Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX User Manual
Page 344
B-6
Control Block Diagrams
Choosing a Stop Command
You need to specify how you want the drive to stop the motor when a
stop command is issued. You have three options:
By default, the normal stop (bit 0) is used.
To view which type of stop is currently selected for your drive, check
to see which bit of Logic Input Sts is set (0, 7, or 8). If multiple bits
are set, the priority is bit 8 (coast stop), bit 7 (current limit stop), and
then bit 0 (normal stop).
This type
of stop:
Is specified in this
bit of Logic Input
Sts:
And can be represented by the following
diagram:
Coast
8
This results in inverter shut off.
Current
Limit
7
This results in the fastest possible stop.
Normal
(Ramp)
0
Speed
Time
Stop command issued
Speed
Time
Stop command issued
Speed
Time
Stop command issued
You determine
the length of time
The braking method, if any, that you have selected also affects how
your drive stops. Refer to Chapter 9, Applications, and the
description of Bus/Brake Opts (parameter 13) in Chapter 11,
Parameters, for information about the available braking methods.