FC-PSUNI2424 Honeywell Power Supply

Power Supply Overview

The PSUNI2424 power supply is an industrial-grade solution engineered for demanding environments, particularly in process and safety controllers. With an array of certifications and features, it ensures reliable performance even in harsh conditions.

Main Features

• Dual Over-Voltage Protection: Supports SIL3 applications (IEC 61508).
• ON/OFF Switch: Allows for on-line replacement, enhancing operational efficiency.
• Under-Voltage Alarms: Monitors DC (<23.5V) and AC (<80V) levels for enhanced safety.
• Parallel Operation: Connect up to eight units for increased output currents.
• Wide Temperature Range: Operates reliably from -40°C to 70°C.
• Protection: Against continuous overload and short-circuiting, ensuring component longevity.
• Hold-Up Time: Provides a minimum of >50ms for stable operation during power fluctuations.
• FAN Alarms: Adjusts FAN speed to reduce wear and extend lifespan.
• EMC Immunity: Enhanced to support alarm systems (EN50130-4), ensuring consistent performance.
• Peak Current Capability: Offers 50A/200ms for efficient fuse clearing.
• Inrush Current Limiting: Limits inrush current to <60A, supporting 10A type C circuit breakers.

Technical Data

• General
  • Type Number: FC-PSUNI2424
  • Approvals: CE, cUL (60950)
  • Certifications: Pending CID2 T4 and Zone2 (+61010-1), SELV Certification: According to EN60950, SIL3 Certification: For OVP (IEC 61508)
  • EMC Standards: EN61131-2, EN50130-4, EN61000-6-7
• Power
  • Output Power: 600W
  • Input Power: Varied based on voltage, ranging from 712W to 750W.
  • Efficiency: Ranges from 80% to 87% depending on input and load.
  • Power Factor: >0.88 to >0.99, based on input and load.
  • Frequency Range: 45-66Hz
• Physical
  • Dimensions: 370 x 159 x 67.3mm (W × H × D)
  • Weight: 2.9kg
• Environmental
  • Storage Temperature: -40°C to 85°C
  • Operating Temperature: -40°C to 70°C
  • Humidity: 5% to 95% RH non-condensing
  • Altitude: 0-2000m above sea level
  • Pollution Degree: PD2 maximum (IEC60664-1)

Input

• Voltage: Operational between 85-265VAC
• Inrush Current: <60A, supports 10A type C circuit breaker
• EMI Filter: 2uF between input lines

Output

• Voltage: 25.1V @ 24A static load
• Current: 0-24A continuously, 50A for 200ms for fuse clearing
• Hold-Up Time: 50ms, EN61000-4-11 level 3
• Ripple: 20-40mV typical (HART compliant)

Alarms

• Type: Solid-state output (Opto-FET), isolated up to 500VAC
• Activation: When power supply status is okay
• Nominal Voltage: 31V maximum (33V TVS protected inside)
• Current: 40mA maximum non-inductive

Isolation

• Input to Output: 3750VAC/1min (8mm creepage)
• Input to Case: 2210VAC/1min; transient limited by 3000V spark gap and 300VAC varistor in series
• Output to Case: 1500VDC/1min; transient limited by 320VAC varistor; <50M Ohm at 250VDC