AstroLink 4 Pi Manual - Página 7
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The default factory value is 0.4A – ready to use by unipolar Robofocus, Moonlite, or AstroLink motors,
and safe for most of the bipolar stepper motors.
The stepper motor socket pinout is presented in Figure 5.
Required connections are listed in the table below.
pin
unipolar
1
COMMON
2
COMMON
3
COIL A
4
COIL A'
5
COIL B
6
COIL B'
Setting the regulated output voltage
The voltage at the regulated output can be adjusted using a small potentiometer at the DC converter
module (see Figure 4). To access this potentiometer you need to take off the enclosure top (see
Figure 2) and then use a 2mm flat screwdriver to adjust the voltage. The regulated output voltage
can be set in the range of 3 to 10V. Use a multimeter connected to the regulated voltage output to
control the actual voltage value.
Disconnect any device from the regulated voltage output before you start the voltage adjustment
operation!
Rev. 1.0
Figure 5 - AstroLink 4 Pi focusing motor output
AstroLink 4 Pi manual - astrojolo.com
bipolar
NOT CONNECTED
NOT CONNECTED
COIL A
COIL A'
COIL B
COIL B'
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