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2. DETAILS OF MIGRATION FROM Q17nCPUN(-T) TO RnMTCPU
(8) Acceleration/deceleration time settings
The setting range of the acceleration/deceleration time is expanded from 1 word to 2 words
in RnMTCPU. This change requires some program revisions.
Refer to the following conditions for the revisions.
[Items which need a program revision]
Function Item
Motion control parameter
(Parameter block)
Acceleration time
Deceleration time
Rapid stop deceleration time
Servo program Acceleration time
Deceleration time
Rapid stop deceleration time
Fixed position stop acceleration/
deceleration time
[Program change procedure]
No. Condition Revision procedure
1
Direct setting of the acceleration/
deceleration time
• No need to revise the program
2
Indirect setting of the
acceleration
/deceleration time
The start device
number is an
even number
• Check whether the next device of the start
device is usable or not. If it is unusable,
secure two words of devices for the
acceleration/deceleration time settings.
• Note that no error occurs at program
conversion.
3
The start device
number is an
odd number
• An odd number cannot be set as the start
device number. Secure two words of devices
starting from even number.
• If the device is an odd number, an error
occurs at program conversion.
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