Yokogawa PS11*C Power Supply Module
The Yokogawa PS11*C, also cataloged as the PS11 Power Supply Module, operates as a dedicated hardware component for AC to DC power conversion within Yokogawa system rack assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PS11*C |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.8 kg |
| Dimensions | 150 mm x 100 mm x 50 mm |
| Operating Temp | -10 deg C to +60 deg C |
| Power Consumption | 60 W nominal |
| Input Voltage | 100 to 240 VAC |
| Output Voltage | 24 VDC |
| Output Current | 2.5 A |
| Efficiency | Greater than 85% |
Channel Isolation and Process Loop Power Stability
The PS11*C employs primary-to-secondary transformer isolation to decouple primary utility mains from internal 24 VDC system power buses. Internal switching regulators maintain output voltage stability within tight tolerances, shielding analog input cards and cold junction compensation (CJC) circuits from line voltage fluctuations. Channel-to-channel isolation topology suppresses common-mode ground loops and line noise, preserving signal integrity across 4-20 mA HART instrumentation loops powered from the local backplane.
Frequently Asked Questions
Q: What protection mechanisms exist for output overcurrent or short-circuit events?
A: The module integrates internal electronic current-limiting circuits that clamp output power during overcurrent or direct fault conditions, automatically restoring nominal 24 VDC bus output once the load fault clears.
Q: Can the PS11*C module be installed in sealed control cabinets without forced cooling?
A: Yes, with a conversion efficiency exceeding 85%, thermal dissipation is minimized. However, a vertical mounting orientation with 50 mm clearance above and below the chassis vents is required for natural convection cooling.
Field Installation Guidelines
- Ensure the main AC power distribution breaker is locked out and tagged before attempting installation or terminal wiring.
- Align the PS11*C module with the dedicated slot in the system base chassis and press firmly until the backplane connectors fully seat.
- Tighten the top and bottom chassis retention screws to maintain mechanical bonding and continuous ground connection to the rack.
- Wire the 100-240 VAC supply line and the protective earth (PE) ground directly to the primary terminal block using crimped ring terminals.
- Energize primary AC power and confirm that the green DC output status indicator illuminates before powering downstream I/O modules.
Yokogawa PS11*C Power Supply Module
Yokogawa PS11*C Power Supply Module
The Yokogawa PS11*C, also cataloged as the PS11 Power Supply Module, operates as a dedicated hardware component for AC to DC power conversion within Yokogawa system rack assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PS11*C |
| Brand | Yokogawa |
| Origin | Japan |
| Weight | 0.8 kg |
| Dimensions | 150 mm x 100 mm x 50 mm |
| Operating Temp | -10 deg C to +60 deg C |
| Power Consumption | 60 W nominal |
| Input Voltage | 100 to 240 VAC |
| Output Voltage | 24 VDC |
| Output Current | 2.5 A |
| Efficiency | Greater than 85% |
Channel Isolation and Process Loop Power Stability
The PS11*C employs primary-to-secondary transformer isolation to decouple primary utility mains from internal 24 VDC system power buses. Internal switching regulators maintain output voltage stability within tight tolerances, shielding analog input cards and cold junction compensation (CJC) circuits from line voltage fluctuations. Channel-to-channel isolation topology suppresses common-mode ground loops and line noise, preserving signal integrity across 4-20 mA HART instrumentation loops powered from the local backplane.
Frequently Asked Questions
Q: What protection mechanisms exist for output overcurrent or short-circuit events?
A: The module integrates internal electronic current-limiting circuits that clamp output power during overcurrent or direct fault conditions, automatically restoring nominal 24 VDC bus output once the load fault clears.
Q: Can the PS11*C module be installed in sealed control cabinets without forced cooling?
A: Yes, with a conversion efficiency exceeding 85%, thermal dissipation is minimized. However, a vertical mounting orientation with 50 mm clearance above and below the chassis vents is required for natural convection cooling.
Field Installation Guidelines
- Ensure the main AC power distribution breaker is locked out and tagged before attempting installation or terminal wiring.
- Align the PS11*C module with the dedicated slot in the system base chassis and press firmly until the backplane connectors fully seat.
- Tighten the top and bottom chassis retention screws to maintain mechanical bonding and continuous ground connection to the rack.
- Wire the 100-240 VAC supply line and the protective earth (PE) ground directly to the primary terminal block using crimped ring terminals.
- Energize primary AC power and confirm that the green DC output status indicator illuminates before powering downstream I/O modules.
