Rockwell Automation MD65 User Manual Version 2.0 - Manual (Page 45)

Installing Control Wiring 6-11
6.6 Accel/Decel Selection
The selection of Accel/Decel rates can be made through digital
inputs, RS485 communications and/or parameters. See figure 6.3.
Figure 6.3 – Accel/Decel Selection
No
Yes
No
RS485 Port
Controls Speed
No
Yes
Drive Stopped
(Not Running) Yes
Either
P039 (Accel Time 1)/P040 (Decel Time 1)
or
A067 (Accel Time 2)/A068 (Decel Time 2)
can be selected when
RS485 port is active.
Input is programmed
as "Accel 2 & Decel 2"
A051, A052, A053
or A054 = 1
No
Yes A067 (Accel Time 2)/A068 (Decel Time 2)
is active when input is active.
Speed is controlled
by (Preset Freq x)
No
Yes
P039 (Accel Time 1)/P040 (Decel Time 1);
A067 (Accel Time 2)/A068 (Decel Time 2)
determined by the active
Preset Frequency.
See A070-A077 (Preset Freq 0-7)
Either
P039 (Accel Time 1)/P040 (Decel Time 1)
or
A067 (Accel Time 2)/A068 (Decel Time 2)
can be selected by the Digit 3 setting
of the Step Logic parameters.
See A140-A147 (Stp Logic 0-7)
Speed is controlled
by Stp Logic
No
Yes
P039 (Accel Time 1)/P040 (Decel Time 1)
are used.
Drive will Start and Run
at Jog Speed.
Drive will use A079 (Jog Accel/Decel)
Jog Input
Enabled and Active:
A051, A052, A053
or A054 = 2, 11,12