Chapter 16 PLC Function ApplicationsMH300
Be cautious when using the WPR command. When writing parameters, most
parameters are recorded when they are written, and these parameters may only
be revised 10
9
times: a memory write error may occur if parameters are written
more than (MS)10
6
or (MH)10
9
times.
The number of times a parameter is written is based on whether the written value
is modified. For instance, writing the same value 100 times at the same time counts
as writing only once.
The following commonly-used parameters have special treatment, so there are
no limits for the number of times that they can be written.
Pr. 00-10: Control method
Pr. 00-11: Speed mode selection
Pr. 00-13: Torque mode select
Pr. 00-27: User-defined value
Pr. 01-12: Acceleration time 1
Pr. 01-13: Deceleration time 1
Pr. 01-14: Acceleration time 2
Pr. 01-15: Deceleration time 2
Pr. 01-16: Acceleration time 3
Pr. 01-17: Deceleration time 3
Pr. 01-18: Acceleration time 4
Pr. 01-19: Deceleration time 4
Pr. 02-12: Select MI Conversion Time mode:
Pr. 02-18: Select MO Conversion Time mode:
Pr. 04-50–Pr. 04-69: PLC register parameter 0–19
Pr. 08-04: Upper limit of integral
Pr. 08-05: PID output upper limit
Pr. 10-17: Electronic gear A
Pr. 10-18: Electronic gear B
Pr. 11-34: Torque command
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