5SY6120-6 SIEMENS Power module

Description

5SY6120-6 SIEMENS Power module

Product Dimensions：

Product Description

A Siemens Power Module is a specialized component responsible for power conversion and delivery.

• In PLC Systems (Power Supply Modules): It converts the incoming line voltage ($text{AC}$ or $text{DC}$) into the stable low-voltage $text{DC}$ power ($24text{ VDC}$) required to operate the PLC’s internal logic, CPU, and I/O bus.
• In Drive Systems (Drive Power Modules): It is the physical power unit of a modular frequency converter (VFD). It contains the rectifier, $text{DC}$ link, and inverter stages to convert the incoming line power into a variable voltage and frequency output to control an electric motor.
• Modularity: Designed to be easily integrated into both control system racks and modular drive assemblies.
• Protection: Includes inherent protective circuitry against overcurrent, overvoltage, short-circuits, and thermal overload.

Product Parameters

Parameters vary significantly depending on the module’s function (System Supply vs. Drive Power):

Product Advantages

• Reliable Power Delivery: Provides highly regulated and stable power, ensuring the dependable operation of sensitive electronic components within the control or drive system.
• Modular Integration: Designed for simple mechanical and electrical connection within Siemens’ system environments (e.g., PLCs, VFDs), reducing installation time and complexity.
• High Efficiency: Modern designs maximize energy conversion efficiency, reducing heat dissipation and cooling requirements within the control cabinet.
• Comprehensive Diagnostics: Built-in diagnostics for input status, output overload, and thermal state allow for proactive maintenance and fault resolution.
• Safety Integration (Drive Modules): Drive power modules often integrate hardware features supporting safety functions (e.g., Safe Torque Off – $text{STO}$) in compliance with functional safety standards.

Precautions

• High Voltage Risk: Drive power modules and some $text{AC}$ supply modules operate with dangerous voltages. Only qualified personnel should install and service these components, adhering to lock-out/tag-out procedures.
• Earthing and Grounding: Proper grounding and earthing are mandatory for safety and to minimize electromagnetic interference ($text{EMI}$) that can affect system performance.
• Load Limits: Never exceed the specified continuous output current or power rating to prevent module damage or thermal shutdown.
• Thermal Management: Install modules in an environment that complies with the specified ambient temperature range and ensure adequate cooling and air circulation to prevent thermal derating.
• Fusing: Always use the recommended external fusing or circuit protection on the input line side as detailed in the product documentation.

Product Applications

Power Modules are essential across all industrial applications:

• Control System Power: Providing reliable $24text{ VDC}$ power to centralized and distributed PLC racks (CPUs, I/O modules, communication modules).
• Variable Speed Drives (VFDs): Forming the core power component for controlling the speed and torque of $text{AC}$ motors in pumps, fans, compressors, and conveyors.
• Servo and Motion Control: Supplying highly dynamic power for precise positioning and speed control in demanding applications like robotics and machine tools.
• Energy Management: Utilizing regenerative power modules in drive systems to feed braking energy back into the grid, saving energy costs.

Shipping Port: Xiamen, China

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