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8. TYPE AND FUNCTION OF I/O SIGNALS
output
signals
are
as show
in the table
below.
Frequency
Set
the frequency
in the
following
manner.
setting
.
i
s
+
Soumand
(a)
When
the variable
resistor
is used:
alion
AVR
iv
O
: Voltage
Connect
1 ko
(500Q
a 2 kQ available)
resistor
input
between
H and
L on PC board.
OI:
Current
input
(b)
When
external
setting
signal
is used:
o Voltage
setting
Connection:
Make
connections
as
shown
on
the
right.
Input
impedance
Ovl0V
selection:
30 kg
Ov5V
selection
: 15 kg
@
For
switching
OV10V
and
Ov5V,
refer
to Table
5
in para.
6.4.
Note)
Do not
apply
12V DC
or more
voltage
between
O and
L.
@
When
switching
the
frequency
command
to
the
terminal,
refer
to
para.
9.1.
o Current
setting
0-5
V
Connection:
Make
connections
as
shown
on
the right.
Input
impedance:
2509
H a Ue
42 H
Reset
command
| Make
connections
as
shown
on the right.
(RS)
When SWRS is closed, the output is
tlev
immediately
turned
off,
and
the
motor
comes
to free-run
stop.
|
3.3kQ
When
the
SWRS
is opened
in the
RS
presence
of setting
and
operation
command,
the
motor
accelerates
is
from
the
lowest
frequency.
If the
|
SWRS
is opened
during
motor
:
inertial
rotation,
a large current
IL = 3.5mA
will
flow,
tripping
the motor
due
to
speed
rpm and
frequency
devia-
Minimum
input
pulse width
>
tion;
therefore,
avoid
such
an
Z50
ms
operation.
«+ Use
this
terminal
for a quick
operating
OFF
brake,
L level
< 0.3V
for
example.
H level
È 2.4
Note:
When
the
SWRS
is
ON
Setti
Af)
et
,
See
the digital display
Operating
al
d
ON
is
black,
and
no
eV
ae
E La H i ES
p
E p EREA m E
display appears.
lO
N
However,
it is not a
Frequency
fault,
but
a normal
operation.
Speed
rpm
(External)
Brake
command
T
20 msec.
7
i
:
or
more
Trip
Trip
Brake
f
reset
operation
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