PW442-50-S2 Yokogawa CENTUM VP Power Supply Module
Manufacturer: Yokogawa
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Part Number: PW442-50
Condition：New with Original Package
Product Type: Power Supplies
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Yokogawa PW442-50-S2 Power Supply Module
The Yokogawa PW442-50-S2, also cataloged as the PW442-50 Power Supply Module, operates as a dedicated hardware component for power distribution and conversion within CENTUM VP Distributed Control System platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PW442-50-S2 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.45 kg (1.00 lbs) |
| Dimensions | Standard CENTUM VP rack mounting profile |
| Operating Temp | 0 deg C to 50 deg C (Refer to system enclosure guidelines) |
| Power Consumption | Input rating: 220-240 V AC, 50/60 Hz; Output current: 0.7-4 A |
| Rated Input Voltage | 220-240 V AC |
| Input Frequency | 50/60 Hz |
| System Application | CENTUM VP Distributed Control System (DCS) |
| Redundancy Support | Dual-redundant configuration supported |
4-20 mA HART Loop Protocol and Channel Isolation
The module stabilizes system distribution busses while supporting connected input/output cards that drive 4-20 mA HART loop protocol instruments across the plant network. Comprehensive channel-to-channel isolation safeguards low-voltage internal logic circuits against hazardous transient spikes originating from primary AC power feeds. Additionally, internal cold junction compensation (CJC) circuits maintain thermal stability for associated field signal conditioners, preventing voltage drift during continuous high-load operations.
Frequently Asked Questions
Q: Can the PW442-50-S2 power supply module be replaced under active system power?
A: Hot-swapping depends entirely on the specific rack backplane design and whether a dual-redundant secondary module is actively carrying the load; verify cabinet policies beforehand.
Q: How do dual-redundant power modules manage load sharing?
A: Redundant units operate in parallel diode-OR configurations, balancing current draws automatically without interrupting backplane output voltages.
Q: What precautions are necessary when wiring the AC input terminals?
A: Ensure the primary AC supply is completely isolated upstream, and secure earth-ground connections firmly to the chassis grounding lug.
Field Installation Guidelines
- Verify that the primary 220-240 V AC power source is locked out and tagged out before handling the module.
- Wear an ESD-compliant wrist strap to prevent static discharge damage to internal regulation components.
- Slide the module evenly along the designated enclosure guide slot until the rear power connectors engage fully with the backplane.
- Check the front-panel status indicators after energizing the system to confirm proper AC input and DC output voltage regulation.