Siemens Simoreg DC-MASTER 6RA7018-6DS22-0 Digital chassis converters

Description

The 6RA7018-6DS22-0 is a SIMOREG DC-MASTER digital chassis converter engineered for the high-precision control of single-quadrant DC drives. Utilizing a microprocessor-based control system, this converter features a B6C circuit configuration, ensuring efficient power conversion for industrial applications. It is rated for a 400V 3-phase AC input and provides a regulated DC output of 485V at 30A (25A US-rating). The unit includes an integrated, controllable field rectifier (D485/30 MRE-GEE6S22) and supports a field output of 325V at 5A. This robust digital converter is designed for seamless integration into existing automation architectures, offering reliable speed and torque regulation for critical industrial machinery.

Features

• Microprocessor-controlled: Enables advanced digital diagnostic and regulation capabilities.
• B6C Connection: Suitable for standard single-quadrant motor control applications.
• Integrated Field Rectifier: Includes a controllable field supply (D485/30 MRE-GEE6S22) for versatile motor excitation.
• High Efficiency: Regulated DC output optimized for demanding industrial duty cycles.
• Reliable Performance: Engineered for longevity in harsh production environments.

Applications

• Industrial DC motor control for manufacturing and processing lines.
• Precision speed and torque regulation for heavy-duty machinery.
• Replacement and upgrade projects for legacy DC drive systems.
• Automation systems requiring stable and responsive power conversion.

Technical Specifications

Installation Guidelines

• Mounting: Ensure the converter is mounted in a vertical position with adequate clearance for convective cooling.
• Environment: Operate within an environment free of conductive dust, moisture, and corrosive gases.
• Wiring: Maintain strict separation between power cables and signal/control cabling to minimize electromagnetic interference (EMI).
• Grounding: Establish a robust protective earth (PE) connection to the chassis to ensure safety and signal integrity.
• Commissioning: Use the integrated control interface to configure parameter settings appropriate for the specific motor and load characteristics before applying full power.