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5-6-4 Brake Mode<br />

Brake function for servo motor and the external mechanical brake if it is used can be set according to the table<br />

below. Set the brake mode as required for Servo off, Emergency Stop and CCW/CW rotation inhibit functions.<br />

Parameter Name Setting Description<br />

Dynamic Brake<br />

Mechanical Brake<br />

Control<br />

Mode<br />

0 Disable Disable<br />

Cn008<br />

Brake<br />

Modes<br />

1 Disable Enable<br />

ALL<br />

2 Enable Disable<br />

3 Enable Enable<br />

Note!<br />

When the CCW/CW Drive Inhibit occur, the Cn009 has the higher priority than Cn008.<br />

Example:<br />

If Cn008 is set to 0 or 1 which means (no Dynamic Brake).<br />

BUT Cn009= 1 (with Dynamic Brake), then the dynamic brake will be effective( enabled).<br />

5-6-5 Timing Diagram of Mechanical Brake<br />

In applications with vertical loading, if the power is turned off, to prevent the load from falling<br />

due to gravity, a servo motor with electro-mechanical brake can be used.<br />

This servo drive provides a brake output (BI) which can be used for controlling the external brake.<br />

Timing of brake output signal can be set by parameter Cn003 (Output Time for electro-mechanical Brake).<br />

Typical Circuit Diagram<br />

CN2<br />

5-66

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