| Features |
-
Integrated heatsink and connector included
-
Input: 20 to 80 VDC; Output: 0.5 to 7.0A
-
Software for setting parameters on PC
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Very low noise; Low heat dissipation; very smooth movement even at low speed
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Anti-resonance system for optimum torque over the entire speed range
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Self-identification system of engine parameters for optimum operation
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"Multi-stepping"
system allowing to optimize the management of the micro step mode and
therefore, to reduce vibrations. The driver will thus decompose the
steps optimally according to the rotation speed.
-
Program resolution up to 102,400 steps / rev.
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Programmable current from 0.5A to 7.0A
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Pulse input frequency up to 200KHz
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TTL compatible. Opto complete insulation
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Automatic idle-current reduction
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For use with 2 phase motors
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Compatible with PULSE / DIRECTION and CW / CCW commands
-
Protection against over voltage, over current and phase errors.
-
CE and ROHS certified
|
|
| Introduction |
|
The DMD8070 driver is a new driver model for stepper motors based on DSP technology. It
brings a very significant gain for the use of stepping motors and in
particular, thanks to the principle of current regulation and to the
decomposition of the variable steps according to the speed, it is
possible to exploit the characteristics of your stepper motors at best. This technology results in optimum torque, low vibrations and reduced heating.
The
driver therefore makes it possible to obtain an operation close to that
of a direct current motor even for low speeds of rotation.
|
| Applications |
|
Usable with NEMA 23 and 34 size motors, this driver is particularly recommended for 86HS35 and 86HS45, 86HS85 and 86HS120 motors from the SOPROLEC range. Used in placement applications and XY tables, this driver will bring you optimum operation with reduced noise.
Parameters setting by serial link makes it possible to adjust the driver optimally.
|
| Electrical specifications (Tj=25℃) |
|
Parameters
|
DMD8070
|
| |
Mini
|
Typical |
Maxi
|
|
Output current
|
1.4
|
-
|
7.0
|
Amps
|
|
Supply voltage (DC)
|
20
|
-
|
80
|
VDC
|
|
Logic signals current
|
7
|
10
|
16
|
mA
|
|
Pulse input frequency
|
0
|
-
|
200
|
Khz
|
|
Insulation Résistance
|
500
|
-
|
-
|
MΩ
|
|
|
Mechanical specifications
(Unit: mm, 1 inch=25.4 mm) |
|
|
|
Pinout and description
|
Control Signal Connector P1 pins
|
Pin Function
|
Details
|
|
PUL﹢(+5V)
|
Pulse signal: in single pulse (pulse/direction) mode, this input
represents pulse signal, effective for each rising edge; 4-5V when
PUL-HIGH, 0-0.5V when PUL-LOW. In double pulse mode (pulse/pulse) this
input represents clockwise (CW) pulse. For reliable response, pulse
width should be longer than 2.5us. Series connect resistance for
current-limiting when +12V or +24V used.
|
|
PUL- (PUL)
|
|
DIR+ (+5V)
|
DIR signal: HIGH/LOW level signal, corresponding to motor rotor
direction. For reliable response, DIR must be ahead of PUL by 5µs at
least, the initial motor direction is related with motor wiring,
exchange any set of coil can reverse motor initial direction. 4-5V when
DIR- HIGH, 0-0.5V when LOW.
|
|
DIR- (DIR)
|
|
ENA+ (+5V)
|
Enable signal: this signal is used for enabling/disabling the driver.
High level for enabling the driver and low level for disabling the
driver. Usually left unconnected (enabled).
|
|
ENA- (ENA)
|
Power connector P2 pins
|
Pin Funtion
|
Details
|
|
Gnd
|
DC power ground
|
|
+V
|
DC power supply, +20VDC － +80VDC, Including voltage fluctuation and EMF voltage.
|
|
Phase A
|
Motor coil A (leads A+ and A-)
|
|
Phase B
|
Motor coil B (leads B+ and B-)
|
|
Microstep Resolution Selection |
|
Microstep resolution is specified by 5, 6, 7,8 DIP switches as shown in the following table:
| Microstep |
usteps/rev.( 1.8°/rev) |
SW5 |
SW6 |
SW7 |
SW8 |
| 2 |
400 |
OFF |
ON |
ON |
ON |
| 4 |
800 |
ON |
OFF |
ON |
ON |
| 8 |
1600 |
OFF |
OFF |
ON |
ON |
| 16 |
3200 |
ON |
ON |
OFF |
ON |
| 32 |
6400 |
OFF |
ON |
OFF |
ON |
| 64 |
12800 |
ON |
OFF |
OFF |
ON |
| 128 |
25600 |
OFF |
OFF |
OFF |
ON |
| 5 |
1000 |
ON |
ON |
ON |
OFF |
| 10 |
2000 |
OFF |
ON |
ON |
OFF |
| 20 |
4000 |
ON |
OFF |
ON |
OFF |
| 25 |
5000 |
OFF |
OFF |
ON |
OFF |
| 40 |
8000 |
ON |
ON |
OFF |
OFF |
| 50 |
10000 |
OFF |
ON |
OFF |
OFF |
| 100 |
20000 |
ON |
OFF |
OFF |
OFF |
| 125 |
25000 |
OFF |
OFF |
OFF |
OFF |
|
Current Setting |
| Peak Current (A) |
RMS (A) |
SW1 |
SW2 |
SW3 |
| Default |
OFF |
OFF |
OFF |
| 2.6 |
1.8 |
ON |
OFF |
OFF |
| 3.4 |
2.4 |
OFF |
ON |
OFF |
| 4.0 |
2.8 |
ON |
ON |
OFF |
| 4.8 |
3.4 |
OFF |
OFF |
ON |
| 5.4 |
3.8 |
ON |
OFF |
ON |
| 6.1 |
4.3 |
OFF |
ON |
ON |
| 7.0 |
5.0 |
ON |
ON |
ON |
|
|
Typical Connections |
|
|
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