Controller Inhibit; Reversing And Brakirig - Lenze 7812 Technical Description

Inverter drives
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ET4 6/fa

5.2 Controller inhibit

USe low—current
(12V/lOinA)
5.3 Reversincr
Use low-current
(12V/lOxnA)
FWD
SI
—i-----I-------
-‚Pn
-
-
REV
k
~
si
fon
brakej
1
S2
____
__________
T
-~
II
~‚~N'c1ockw~se
~set
,
—‚
~ti-clockwise
checked:
19.04.89
RSP
S7
contacts
and braking
Reversing
s1
contacts
on
—~--t
Qn
-1-
IB 33.0831 GB
The controller is inhibited when
the RSP switch is closed.
The controller is released when
the RSP switch is operied.
Clockwise rotation occurs with
-
switch 51 in FWD position,
assuming correct phase connection
the motor
of
Ariti-clockwise rotation occurs
with switch 51 in REV position
assulning correct phase connection
of the motor
Braking occurs when switch
S2 is opened
During reversal, the drive is
slowed down according to the
deceleration raxop, reverses at
n set-
0,5Hz and then
acceierates to the speed set—
value alcing the acceleration
ramp.
~-2~3rl th& ~wi~ch S2 is openec~,
t~
ci~:fy~ is s.owed down
-
-
~L..1¶
s~.
~Q~U1J!
-~ -
~
tI--~ v~1ue set c:~
page:
5
~
accoroing
thr.

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