7XV5673-0JJ20-1AA1 SIEMENS Power module

Description

7XV5673-0JJ20-1AA1 SIEMENS Power module

Product Dimensions：

Product Description

Siemens power modules are engineered to convert standard industrial line voltages into the specific DC voltages required by the controller’s backplane. Unlike general-purpose external power supplies, these modules are often designed to integrate directly into the physical rail system of the PLC, matching the form factor and aesthetic of the CPU and I/O modules. They act as a buffer against fluctuations in the primary power grid, providing filtered, short-circuit-proof, and regulated power. Depending on the system architecture, they can provide power to the internal system bus (backplane) or provide load current for field-side sensors and actuators.

Product Parameters

The technical profile of a power module focuses on energy conversion efficiency and protective thresholds:

• Input Voltage Range: Wide-range inputs typically supporting 120/230V AC or 24V DC, allowing for global deployment.

• Output Voltage: Precisely regulated output, most commonly 24V DC or specific backplane voltages required by the CPU.

• Current Rating: Rated output current capacity (e.g., 2A, 5A, 10A) which determines how many expansion modules the unit can support.

• Efficiency: High energy efficiency ratings, often exceeding 90%, to minimize heat generation within the control cabinet.

• Mains Buffering: The ability to maintain output voltage for a specific duration (in milliseconds) during brief power dips or interruptions.

• Isolation: High dielectric strength between the primary input and secondary output circuits for safety and noise immunity.

Product Advantages

• System Compatibility: Designed with the same mechanical and electrical standards as the rest of the Siemens automation family, ensuring a perfect fit and simplified mounting.

• Robust Protection: Integrated electronic protection against overloads, short circuits, and overvoltage, which prevents a single component failure from damaging the entire PLC rack.

• Diagnostic Integration: Many modules feature status LEDs or signaling contacts that notify the controller or maintenance staff of power health or faults.

• High Reliability: Optimized for 24/7 industrial use with high Mean Time Between Failures (MTBF) even in environments with vibration or temperature swings.

• Clean Power Delivery: Advanced filtering suppresses electromagnetic interference (EMI) from the mains, ensuring the stability of high-speed data processing in the CPU.

Important Considerations

• Load Calculation: It is critical to calculate the total power consumption of all connected modules to ensure the power module is not operating at its maximum limit, which can reduce its lifespan.

• Heat Dissipation: Although efficient, power modules generate heat; sufficient clearance must be provided above and below the module for natural convection cooling.

• Redundancy Planning: For mission-critical applications, consider using redundancy modules to allow for a backup power source in case of a primary module failure.

• Proper Grounding: The module must be correctly bonded to the protective earth (PE) to ensure safety and to maximize the effectiveness of the internal EMI filters.

• Inrush Current: Be aware of the inrush current during startup, which may require specific circuit breaker types (e.g., Type C or D) to prevent nuisance tripping of the main supply.

Product Applications

• Centralized Control Cabinets: Providing the primary logic power for PLCs and HMIs in standard industrial machinery.

• Distributed I/O Stations: Powering remote interface modules and their associated input/output slices in large-scale plant architectures.

• Automated Production Lines: Ensuring stable power for controllers managing high-speed assembly, where power fluctuations could cause data corruption.

• Process Automation: Supplying reliable energy to controllers in chemical or water treatment facilities where continuous operation is mandatory.

• Building Technology: Supporting controllers for large-scale HVAC, lighting, and access control systems in commercial infrastructure.

Shipping Port: Xiamen, China

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