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M-Maxâ„¢ Series Adjustable Frequency Drive - Eaton Corporation

M-Maxâ„¢ Series Adjustable Frequency Drive - Eaton Corporation

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List of Figures<br />

M-Max <strong>Frequency</strong> Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3<br />

Control Signal Terminals and Microswitches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3<br />

M-Max <strong>Series</strong> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4<br />

Scope of Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5<br />

Overview of the M-Max Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13<br />

Block Diagram, Elements of M-Max <strong>Frequency</strong> Inverters . . . . . . . . . . . . . . . . . . . . . . . 14<br />

Selection Criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15<br />

<strong>Drive</strong> System (PDS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18<br />

AC Power Networks with Grounded Center Point (TN-/TT Networks) . . . . . . . . . . . . . 19<br />

EMC Environment and Category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22<br />

Parallel Connection of Several Motors to One <strong>Frequency</strong> Inverter . . . . . . . . . . . . . . . . 23<br />

Example of a Motor Ratings Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24<br />

Star and Delta Circuit Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24<br />

V/Hz-Characteristic Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24<br />

Bypass Motor Control (Example) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25<br />

Mounting Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26<br />

Air-Cooling Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26<br />

Free Space at the Sides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26<br />

Mounting Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27<br />

Configuration for Mounting with Screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27<br />

Mounting Rail Conforming with IEC/EN 60715 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27<br />

Fastening to the Mounting Rail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27<br />

Demounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28<br />

Mounting the Cable Routing Plate and the Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . 28<br />

EMC-Compliant Setup (Example: M-Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30<br />

Three-Phase Input Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32<br />

Connection to Power Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32<br />

Ground Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32<br />

Connection in Power Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33<br />

Screened Connection Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33<br />

Connection with Twisted Cable Shielding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33<br />

Four-Core Shielded Motor Supply Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33<br />

Position of Control Signal Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36<br />

Prevent the Shield from Becoming Unbraided . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36<br />

Example for a Single-Side Connection (PES) to the <strong>Frequency</strong> Inverter . . . . . . . . . . . . 36<br />

Example for an Insulated End of the Control Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36<br />

Control Signal Terminals Assignments and Designations . . . . . . . . . . . . . . . . . . . . . . . 37<br />

Microswitch Factory Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37<br />

Control Signal Terminals (Digital and Analog Inputs/Outputs) . . . . . . . . . . . . . . . . . . . . 39<br />

Analog Setpoint Inputs AI1 and AI2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39<br />

Analog Setpoint Value Signal, for Example, from a Superordinate Controller (PLC) . . . 39<br />

Analog Output AO (Connection Examples) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40<br />

Digital Inputs with Internal Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40<br />

Digital Inputs with External Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40<br />

Digital Inputs with Internal Supply Voltage (Negative Logic, Sink Type) . . . . . . . . . . . . 40<br />

Digital Inputs with External Supply Voltage (Negative Logic, Sink Type) . . . . . . . . . . . . 41<br />

Digital Output DO and Connection Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41<br />

Connection Example and Operation of DO in Source and Sink Type . . . . . . . . . . . . . . . 41<br />

M-Max <strong>Series</strong> <strong>Adjustable</strong> <strong>Frequency</strong> <strong>Drive</strong><br />

M-Max <strong>Series</strong> <strong>Adjustable</strong> <strong>Frequency</strong> <strong>Drive</strong> MN04020003E—April 2011 www.eaton.com v

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