R325P User Manual
Page
10
of
20
1/31/2013 Version 1.0
Using
the
R325P
with
more
than
5V
You
can
choose
to
supply
the
optos
with
the
R325P’s
internal
5V
supply
by
jumping
pins
1
to
4.
But
if
you
choose
to
use
more
than
5V,
for
example,
a
24V
supply
and
the
step
pulse
train
is
also
a
0
to
24V
low
‐
high
signal,
please
use
the
following
recommended
resistor
to
limit
the
current
to
10
mAmps.
Note:
no
resistor
will
be
needed
on
the
actual
opto
supply
line,
pin
1.
Step
&
Direction
lines
have
a
470
ohm
internal
resistor
Voltage:
5V
10V
15V
24V
Ohms
needed:
0
500
1000
2000
Wattage
rating:
0
¼
watt
¼
watt
¼
watt
Table
6.1
Disable
line
has
a
1k
ohm
internal
resistor
Voltage:
5V
10V
15V
24V
Ohms
needed:
0
1000
2000
3800
Wattage
rating:
0
1/8
watt
1/8
watt
¼
watt
Table
6.2
Configure
the
R325P
using
the
DIP
Switch
R325P
DIP
Switch
Settings
Run
Current
Function
SW1
SW2
SW3
SW4
0.3A
ON
ON
ON
ON
0.4A
OFF
ON
ON
ON
0.5A
ON
OFF
ON
ON
0.6A
OFF
OFF
ON
ON
0.8A
ON
ON
OFF
ON
1.0A
OFF
ON
OFF
ON
1.2A
ON
OFF
OFF
ON
1.4A
OFF
OFF
OFF
ON
1.6A
ON
ON
ON
OFF
1.8A
OFF
ON
ON
OFF
2.0A
ON
OFF
ON
OFF
2.2A
OFF
OFF
ON
OFF
2.4A
ON
ON
OFF
OFF
2.6A
OFF
ON
OFF
OFF
2.8A
ON
OFF
OFF
OFF
3.0A
OFF
OFF
OFF
OFF
Table
6.3
WARNING:
Current
of
2.7
Amp
and
above
REQUIRES
an
additional
heat
sink;
make
sure
the
temperature
of
the
bracket
does
not
exceed
45°
C
