14. Relationship between Frequency and Motor speed 15. Dimensions
RD-122 9
１４．Relationship between Frequency(pps) and Motor speed(rpm)
“pps” is about pulse speed and stands for the number of pulses per second.
Formula to calculate rpm:
Step Angle／Resolution×Frequency×60
Motor speed(rpm)＝────────────────────
360(degree)
Example
Step Angle: 1.8degree, Full step (Resolution: 1), Frequency: 1,000pps
1.8／1×1,000×60
Motor speed(rpm)＝─────────＝ 300 rpm
360
１５．Dimensions
Fig.14. Dimensions
95mm(3.74")
105mm(4.13")
79mm(3.11")
Ｍ４
30mm(1.18")
56mm(2.2")
27.5mm(1.08")
4mm(0.16")
22mm(0.87")
GND
010
DC
－＋
Ｓ
Ｌ－＋
CLOCKOUT
FREE
SPEED H/L
CW/CCW
STOP/START
GND
CURRENT
18V-
40V
LOW
SPEED
GROW
TIME
HIGH
SPEED
C1
C2
A
A
B
B
2P PULSE MOTOR DRIVER
RD-122
MADE IN JAPAN
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