3. Specifications 4. Part Name
2
3.Specifications
Supply voltage Single 18 to 40VDC (including ripple)
Supply current Approx. 1.2 times rated coil current of motor (max.)
Motor current 0.3 to 3A/phase (Adjustable by Run Current Adjustment Trimmer)
Drive method Unipolar, constant current chopper method
Excitation method Microstep
Microstep resolution 50, 64, or 80 microsteps/step
Clockout resolution Selectable clockout 1 to 80 pulses/step
Position repeatability
±1 microstep with no load in one direction
(with 50 microsteps/step)
Auto. current down 0 to 80% of the run current after about 0.3 seconds of inactivity
according to stop current setting (Setting at shipment is 50%)
Protective circuitry Overheat, over current and low supply voltage protection
Oscillating frequency 700 kpps max.
Accel.,/Decel. time 20msec to 3sec
(when you change SPEED terminal from 0V to 5V.or from 5V to 0V)
Speed change function Analog (Variable by analog voltage of SPEED terminal)
Weight Approx. 250g (8.8oz.)
Outside dimensions 27.5H x 105W x 56Dmm (1.1”H x 4.1”W x 2.2”D)
4.Part Name
Fig.1. Name Plate
POWER SUPPLY
MOTOR OUTPUT
PART OF CLOCKOUT DIP SWITCH ALARM LED
RESOLUTION
RUN CURRENT Adjustment Trimmer STOP CURRENT Adjustment Trimmer
INPUT/ OUTPUT
GROW TIME Trimmer
LOW SPEED Trimmer HIGH SPEED Trimmer
GND
CA
CB
A
A
B
B
010010
1
00 00
1
0
0
0
0
1
1
0
0
0
1
0
1
0
0
0
0
11
1
0
DC
5
0
5025
1
64
1
1
-+
S
L-+
RUN STOP
ALARM
CLOCKOUT
GROWOUT
GND
SPEED
CW/CCW
STOP/START
GND
80
DIVISION
CURRENT
18V
-
40V
LOW
SPEED
GROW
TIME
HIGH
SPEED
1
- D1
- D2
- D3
- D4
- D5
3A
0-1
1.5A
RD-323MS
2P MICRO STEP DRIVER
MADE IN
JAPAN
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