Yokogawa PW482-10 S2 Power Supply Module
The Yokogawa PW482-10 S2 , also cataloged as the PW482 Power Supply Module, operates as a dedicated hardware component for AC to DC power conversion and system logic excitation within CENTUM VP / CENTUM CS 3000 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PW482-10 S2 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | Standard module weight |
| Dimensions | Standard Yokogawa FCU/Node module footprint |
| Operating Temp | Standard cabinet operating environment |
| Power Consumption | 230 VA (approx. 120 W) |
| Input Voltage | 220-240 VAC (+/-10%) |
| Input Frequency | 50/60 Hz (+/-3 Hz) |
| Output Voltages | System Logic: 5.1 VDC at 7.8 A; Field Power: 24 VDC at 1.7 A |
| Redundancy Architecture | Dual-redundant configuration (slots P1 and P2) |
| Hardware Revision | Style S2 |
| Field Terminals | M4 screw terminals for grounding and power connections |
| Mounting | Exclusive backplane connector mount |
Channel-to-Channel Isolation & Field Loop Power Conditioning
The module provides regulated dual DC output rails with integrated galvanic isolation to prevent high-voltage AC mains transients from reaching backplane microprocessors. Continuous channel-to-channel isolation between internal logic and the 24 VDC transmitter power rail prevents common-mode noise propagation, maintaining signal stability for 4-20 mA HART loop protocol instruments connected to adjacent I/O nodes.
Frequently Asked Questions
Q: What does the "S2" style code signify on the PW482-10 hardware?
A: It represents a specific hardware revision featuring updated internal components. For optimal dual-redundant load sharing, matched style codes are recommended across redundant module pairs.
Q: Is hot-swapping supported in dual-redundant power configurations?
A: Yes. In a dual-redundant setup across slots P1 and P2, a failed power supply module can be replaced while the system remains energized without interrupting Field Control Station operation.
Q: Can the PW482-10 S2 module be mounted on a standard DIN rail?
A: No. The unit requires mounting via its exclusive backplane interface connector inside compatible Yokogawa node units or Field Control Units.
Field Installation Guidelines
- Slide the PW482-10 S2 module into its designated rack slot (slot P1 or P2 for redundant applications) until the backplane interface connector seats securely.
- Tighten all module retaining screws to ensure proper grounding contact and resistance against cabinet vibration.
- Connect 220-240 VAC supply lines to the designated power terminals using M4 screw connectors, ensuring proper earth grounding connection to the cabinet ground bar.
- Maintain adequate ventilation clearance around the module rack to allow natural heat dissipation during continuous full-load operation.
Yokogawa PW482-10 S2 Power Supply Module
Yokogawa PW482-10 S2 Power Supply Module
The Yokogawa PW482-10 S2 , also cataloged as the PW482 Power Supply Module, operates as a dedicated hardware component for AC to DC power conversion and system logic excitation within CENTUM VP / CENTUM CS 3000 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PW482-10 S2 |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | Standard module weight |
| Dimensions | Standard Yokogawa FCU/Node module footprint |
| Operating Temp | Standard cabinet operating environment |
| Power Consumption | 230 VA (approx. 120 W) |
| Input Voltage | 220-240 VAC (+/-10%) |
| Input Frequency | 50/60 Hz (+/-3 Hz) |
| Output Voltages | System Logic: 5.1 VDC at 7.8 A; Field Power: 24 VDC at 1.7 A |
| Redundancy Architecture | Dual-redundant configuration (slots P1 and P2) |
| Hardware Revision | Style S2 |
| Field Terminals | M4 screw terminals for grounding and power connections |
| Mounting | Exclusive backplane connector mount |
Channel-to-Channel Isolation & Field Loop Power Conditioning
The module provides regulated dual DC output rails with integrated galvanic isolation to prevent high-voltage AC mains transients from reaching backplane microprocessors. Continuous channel-to-channel isolation between internal logic and the 24 VDC transmitter power rail prevents common-mode noise propagation, maintaining signal stability for 4-20 mA HART loop protocol instruments connected to adjacent I/O nodes.
Frequently Asked Questions
Q: What does the "S2" style code signify on the PW482-10 hardware?
A: It represents a specific hardware revision featuring updated internal components. For optimal dual-redundant load sharing, matched style codes are recommended across redundant module pairs.
Q: Is hot-swapping supported in dual-redundant power configurations?
A: Yes. In a dual-redundant setup across slots P1 and P2, a failed power supply module can be replaced while the system remains energized without interrupting Field Control Station operation.
Q: Can the PW482-10 S2 module be mounted on a standard DIN rail?
A: No. The unit requires mounting via its exclusive backplane interface connector inside compatible Yokogawa node units or Field Control Units.
Field Installation Guidelines
- Slide the PW482-10 S2 module into its designated rack slot (slot P1 or P2 for redundant applications) until the backplane interface connector seats securely.
- Tighten all module retaining screws to ensure proper grounding contact and resistance against cabinet vibration.
- Connect 220-240 VAC supply lines to the designated power terminals using M4 screw connectors, ensuring proper earth grounding connection to the cabinet ground bar.
- Maintain adequate ventilation clearance around the module rack to allow natural heat dissipation during continuous full-load operation.
