Q-21
(A)
Photoelectric
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(B)
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(C)
Door/Area
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(D)
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(N)
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(P)
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(Q)
Stepper Motors
& Drivers
& Controllers
(R)
Graphic/
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(S)
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(T)
Software
Setting Microstep (microstep: resolution)
Resolution (MS1)
The set step angle is dividing basic step angle (0.72°) of 5-phase stepper motor by setting value.
The calculation formula of divided step angle is as below.
When using geared type motor, the angle is step angle divided by gear ratio.
Step angle/gear ratio = Step angle applied gear
E.g) 0.72°/10 (1:10) = 0.072°
※
Must stop the motor before changing the resolution.
Set step angle =
Basic step angle (0.72°)
Resolution
I/O Circuit and Connections
※
Power input of 2/3-axis are used as same and
I/O terminals are proportional to the number of axes.
※
This connection cable color is only for Autonics motors.
It may different cable color when using other motors.
※
CW
2-pulse input method (CW rotation signal input)
1-pulse input method (operating rotation signal input)
※
CCW
2-pulse input method (CCW rotation signal input)
1-pulse input method (rotation direction signal input)
→ [H]: CW, [L]: CCW
※
HOLD OFF
Control signal for motor excitation OFF
→ [H]: Motor excitation OFF
※
ZERO OUT (option)
Zero point excitation output signal → Zero point status ON
※
If the power for driving pulse from external is over
than +5VDC, please connect resistor at the outside.
(input voltage max. 24VDC, input current 10-20mA)
※
In case of standard connection, refer to Q-40 page.
Switch No.
0 1 2 3 4 5 6 7 8 9 A B C D E F
Resolution 1 2 4 5 8 10 16 20 25 40 50 80 100
125 200 250
Step angle 0.72° 0.36° 0.18° 0.144° 0.09° 0.072° 0.045° 0.036°
0.0288°
0.018°
0.0144°
0.009°
0.0072° 0.00576° 0.0036° 0.00288°
5-Phase Stepper Motor Driver (1.4A/Phase, DC Power, Multi-Axis)
[Signal]
[Motor]
[Power]
GND
BLUE
RED
ORANGE
GREEN
BLACK
5
4
3
2
1
1
2
3
4
5
6
7
8
270Ω
270Ω
390Ω
10Ω
CW
CCW
HOLD OFF
+5VDC
ZERO OUT
Pentagon
connection
Standard
connection
Blue Gray+Red
Red Yellow+Black
Orange Orange+White
Green Brown+Green
Black Blue+Purple
Power
20-35VDC
+
-
1
2
Motor
※
Each axis structure is same.
MD5-HD14-3X
MD5-HD14-2X
RUN current
switch
Resolution
switch
STOP current
switch
3-axis 2-axis
2-axis
1-axis
1-axis
Function
selection
DIP switch
Motor
connector terminal
I/O terminal Power
terminal
Unit Description
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