Rockwell Automation SP600 User Manual Version 3.0 User Manual

Page 218

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12-22

SP600 AC Drive User Manual

Table 12.12 – Motor and/or Drive Will Not Accelerate to Commanded Speed

Indication

Cause(s)

Corrective Action

Acceleration time is
excessive.

Incorrect value in
Accel Time “x” (140,
141).

Reprogram Accel Time “x”
(140, 141).

Drive is forced into
current limit, slowing or
stopping acceleration.

Excess load or short
acceleration time.

Check Drive Status 2
(210), bit 10 to see if the
drive is in current limit.

Remove excess load or
reprogram Accel Time “x”
(140, 141).

Speed command
source or value is not
as expected.

Improper speed
command.

Check for the proper
speed command using
steps 1 through 7 in table
12.11.

Programming is
preventing the drive
output from exceeding
limiting values.

Incorrect
programming.

Check Maximum Speed
(82) and Maximum Freq
(55) to insure that speed is
not limited by
programming.

Table 12.13 – Motor Operation is Unstable

Indication

Cause(s)

Corrective Action

None

Motor data was
incorrectly entered or
autotune was not
performed.

1. Correctly enter motor

nameplate data.

2. Perform static or rotate

autotune procedure
(61).

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