Rockwell-automation MD65 User Manual Version 2.0 Manual de usuario Pagina 162

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H-2
MD65 AC Drive User Manual
level programmed to the desired number of counts. When the
counter reaches the count programmed into the output level the
output will change state. The counter can be reset via a digital
input programmed as “Reset Counter”.
StepLogic
TM
Using Timed Steps
To activate this function, set Speed Reference (P038) to 6 “Stp
Logic”. Three parameters are used to configure the logic, speed
reference and time for each step.
Logic is defined using Stp Logic x parameters (A140-A147).
Preset Speeds are set with Preset Freq x parameters
(A070-A077).
Time of operation for each step is set with Stp Logic Time x
parameters (A150-A157).
The direction of motor rotation can be forward or reverse.
StepLogic
TM
Sequence
Sequence begins with a valid start command.
A normal sequence begins with Step 0 and transition to the
next step when the corresponding StepLogic
TM
time has
expired.
Step 7 is followed by Step 0
Sequence repeats until a stop is issued or a fault condition
occurs.
Figure H.1 – Using Timed Steps
Tim
e
0
Forw
a
r
d
R
e
v
e
r
se
Ste
p
0
Ste
p
1
Ste
p
2
Ste
p
3
Ste
p
4
Ste
p
5
Ste
p
6
Ste
p
7
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