This roll supply unit delivers regulated DC power to multiple downstream automation modules. It distributes clean energy across a control cabinet with minimal voltage drop. The device combines high-efficiency conversion with robust short-circuit protection.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | PFSK102 YM322001-EG |
| Product Type | Roll Supply Unit / Power Distribution Module |
| Input Voltage | 100–240 V AC ±10% (47–63 Hz) |
| Output Voltage | 24 V DC ±2% |
| Output Current | 10 A (continuous) |
| Output Power | 240 W (maximum) |
| Number of Output Rails | 4 (individually fused) |
| Efficiency | 89% (typical at full load) |
| Ripple & Noise | ≤40 mV peak-to-peak |
| Hold-up Time | 25 ms (at 115 V AC input) |
| Protections | Overvoltage, overcurrent, short-circuit, thermal shutdown |
| Fuse Rating per Rail | 4 A (slow-blow, replaceable) |
| Terminals | Screw-type (input and output) |
| Mounting | DIN rail (TS 35) |
| Dimensions (W x H x D) | 108 mm x 124 mm x 115 mm |
| Weight | 1.10 kg |
Mechanical Construction and Panel Layout
This unit features a robust metal enclosure that withstands vibration and shock. Its wider 108 mm footprint accommodates four independent output rails. The device weighs 1.10 kilograms and requires adequate horizontal clearance for heat dissipation. All terminals face forward for straightforward wiring and inspection.
Input Power and Conversion Performance
The module accepts a universal AC input from 100 to 240 volts. It automatically adapts to line frequencies ranging from 47 to 63 hertz. The conversion efficiency reaches 89 percent at nominal full-load conditions. This high efficiency minimizes wasted energy and reduces internal heating.
Output Configuration and Distribution
This power supply provides four separate 24 V DC output rails. Each rail delivers up to 4 amperes of continuous current. The total combined output current does not exceed 10 amperes. Each rail includes an individual slow-blow fuse for localized protection. This fused design prevents a single fault from disrupting other output circuits.
Protection Mechanisms and System Safety
The unit integrates comprehensive safeguards for reliable operation. Overvoltage protection clamps the output during regulator failure events. Overcurrent protection limits each rail during excessive load conditions. A thermal shutdown feature turns off the module if internal temperatures exceed safe limits. These protections collectively ensure long service life for connected equipment.
Energy Storage and Ride-through Capability
Internal electrolytic capacitors provide a 25-millisecond hold-up time. This energy reserve sustains the output during short mains interruptions. The hold-up feature prevents unexpected shutdowns of critical control components. This capability proves especially valuable in facilities with unstable grid supplies.
Diagnostics and Status Indication
Four green LEDs indicate the status of each output rail individually. A single red Fault LED signals any internal protection activation. The front panel also provides test points for voltage measurement. These diagnostic aids simplify troubleshooting and reduce mean time to repair.
Application Environment and Compatibility
This roll supply unit suits a broad range of industrial control applications. It works effectively in PLC systems, DCS installations, and machine tool controls. The device also supports relay panels, instrumentation racks, and small drive systems. Its operating temperature range spans from -20°C to +60°C for harsh environments.
Details
| Weight | 1.10 kg |
|---|---|
| Dimensions | 108 × 124 × 115 mm |

