Understanding Indramat Power Supply Modules

Indramat was a trailblazer in the development of motion control systems, offering integrated solutions composed of motors, drives, controllers, and power supply modules. Among these, the power supply module plays a pivotal role by delivering regulated DC power to one or more servo drives in the system.

Although Indramat products are now considered legacy equipment no longer in production their durability, reliability, and long operational life make them indispensable components in countless automation systems still in use today.

What Does an Indramat Power Supply Module Do?

At its core, an Indramat power supply module:

• Converts AC line voltage into regulated DC bus voltage to power the drives.

• Monitors system conditions including line voltage, feedback signals, temperature, and internal faults.

• Shuts down power in the event of a fault to protect the drive and connected components.

• Distributes DC power to multiple drives through a ribbon cable or bus connection.

 While a single power supply can support multiple drives, it's critical to ensure that the total continuous mechanical power drawn by all drives does not exceed the power supply’s rating.

Types of Indramat Power Supply Modules

Indramat designed several types of power supply modules to support different system configurations and output power demands. Below is an overview of the most commonly used modules:

Each module has distinct electrical ratings and compatibility factors that must be matched to the drive and motor system requirements.

Built-In Monitoring and Safety Features

Indramat power supply modules are not just passive power providers they are active monitoring units designed to enhance system protection. Key monitoring functions include:

• Line voltage monitoring

• Motor feedback signal verification

• Overload and over-temperature detection

• Drive current and bleeder resistor status

When an abnormal condition is detected, the power supply immediately disables power output to prevent equipment damage. Fault conditions may be displayed via LED indicators or a digital status panel, depending on the module.

FAQs

 What role does the power rectifier play in these modules?

Every Indramat power supply module includes a power rectifier, which is responsible for converting incoming AC line voltage to a regulated DC bus voltage. This DC voltage is then distributed to the drive modules. Signal voltage is transmitted to the drives via a ribbon cable, ensuring precise coordination across the system.

 Are Indramat power supply modules interchangeable?

Not all modules are interchangeable. Each has specific output capabilities and interface compatibility with certain drive models. Always consult the manufacturer’s documentation or work with a knowledgeable repair technician to ensure proper module selection.

For more information, contact PLG Automation:
Email: sales@plgautomation.com
Phone: 800-906-9271