YOKOGAWA PW301 Supply Modules
The Yokogawa PW301, also cataloged as the PW301 Power Supply Module, serves as the primary PW301 Power Supply Module utilized to execute primary power conversion across Yokogawa CENTUM DCS platforms. It converts incoming AC mains distribution into regulated DC voltage rails to power node processor hardware, backplane buses, and associated I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PW301 |
| Brand | Yokogawa |
| Origin | USA |
| Weight | 3.3 kg |
| Dimensions | 27.9 cm x 10.2 cm x 27.9 cm |
| Operating Temp | 0 to 50 deg C |
| Power Consumption | Standard CENTUM load profile |
| Input Voltage | 100-120 VAC |
| Features | Dual-Redundant Design, Hot-Swappable |
| Protection | Fused Outputs |
| Diagnostics | Status Indicators, Programmable Relay Outputs |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation
The PW301 incorporates internal power regulation and high-level galvanic isolation to block mains power noise from coupling onto system buses. By providing clean, noise-free DC rails to downstream analog modules, it preserves channel-to-channel isolation barriers and protects delicate signal paths. This stable voltage foundation prevents signal distortion across connected 4-20 mA HART loop communication networks and sensitive I/O interfaces.
Frequently Asked Questions
Q: How does the PW301 power supply module handle online maintenance in dual-redundant configurations?
A: The PW301 features a hot-swappable architecture that allows an individual module to be removed or replaced while the control station remains energized, ensuring uninterrupted backplane power and continuous DCS operation.
Q: What mechanisms protect downstream DCS I/O hardware in the event of an overcurrent condition on the PW301 output?
A: The module utilizes fused outputs to instantly isolate overcurrent conditions, preventing localized electrical faults from causing damage to connected system modules or pulling down the main DC bus voltage.
Field Installation Guidelines
- Confirm the control station rack chassis is firmly grounded via a low-resistance protective earth strap before sliding the PW301 into its assigned power slot.
- Align the module with the guide rails and slide it into the slot until the backplane multi-pin connector seats fully, then hand-tighten all module retention screws.
- Wire the 100-120 VAC input terminals securely and route power cables separately from low-voltage instrument wiring channels to eliminate electromagnetic coupling.
YOKOGAWA PW301 Supply Modules
YOKOGAWA PW301 Supply Modules
The Yokogawa PW301, also cataloged as the PW301 Power Supply Module, serves as the primary PW301 Power Supply Module utilized to execute primary power conversion across Yokogawa CENTUM DCS platforms. It converts incoming AC mains distribution into regulated DC voltage rails to power node processor hardware, backplane buses, and associated I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PW301 |
| Brand | Yokogawa |
| Origin | USA |
| Weight | 3.3 kg |
| Dimensions | 27.9 cm x 10.2 cm x 27.9 cm |
| Operating Temp | 0 to 50 deg C |
| Power Consumption | Standard CENTUM load profile |
| Input Voltage | 100-120 VAC |
| Features | Dual-Redundant Design, Hot-Swappable |
| Protection | Fused Outputs |
| Diagnostics | Status Indicators, Programmable Relay Outputs |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation
The PW301 incorporates internal power regulation and high-level galvanic isolation to block mains power noise from coupling onto system buses. By providing clean, noise-free DC rails to downstream analog modules, it preserves channel-to-channel isolation barriers and protects delicate signal paths. This stable voltage foundation prevents signal distortion across connected 4-20 mA HART loop communication networks and sensitive I/O interfaces.
Frequently Asked Questions
Q: How does the PW301 power supply module handle online maintenance in dual-redundant configurations?
A: The PW301 features a hot-swappable architecture that allows an individual module to be removed or replaced while the control station remains energized, ensuring uninterrupted backplane power and continuous DCS operation.
Q: What mechanisms protect downstream DCS I/O hardware in the event of an overcurrent condition on the PW301 output?
A: The module utilizes fused outputs to instantly isolate overcurrent conditions, preventing localized electrical faults from causing damage to connected system modules or pulling down the main DC bus voltage.
Field Installation Guidelines
- Confirm the control station rack chassis is firmly grounded via a low-resistance protective earth strap before sliding the PW301 into its assigned power slot.
- Align the module with the guide rails and slide it into the slot until the backplane multi-pin connector seats fully, then hand-tighten all module retention screws.
- Wire the 100-120 VAC input terminals securely and route power cables separately from low-voltage instrument wiring channels to eliminate electromagnetic coupling.
