6SE7090-0XX84-0AB0 SIEMENS

6SE7090-0XX84-0AB0 Siemens Basis unit

Brand：SIEMENS Model number：6SE7090-0XX84-0AB0

Country of origin: Germany Product weight：0.55kg

HS code：8517623990

Product Details：

Product Dimensions：

The Siemens 6SE7090-0XX84-0AB0 is a Control Unit Vector Control (CUVC) board designed specifically for the SIMOVERT MASTERDRIVES frequency inverter series. Serving as the central intelligence module of the drive system, this processing card handles high-speed field-oriented vector control algorithms, open-loop control modes, parameter management, and drive diagnostics. It mounts directly inside the electronics box of the inverter frame, providing closed-loop speed and torque regulation for both asynchronous (induction) and synchronous AC motors. Through integrated serial communication ports, configurable I/O terminal strips, and expansion capability for encoder feedback and fieldbus communication cards, the board delivers versatile drive performance across demanding industrial motion applications.

Product Parameters

Manufacturer: Siemens
Product Series: SIMOVERT MASTERDRIVES
Part Number: 6SE7090-0XX84-0AB0
Board Designation: CUVC (Control Unit Vector Control)
Control Modes: Open-loop V/f control, closed-loop speed vector control, closed-loop torque vector control, and sensorless vector control
Onboard Serial Communications: 1 x RS232/RS485 interface for PC connection (DriveMonitor tool) or OP1S operator panel; 1 x USS protocol RS485 bus interface
Terminal Strip Connections: Configurable digital inputs, multi-function relay outputs, high-resolution analog inputs, and analog outputs
Expansion Capabilities: Supports optional communication boards (such as CBP2 for PROFIBUS-DP), encoder evaluation boards (SBM, SBR, SBP), and peer-to-peer SIMOLINK fiber-optic boards (SLB)
Operating Temperature Range: 0°C to +55°C (32°F to 131°F) ambient inside cabinet
Weight: Approximately 0.2 kg (0.44 lbs) net board weight

Product Advantages

High Dynamic Control Accuracy: Delivers precise field-oriented vector control with rapid torque dynamic response, ensuring stability even under sudden load fluctuations or low-speed operations.
Modular System Expansion: Features multi-slot compatibility with optional fieldbus interface modules, allowing seamless integration into PROFIBUS, PROFINET, or SIMOLINK drive networks.
Flexible Motor Compatibility: Supports both standard induction motors and permanent magnet synchronous motors with a wide variety of feedback transducer types.
Comprehensive Diagnostics: Enables full drive status parameterization, continuous fault monitoring, and real-time trace recording using the OP1S handheld panel or DriveMonitor PC software.
Simplified Field Replacement: Designed for quick replacement during maintenance without requiring the replacement of power electronics components or power cabling.

Precautions and Considerations

Electrostatic Discharge Safety: The CUVC board contains highly sensitive electrostatic components; operators must wear grounded ESD wrist straps during installation and handling.
High Voltage De-energization: Ensure the main power supply to the drive inverter is completely disconnected and the DC link capacitors are fully discharged before inserting or removing the board.
Parameter Memory Backup: Always save the parameter set to an OP1S operator panel or PC file prior to replacing the control board, as stored settings will be lost when removing the old unit.
Connector Alignment and Seating: Take care when inserting the board into the internal chassis guide to ensure all backplane pin headers and terminal connections align properly without bending pins.
Environment Control: Protect the board from conductive dust, corrosive chemical fumes, excess humidity, and moisture condensation to prevent electrical tracking and component degradation.

Product Applications

Metals and Steel Production: Controlling continuous casting lines, cold rolling mills, wire drawing machinery, and tension winders requiring fine speed and torque synchronization.
Paper and Converting Machinery: Driving unwind/rewind stands, calendars, coaters, and multi-motor section drives where web tension must remain precise.
Cranes and Hoisting Systems: Managing main hoists, bridge travel, and gantry movements in heavy industrial overhead cranes and stacker cranes.
Chemical and Extrusion Plants: Powering heavy-duty extruders, continuous mixers, high-pressure dosing pumps, and industrial centrifuges.
Machine Building and Test Stands: Driving high-precision machine tool spindles, automotive test beds, printing presses, and automated assembly systems.

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