Optical Display For The Most Important - Lenze 490 Series Technical Description

ct~eaJc~a4:
EK12/fa
5]
output standstibb logic
When the speed is bess than n
the transistor output terminab
When instabbing a diode (e.g. 1N4004) on the position
V 714 of the board 4091, the transistor output terminab
~ switches to 0.6 V if the speed is bess than
nmax
n =
The output is used for an automatic mains switch—off.
- Application proposab for fastest possibbe mains
switch-off (faster
V174 must be sobdered. See chapter 11.
IOOR
+Vcc
5]
maximum external bad of +Vcc is 50 mA
10. Optical display of the most iinpartant functions with LEDs
10.1 LED ±Vcc
±Vcc is bit,
±Vcc is not bit when there is no power suppby
(±Vccsurveillance).
03.11.89
and the motor is without current.
50
10K
REL/TRP-1 5
part no. 321 351
15V stabibized
=
when the controbber
nmax
=
50
~j
switches to =0.6V
braking in inverter operation).
K3
BC 337
tBr brake time of the drive
S1 drive off
S2 drive on
K2 reiay with goid—piated contacts
is ready to operate.
page:~
14
quick stop deloyed n1~n ccn~octcr
r~Oy timer cur~ent conTro!Ier
Lanze