YOKOGAWA PS31*A CENTUM CS 3000 Power Supply Modules
The Yokogawa PS31*A, also cataloged as the PS31 Power Supply Module, operates as a dedicated hardware component for stable DC voltage bus distribution within CENTUM control system rack assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PS31*A |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 1.2 kg |
| Dimensions | 45.7 cm x 5.1 cm x 17.8 cm |
| Operating Temp | -10 deg C to +60 deg C |
| Power Consumption | 120 W power rating |
| Input Voltage | 100-240 VAC |
| Output Voltage | 24 VDC |
| Output Current | 5 A |
Channel Isolation and Loop Power Conditioning
The PS31*A converts primary wide-range AC utility power into regulated 24 VDC output lines essential for backplane electronics and field device loops. Integrated line filtering and transformer galvanic isolation protect sensitive system components from high-voltage primary surges and electromagnetic noise interference. By providing high-purity DC output, the module maintains strict channel-to-channel isolation parameters across interconnected I/O racks, preventing ground loop development and shielding analog 4-20 mA HART signal transmissions from electrical cross-talk.
Frequently Asked Questions
Q: What is the maximum output current rating for the PS31*A module?
A: The module supplies a regulated 24 VDC output delivering up to 5 A of continuous current for a total power output capacity of 120 W.
Q: How is thermal dissipation handled within high-density instrument enclosures?
A: Heat dissipation relies on natural convection cooling across internal heat sinks; a minimum vertical clearance of 50 mm must be maintained above and below the module chassis during cabinet installation.
Field Installation Guidelines
- Verify that incoming AC utility power is de-energized prior to inserting the module or connecting primary wiring.
- Slide the PS31*A vertically into the designated power supply slot of the rack rail until the rear backplane interface is firmly engaged.
- Secure the top and bottom chassis locking screws to ensure a continuous frame grounding path to the rack frame.
- Terminate incoming 100-240 VAC wiring and protective earth (PE) grounding conductors to the primary terminal block using ring lugs torqued to manufacturer standards.
- Energize input power and confirm that the front panel status LED illuminates to indicate nominal 24 VDC bus output.
YOKOGAWA PS31*A CENTUM CS 3000 Power Supply Modules
YOKOGAWA PS31*A CENTUM CS 3000 Power Supply Modules
The Yokogawa PS31*A, also cataloged as the PS31 Power Supply Module, operates as a dedicated hardware component for stable DC voltage bus distribution within CENTUM control system rack assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PS31*A |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 1.2 kg |
| Dimensions | 45.7 cm x 5.1 cm x 17.8 cm |
| Operating Temp | -10 deg C to +60 deg C |
| Power Consumption | 120 W power rating |
| Input Voltage | 100-240 VAC |
| Output Voltage | 24 VDC |
| Output Current | 5 A |
Channel Isolation and Loop Power Conditioning
The PS31*A converts primary wide-range AC utility power into regulated 24 VDC output lines essential for backplane electronics and field device loops. Integrated line filtering and transformer galvanic isolation protect sensitive system components from high-voltage primary surges and electromagnetic noise interference. By providing high-purity DC output, the module maintains strict channel-to-channel isolation parameters across interconnected I/O racks, preventing ground loop development and shielding analog 4-20 mA HART signal transmissions from electrical cross-talk.
Frequently Asked Questions
Q: What is the maximum output current rating for the PS31*A module?
A: The module supplies a regulated 24 VDC output delivering up to 5 A of continuous current for a total power output capacity of 120 W.
Q: How is thermal dissipation handled within high-density instrument enclosures?
A: Heat dissipation relies on natural convection cooling across internal heat sinks; a minimum vertical clearance of 50 mm must be maintained above and below the module chassis during cabinet installation.
Field Installation Guidelines
- Verify that incoming AC utility power is de-energized prior to inserting the module or connecting primary wiring.
- Slide the PS31*A vertically into the designated power supply slot of the rack rail until the rear backplane interface is firmly engaged.
- Secure the top and bottom chassis locking screws to ensure a continuous frame grounding path to the rack frame.
- Terminate incoming 100-240 VAC wiring and protective earth (PE) grounding conductors to the primary terminal block using ring lugs torqued to manufacturer standards.
- Energize input power and confirm that the front panel status LED illuminates to indicate nominal 24 VDC bus output.
