Selectiori Of Tixed Frequencies (Speeds) - Lenze 7812 Technical Description

checked: 19.04.89
ET4 6/fa
5..4 Selection of fixed rotational field frecmencies
T
CMIX1
S3 S4
Use bw current
contacts (12V/lOmA)
l t
xl
S3
X2
S4
f .
Jog
$5
„set
D3
tD2
~D1
~Dset
D 4
X2
Jogj
S5
1
MB 33.0831 GB
lt all 3 switches
-
the drive is operated by the
set—value potentiometer,
master voltage, master current
or the internal setting.
either Xl or X2 or both
lt
-
terminals are connected
a constant
f leid frequency
In addition
-
terminal marked „JOG",
connected to CM, a tourth
progra~med
taking precedence over all
other preset frequencies. Four
different fixedspeeds can
therefore be selected
via simple switching action.
~~~1
1
page: 6
are opened,
to CM,
prograiiuuable
is generated.
to this, lt the
is
freq~uency is generated,
t
t
—