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Lenze 520 Series - Lndications; State and Diagnosis Displays; Transistor Output for Surveillance Function

Lenze 520 Series
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4Q
-
DC
Chopper
520
series
63
8.4
INDICATIONS
8.4.1.
STATE
AND
DIAGNOSIS
DISPLAYS
±
Vcc:
llluminated
if
the
DC
bus
voltage
or
the
auxiliary
voltage
is
applied.
TRIP:
llluminated
as
soon
as
one
of
the
surveillance
functions
detects
a
fault
immediately after
mains
disconnection.
IMP:
Illuminated
in
case
of
controller
inhibit
or if
a
surveillance
function
was
released.
Imax: llluminated,
as
soon
as
the
speed
controller
output
has
reached
its
limit.
Possible
causes:
a)
Armature
circuit
interrupted
b)
Field
circuit
interrupted
c)
Field
circuit
not
connected
d)
Motor
blocked
<overload)
The
maximum
current
only
flows
in
case
b>,
c)
and
d).
8.4.2
TRANSISTOR
OUTPUT
FOR
SURVEILLANCE
FUNCTION
If
a
surveillance
function
has
been
activated,
a
High
signal
<+
Vcc)
is
appiied
across
terminal
19
for
approx.
is.
The
output
has
a
maximum
current
capacity
of 25 mA
and
is
suitable
for
the
direct
connection
of
a
transistor
relay.
Lenze

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