Rockwell Automation 1305 AC Drive, Series C, Firmware 6.xx and Up User Manual

Page 91

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Programming

5-23

Advanced Setup Group

(continued)

[DC Hold Volts]

Parameter # 13

Factory Default 0 Volts

[DC Hold Volts]

Parameter Type Read & Write

Minimum 0 Volts

This parameter value sets the DC voltage applied to the
motor during braking when the [Stop Select] is set to
either ‘‘DC Brake” or ‘‘Ramp”.

Important: When setting this parameter, begin at a low
voltage and continue increasing until sufficient holding
torque is achieved and the drive output current rating is not
exceeded.

Units 1 Volt

Maximum

25% of Max. Drive Rated Volts

[DB Enable]

Parameter # 11

Factory Default ‘‘Disabled”

[DB Enable]

Parameter Type Read & Write

This parameter enables the use of external dynamic brake
resisters by disabling the internal ramp regulation

Units Text

Settings ‘‘Enabled”

Permits dynamic brake operation

resisters by disabling the internal ramp regulation.

Important: Dynamic braking is not available for 0.37 - 0.75
kW (0.5 - 1HP) units rated 230 Volt.

‘‘Disabled”

Permits Ramp Regulation

[Motor Type]

Parameter # 41

Factory Default ‘‘Induc/Reluc”

[Motor Type]

Parameter Type Read & Write

Factory default for this parameter is an induction motor.
Changing this parameter to “Sync PM” causes

Units Text

Settings ‘‘Induc/Reluc”

Requires No Additional Setting for use with
induction/reluctance rated motors

Changing this parameter to Sync PM causes
[Compensation] and [Rated Slip] to be internally
disabled.

‘‘Sync PM”

Requires [Stop Select] to be set to a selection other
than ‘‘DC Brake” when used with Synchronous
Permanent Magnet Motors

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