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This is a flat-type switching power supply of Siemens SITOP PSU100D series, Teilenummer 6EP1334-1LD00. Es ist für die 24-V-DC-Stromversorgung in industriellen Automatisierungssteuerungssystemen konzipiert. Dieses Modell wurde eingestellt, Als Ersatz wird die Upgrade-Variante 6EP1334-1LD01 aus der gleichen SITOP PSU100D-Serie empfohlen.
- Modellcode-Definition
| Modellsegment | Bedeutung | Beschreibung |
| 6EP | Siemens Power Supply | Product code for Siemens power supply series |
| 1334 | Product Group | Flat power supply of PSU100D series, 24V DC output, 12.5Eine Bewertung |
| 1LD00 | Version Code | Revision number: 1 = basic version, LD = PSU100D series, 00 = original release |
| PSU100D | Produktserie | Flat power supply; 100 = series code, D = flat design |
| 24V/12.5A | Output Specification | 24V DC output voltage, 12.5A output current, rated power 300W |
- Wichtigste technische Spezifikationen
| Kategorie | Technische Daten | Bemerkungen |
| Allgemeine Informationen | ||
| Produkttyp | Flat-type switching power supply | SITOP PSU100D series, single-phase input |
| Teilenummer | 6EP1334-1LD00 | Unique official Siemens part code |
| Ersatzmodell | 6EP1334-1LD01 | Upgraded version with output current increased to 14.6A |
| Gewicht | 0.81 kg | Rust-proof aluminum alloy housing, robust and durable |
| Status | Auslaufmodell | Manufacturer recommends the upgraded model for replacement |
| Elektrische Parameter | ||
| Eingangsspannungsbereich | AC 85-132V / 170-264V | Wide-range input with automatic range switching |
| DC 120-370V | ||
| Input Frequency | 47-63 Hz | Compatible with global power grids |
| Rated Output Voltage | DC 24V | Standard voltage for industrial control |
| Output Voltage Adjustment Range | 22-28 V | Adjustable to suit various load requirements |
| Nennausgangsstrom | 12.5 A | Nennleistung: 300W |
| Output Ripple | ≤150 mVpp | Low ripple, ideal for sensitive electronic devices |
| Effizienz | Ca. 88% | Energy-saving design |
| Leistungsfaktor | ≥0.95 | Grid-friendly performance |
| Schutzfunktionen | ||
| Überstromschutz | Short-circuit protection with auto-recovery | Operates in hiccup mode under output short circuit |
| Überspannungsschutz | 28.5-30 V | Prevents load damage caused by overvoltage |
| Overtemperature Protection | Activates when internal temperature ＞85°C | Automatic load reduction or shutdown |
| Reverse Polarity Protection | Verfügbar | Protects power supply from incorrect wiring |
| Mechanisch & Umgebungsparameter | ||
| Abmessungen (W × H × D) | 105 × 125 × 120 mm | Compact flat design for space saving |
| Montageart | DIN-Schienenmontage / Direct mounting | Flexible installation options |
| Gehäusematerial | Rust-proof aluminum alloy | Excellent heat dissipation, Schutzklasse IP20 |
| Betriebstemperatur | -10…+70°C | No derating required below +50°C |
| Lagertemperatur | -25…+85°C | Suitable for harsh storage conditions |
| Relative Luftfeuchtigkeit | 10…95% | Nicht kondensierend |
| Schock / Vibrationsfestigkeit | 30G / 5G | Adapted to industrial site environments |
- Cross-brand & Old/New Model Replacement List
| Originalmodell | Ersatzmodell | Marke | Ersatzbeschreibung |
| 6EP1334-1LD00 | 6EP1334-1LD01 | Siemens | In-series upgrade; output current raised to 14.6A, voll funktionskompatibel |
| 6EP1334-1LD00 | 6EP1334-1LA00 | Siemens | SITOP PSU100L series, similar functions with different mounting dimensions |
| 6EP1334-1LD00 | SD24-300 | Phoenix Contact | 24V/12.5A, flat design, DIN rail mount |
| 6EP1334-1LD00 | TRIO-PS/3AC/24DC/12.5 | Weidmüller | Wide-range input, Schutzart IP20, equivalent performance |
Auswahltipp: PSU100D (old) / LD01 (neu); 24V/12.5A upgraded to 14.6A. For third-party alternatives, choose Phoenix Contact SD24 or Weidmüller TRIO series.
- Full Model List (SITOP PSU100D Series)
| Modell | Teilenummer | Output Rating | Input Range | Hauptmerkmale |
| PSU100D 24V/2.2A | 6EP1331-1LD00/1LD01 | 24V DC/2.2A | 100-240V und | Geringe Leistung, natural convection cooling |
| PSU100D 24V/3.1A | 6EP1332-1LD00/1LD01 | 24V DC/3.1A | 100-240V und | Low-to-medium power, natural convection cooling |
| PSU100D 24V/4.1A | 6EP1332-2LD00/2LD01 | 24V DC/4.1A | 100-240V und | Medium power, natural convection cooling |
| PSU100D 24V/6.2A | 6EP1333-1LD00/1LD01 | 24V DC/6.2A | 100-240V und | Medium power, natural convection cooling |
| PSU100D 24V/12.5A | 6EP1334-1LD00 | 24V DC/12.5A | 100-240V AC/120-370V DC | High power, fan cooling |
| PSU100D 24V/14.6A | 6EP1334-1LD01 | 24V DC/14.6A | 100-240V AC/120-370V DC | Upgraded high power model, fan cooling |
| PSU100D 12V/3A | 6EP1321-1LD00 | 12V DC/3A | 100-240V und | 12V-Ausgang, geringe Leistung |
- Häufige Fehler & Leitfaden zur Fehlerbehebung
| Fehlerphänomen | Mögliche Ursachen | Schritte zur Fehlerbehebung | Lösungen |
| Keine Ausgabe, green indicator off | 1. Abnormal input power | 1. Eingangsspannung messen (Reichweite: 85-264V) | 1. Repair input power supply |
| 2. Defective power module | 2. Check if power switch is turned on | 2. Replace the power module | |
| 3. Falsche Verkabelung | 3. Verify polarity of input and output wiring | 3. Rewire in accordance with manuals | |
| Niedrig / unstable output voltage | 1. Overloaded load | 1. Check if output current exceeds 12.5A | 1. Reduce load or use higher-power power supply |
| 2. Misadjusted voltage potentiometer | 2. Inspect position of voltage adjustment knob | 2. Readjust output voltage to 24V | |
| 3. Alternde Filterkondensatoren | 3. Check capacitors for bulging or leakage | 3. Replace faulty filter capacitors | |
| 4. Overheating due to fan failure | 4. Verify fan operation | 4. Replace the fan | |
| Frequent power supply restarts | 1. Excessive input voltage fluctuation | 1. Test input ripple with oscilloscope | 1. Add input filter or voltage stabilizer |
| 2. Instantaneous load overload | 2. Check load for short circuit or inrush current | 2. Optimize load design and add buffer circuit | |
| 3. Activated overtemperature protection | 3. Measure housing temperature (limit: 85°C) | 3. Improve ventilation and remove dust | |
| Übermäßige Ausgangswelligkeit | 1. Failed output filter capacitors | 1. Measure output ripple (limit: 150mVpp) | 1. Replace output filter capacitors |
| 2. Unstable load | 2. Check load for high-frequency switching components | 2. Add filter circuit at load side | |
| 3. Poor grounding | 3. Inspect grounding connection | 3. Implement single-point grounding to reduce interference |
- Anwendungsumgebungen & Branchenfälle
6.1 Anwendbare Szenarien
Industrielle Automatisierung: Power supply for PLC, HMI, Sensoren, actuators and other control components
Mechanische Ausrüstung: 24V control circuits of packaging machines, Werkzeugmaschinen, Roboter, usw.
Prozesskontrolle: Power supply for precision devices such as instruments, valve positioners and analytical equipment
Harsh Industrial Environments: Wide operating temperature (-10°C ~ +70°C), shock and vibration resistance, suitable for factory workshops
Space-limited Installation: Flat form factor, supports DIN rail mounting or direct installation inside equipment
6.2 Nicht empfohlene Szenarien
Ultra-high precision applications (ripple ＜50mVpp): Adopt high-precision power supplies of SITOP PSU6200 series
Outdoor installation without extra protection: IP20 rating requires additional protective enclosures
High electromagnetic interference environments: Equip with EMC filters or isolation transformers
6.3 Typische Anwendungsfälle
Fall 1: PLC Control System for Automotive Component Production Line
Konfiguration
Stromversorgung: 6EP1334-1LD00 (24V/12.5A)
Regler: S7-1200 PLC + KTP700 HMI
Loads: 16 Magnetventile, 20 proximity switches, 8 fotoelektrische Sensoren
Process
Controls automotive seat assembly lines for part conveying, Positionierung, pressing and other processes
Ergebnis
Wide input voltage range adapts to grid fluctuations and ensures continuous line operation
Short-circuit protection prevents system downtime caused by solenoid valve faults and improves equipment reliability
Fall 2: Drive System for Food Packaging Machinery
Konfiguration
Stromversorgung: 2 pcs × 6EP1334-1LD00 (redundant configuration)
Drives: 3 pcs × V90 servo drives
Control Components: Touch panel, encoders, safety relays
Process
Controls feeding, Versiegelung, cutting and other high-speed & high-precision actions of packaging machines
Ergebnis
Redundant design enhances system availability and avoids line shutdown due to power failure
Low ripple output ensures stable operation of servo drives and improves packaging accuracy
Fall 3: Power Supply System for Warehouse & Logistics AGV
Konfiguration
Stromversorgung: 6EP1334-1LD00 (installed inside AGV control cabinet)
Battery Charger: SITOP Charger 24V/5A
Loads: AGV controller, motor drives, laser navigation sensors
Process
Provides 24V control power for AGV and charges backup batteries simultaneously
Ergebnis
Wide temperature tolerance adapts to warehouse environments; vibration resistance fits mobile equipment
High efficiency saves energy, extends battery life and reduces operational costs
- Installation & Wartungsrichtlinien
- Einbaulage
Im Schaltschrank installieren, keep away from direct sunlight and heat sources. Reserve a clearance of ≥50mm for heat dissipation.
Mount vertically to ensure unobstructed airflow for the built-in fan (12.5A model equipped with fan).
- Verkabelungsanforderungen
Separate input and output cables to avoid interference.
Use power cables with cross-sectional area ≥2.5mm² to guarantee current-carrying capacity.
Apply single-point grounding for shielded cables; grounding at the power input side is recommended.
- Regelmäßige Wartung
Inspect fan operation and remove dust every 3 Monate.
Measure output voltage and ripple every 6 months to maintain stable performance.
Check capacitor condition and replace aged units annually.
- Ersatzlösung
Prioritize the upgraded model 6EP1334-1LD01 (24V/14.6A) for new projects.
For higher reliability requirements, select redundant power supply systems of SITOP PSU8200 series.
