Model Definition

• CPS: Control Power Supply series

• 20: 200 W rated power, high-density output

• NB: Enhanced industrial grade, built-in noise reduction & overvoltage protection

Technical Specifications

Electrical Parameters

• Input voltage: AC 200/220 V ±10%, 50/60 Hz

• Input current: 2.5 A (max)

• Output channels: +5 V, ±12 V, +24 V (isolated outputs)

• Rated power: 200 W

• Efficiency: ≥88% at full load

• Ripple noise: ≤50 mV (peak-to-peak)

• Protection: Overvoltage, undervoltage, overcurrent, short circuit, overheating

• Power dissipation: Approx. 30 W

Mechanical & Environmental Parameters

• Cooling method: Forced air cooling (built-in fan)

• Protection class: IP20 (front), IP10 (unit)

• Operating temperature: 0 °C to +45 °C; 25% derating at 55 °C

• Storage temperature: -30 °C to +85 °C

• Max installation altitude: 1000 m; 30% derating above 1000 m

• Dimensions (W×H×D): 482 mm × 88 mm × 350 mm (19-inch rack, 2U height)

• Weight: Approx. 7.5 kg

Interface & Indicator Configuration

• Input terminal: AC 200/220 V (L/N/PE)

• Output terminals: +5 V, ±12 V, +24 V, GND (screw terminals)

• Status indicators:

  • POWER (green): AC input normal

  • DC OK (green): All outputs within tolerance

  • ALARM (red): Fault (OV/OC/OT)

• Service port: RS232 for status monitoring and fault log reading

• Expansion: Support parallel redundant operation (N+1)

Core Functions

• Multi-rail isolated DC output for CNC and servo systems

• Wide-range AC input with adaptive voltage regulation

• Low ripple design to suppress electromagnetic interference (EMI)

• Comprehensive fault protection with auto-recovery for minor anomalies

• 19-inch standard rack mounting for easy cabinet integration

• High MTBF (≥50,000 hours) for industrial continuous operation

Application Scenarios

• Yasnac / Yaskawa CNC machine tool control cabinets

• Multi-axis servo drive systems (24 V control & logic power)

• Industrial automation production lines with high stability requirements

• Robotics controller power supply (auxiliary logic & I/O)

• Legacy CNC equipment upgrade/replacement projects

Usage and Maintenance

• Install in a standard 19-inch rack; ensure front/rear airflow

• Keep ambient temperature ≤45 °C; avoid dust accumulation on fans

• Verify input voltage and terminal tightness before power-on

• Inspect status indicators and fan operation daily

• Clean fans and air filters every 3 months

• Test output voltages and protection functions quarterly

• Replace electrolytic capacitors every 5 years to maintain reliability