecting AC or DC input within rated range
- Ensuring proper grounding and shielding
- Avoiding overload beyond 30 W total capacity
- Verifying backplane and module compatibility
Compatible System Components
The IC694PWR321 typically works with:
- GE RX3i CPU modules
- RX3i I/O modules
- Remote I/O racks
- Genius or Ethernet communication modules
- Industrial field devices and sensors
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| IC694PWR321 | Power Module | Remote base power supply | Distributed systems |
| IC694PWR321B | Power Module | Updated version | RX3i systems |
| IC694CPU Series | CPU Module | Central processing | Main control systems |
| IC693PWR324 | Power Supply | AC/DC universal input | Flexible installations |
| IC693NIU004 | Network Interface Unit | Ethernet communication | Networked systems |
Key Advantages
- Wide AC/DC input compatibility
- Reliable 30 W industrial power output
- Designed for remote/expansion racks
- Strong electrical isolation protection
- Stable operation in harsh environments
- Seamless integration with RX3i systems
Technical FAQs
What is the main function of IC694PWR321?
It provides regulated power to RX3i remote or expansion PLC racks.
Can it be used in main racks?
It is primarily designed for remote or expansion bases, not always main racks.
What voltage does it support?
It supports 120/240 VAC and 125 VDC wide-range input.
What is its output capacity?
Approximately 30 W total output with 5 VDC and 24 VDC rails.
Conclusion
The GE IC694PWR321 Power Module is a reliable and versatile power solution for RX3i distributed PLC systems. With wide input compatibility, stable regulated outputs, and robust industrial protection, it is well-suited for remote I/O and expansion-based automation architectures.