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21
3.5.5 Start/Stop and Direction of Rotation
In analog speed mode, the direction of rotation and Start/Stop are preset via the two digital
inputs
Start/Stop
and
Direction
, as described in Chapter
2.2.4
.
In all other operating modes, the direction of rotation is preset via
adl
and
adr
. The direction
can be verified by the command
gd
. The drive is disabled using
di
(no-load switched) and
started again with
en
. Note that commands which change the state of the drive (e.g.
v
and
ov
) will not be accepted following the command
di
. The command en will restore the drive to
its state prior to the command
di
.
In addition, one can determine that the Start/Stop button or the direction switch can be moni-
tored, even when the drive is not in analog mode. With
smd 1
the user can ensure that the
direction switch is monitored. The commands
adl
or
adr
then have no further effect because
the switch determines the direction at the direction input. With
smd 0
the external check is
disconnected, and the direction can once more be set via
adl
and
adr
(With
sor 0
the direction
can be set via the sign of the
v
-command).
The command
sms 1
serves the same purpose with the Start/Stop button: it will now be moni-
tored. Starting and stopping is also possible using
en
and
di
.
Command Function Description
adl
Analog Direction Left Rotation to the left
adr
Analog Direction Right Rotation to the right
sms
Set Manual Start 0 = Start/Stop button not monitored;
1 = it will be monitored
smd
Set Manual Direction 0 = direction switch will be ignored;
1 = it will be monitored
en
Enable Drive Drive is started
di
Disable Drive Drive is stopped
gd
Get Direction In which direction is the drive rotating?
“r” for right, “l” for left