PW502 YOKOGAWA

Description

1. Product Description

2. Product Parameters

Parameter	Specification
Brand	Yokogawa
Model	PW502
Input Voltage	100–240V AC (50/60Hz)
Output Voltage	24V DC
Output Current	50A
Power Rating	1200W
Efficiency	90% (Typical)
Operating Temperature	-20°C to +70°C
Protection Rating	IP66 (dust and water ingress protection)
Dimensions	240 mm x 140 mm x 70 mm
Weight	5 kg
Certifications	CE, UL, RoHS
Compatibility	Yokogawa CENTUM VP/VE/VN DCS systems
Key Features	Redundant power support, short-circuit protection, wide temperature range

YOKOGAWA PW502

3. Advantages and Features

• Wide Voltage Range: Supports 100–240V AC input, adapting to global power grids without additional transformers.
• High Efficiency: 90% efficiency reduces energy consumption and heat generation.
• Rugged Design: IP66 rating and -20°C to +70°C operation withstand extreme industrial conditions (e.g., outdoor or dusty environments).
• Reliability: Redundant configuration capability ensures uninterrupted power supply for critical processes.
• Safety Features: Overload, overvoltage, and short-circuit protection safeguard connected equipment.

4. Application Areas and Case Studies

• Industries: Oil & gas, chemical processing, manufacturing, water treatment.
• Use Cases:
  • DCS Power Backup: Deployed in a chemical plant’s CENTUM VP system to provide redundant power for 200+ I/O modules, achieving 99.99% uptime.
  • Industrial Machinery: Powers a manufacturing line’s robotic arm controls, ensuring stable operation in a high-vibration environment (IP66 protection).
  • Energy Facilities: Supports distributed control systems in a solar farm, maintaining consistent power under fluctuating input voltages.

5. Competitive Comparison

• Voltage Flexibility: Wider input range (100–240V AC) vs. standard 200–240V AC modules.
• Environmental Resilience: IP66 rating (vs. IP20 for many competitors), suitable for outdoor/harsh settings.
• Power Density: 1200W output in a compact size (240x140x70 mm), offering 20% higher power per unit volume than comparable models.
  

  YOKOGAWA PW502

6. Selection Recommendations

• Voltage Requirements: Choose PW502 (220–240V AC) or PW501 (100–120V AC) based on local power standards.
• Environment: Opt for IP66-rated models (PW502) for outdoor/ dusty/wet environments; use IP20 models for controlled indoor settings.
• Power Needs: Match output current (50A) to system load; consider redundancy for critical applications.
• Compatibility: Ensure integration with Yokogawa DCS (CENTUM VP/VE/VN) or third-party systems via standard interfaces.

7. Precautions

• Installation: Mount vertically for optimal heat dissipation; ensure adequate ventilation (clearance ≥50 mm on all sides).
• Wiring: Use shielded cables for signal lines; separate power and signal wiring to prevent interference.
• Redundancy: Configure dual PW502 modules for fault tolerance (follow Yokogawa’s redundancy guidelines).
• Maintenance: Schedule annual inspections for dust buildup; replace modules every 10 years (per Yokogawa’s lifecycle recommendations).
• Safety: Disconnect power before servicing; follow local electrical codes for grounding.