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PW502/S1 YOKOGAWA Power Supply Unit New & Original Stock

PW502/S1 YOKOGAWA Power Supply Unit New & Original Stock

Configured for power conversion in DCS process control platforms, the YOKOGAWA PW502/S1 (PW502/S1 Power Supply Unit) provides direct physical/electrical execution.

Hardware Specifications

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Availability: Low stock: 99 left

SKU: PW502/S1
Vendor: Yokogawa
Category: Power Supply Unit
Related Series:

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Configured for power conversion in DCS process control platforms, the YOKOGAWA PW502/S1 (PW502/S1 Power Supply Unit) provides direct physical/electrical execution.

Hardware Specifications

Parameter Specification
Parameter Specification
Model PW502/S1
Brand YOKOGAWA
Origin Subject to factory batch
Weight 1.0 kg
Dimensions 40 mm x 120 mm x 210 mm
Operating Temp 0 deg C to 50 deg C
Power Consumption 120 W
Input Voltage 100-240 VAC, 50/60 Hz
Output Voltage 24 VDC
Output Current 5 A (max)
Efficiency 85% typical
Ripple <= 100 mV (peak to peak)

Process Control Power Stabilization

The unit integrates specialized circuitry for channel-to-channel isolation and voltage regulation required in DCS instrumentation loops. To maintain the specified +/- 1% regulation, the power supply utilizes internal feedback loops to compensate for variations in line voltage. The 24 VDC output is maintained with low ripple characteristics, facilitating stable operation for sensitive analog input and output modules within the YOKOGAWA ecosystem. Proper thermal management via the integrated forced-air cooling fan is required to prevent derating when operating at ambient temperatures approaching 50 deg C.

Frequently Asked Questions (FAQ)

Q: What are the constraints regarding the forced-air cooling system?

A: The PW502/S1 utilizes an internal fan for heat dissipation. Users must ensure a minimum clearance of 50 mm above and below the module to prevent obstruction of the airflow path and ensure thermal stability.

Q: Is this power supply capable of parallel operation to increase total output current?

A: The standard configuration for the PW502/S1 is designed for dedicated load requirements. Parallel wiring to increase output current is not supported unless external decoupling diodes are utilized to prevent back-feeding and current imbalance.

Field Installation Guidelines

  • Mount the module vertically on a standard industrial DIN rail to ensure optimal airflow through the internal heat sink assembly.
  • Ensure the protective earth (PE) terminal is connected to a low-impedance ground point to minimize common-mode noise on the 24 VDC output rail.
  • Use shielded, twisted-pair cabling for DC output distribution to mitigate electromagnetic interference (EMI) in high-density DCS cabinets.
  • Verify that the input AC supply is protected by a suitable circuit breaker or fuse rated for 100-240 VAC operation prior to initial power-up.