Cloudray DM422S Manuel utilisateur
DM422S USER MANUAL
www.cloudratmotor.com
DM422S
USER MANUAL
DM422S USER MANUAL
www.cloudratmotor.com
Contents
1. Product Overview............................................................................................................................................1
2.Application Environment and Installation....................................................................................................... 1
2.1Environmental requirement...................................................................................................................... 1
2.2Drive installation dimensions.....................................................................................................................2
2.3Drive installation requirements................................................................................................................. 2
3.Drive Port and Connection...............................................................................................................................3
3.1Port function description........................................................................................................................... 3
3.2 Power supply input................................................................................................................................. 3
3.3 Motor connection................................................................................................................................. 4
3.4 Control signal connection........................................................................................................................ 5
3.4.1 PUL, DIR port: connection for pulse command.............................................................................. 5
3.4.2 ENA port: used to enable or disable............................................................................................... 5
3.4.3 Control signal wiring example.........................................................................................................6
4.1The setting of current................................................................................................................................ 7
4.2 The setting of pulse per revolution...........................................................................................................8
4.3Half / full flow selection............................................................................................................................. 8
5.Drive working status LED indication................................................................................................................ 8
6. Common Faults and Troubleshooting.............................................................................................................9
Appendix A. Guarantee Clause......................................................................................................................... 10
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1. Product Overview
Thank you for choosing Cloudray DM series digital stepper drive.
DM series stepper drive, which surpasses the performance of common analog stepper drive comprehensively
based on the new 32-bit DSP platform developed by TI, and adopting the micro-stepping technology and PID
current control algorithm design. The DM series stepper drives have the features of low noise, low vibration, low
heating and high-speed high torque output, it is suitable for most stepper motors by integrated with the
micro-stepping technology.
The DM 556S driver can select the running current and subdivision through the DIP switch. There are 16
subdivisions and 8 current selections. It has overvoltage, undervoltage and overcurrent protection. Its input and
output control signals are optically isolated.
Power supply
24 – 50VDC
Output Current
Up to 2.2 amps（peak value）
Current control
PID current control algorithm
Micro-stepping settings
DIP switch settings, 16 options
Speed range
Use the suitable motor，up to 3000rpm
Resonance suppression
Automatically calculate the resonance point and inhibit the IF vibration
Parameter adaption
Automatically detect the motor parameter when drive initialize, optimize
the controlling performance
Pulse mode
Support direction & pulse, CW/CCW double pulse, A/B quadrature pulse
input
Pulse filtering
2MHz digital signal filter
Idle current
The current is automatically halved after the motor stops running
We hope that our products with excellent performance can help you to complete the sports control program
successfully.
Please read this technical manual before using the products.
2. Application Environment and Installation
2.1 Environmental requirement
Item
Cloudray DM 422S
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Installation environment
Avoid dust, oil and corrosive environment
Vibration
0.5G（4.9m/s2）Max
Operating temperature/humidity
0℃~ 45℃/ 90% RH or less (no condensation)
Storage and transportation temperature:
-10℃~ 70℃
Cooling
Natural cooling / away from the heat source
Waterproof grade
IP54
2.2 Drive installation dimensions
56
92.6
29
8.25
21
2.3 Drive installation requirements
Please install the drive vertically or horizontally, with its front facing forward, top facing upward to facilitate
cooling.
During assembly, avoid drillings and other foreign matters falling inside the drive.
During assembly, please use M3 screw to fix.
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When there is vibration source (such as a driller) close to the installation position, please use a vibrating absorber
or a vibration resistant rubber gasket.
When multiple drives are installed in the control cabinet, please pay attention to reserve enough space for
sufficient heat dissipation. If necessary, you can configure cooling fans to ensure good heat dissipation conditions
in the control cabinet.
3. Drive Port and Connection
3.1 Port function description
Function
Grade
Definition
Remarks
Power supply input port
V+
Input V+ power supply
DC 24~50V
V-
Input V- power supply
Motor connection port
B-
connect two terminals of
motor’s phase-B winding
B+
A-
connect two terminals of
motor’s phase-A winding
A+
Enable connection
ENA+
Enable control interface
3.3 ~ 24V level
compatible
ENA-
Pulse connection
PUL+
Pulse input interface
PUL-
DIR+
Direction input interface
DIR-
3.2 Power supply input
The power supply of the drive can be both AC power and DC power, and the input voltage range is 24V~50VDC.
Input power polarity should not be reversed!!!
The drive’s work mode is constant current control. The drive output the voltage to motor by changing the input
power into PWM chopping wave when it is working. In this case, the input power will affect the performance of
drive.
Power selection reference:
Voltage:
The stepper motor has the characteristic of torque decreasing as the motor speed increases, and the voltage of
the input power supply will affect the declining amplitude of the motor torque at high speed. Increasing the
voltage of the input power supply appropriately can increase the output torque of the motor at high speed. And
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use low voltage when it is low speed required, can lower motor’s heating appropriately.
Current:
The work of the drive is to convert the input power supply with high voltage and low current to the low voltage
and high current at both terminals of the motor winding.In this case, the current of power supply will be lower
than the motor’s.
The effects of regeneration voltage:
When the stepper motor is working, it also keeps the characteristics of the generator. At deceleration, the kinetic
energy accumulated by the load is converted into electric energy, which will be superimposed on the drive circuit
and the input power. In application, attention should be paid to the setting of acceleration and deceleration time
to prevent the protection of the drive or power supply.
When the drive is powered off, similarly, the drive LED indicator will be on if the load is increased to allow the
motor to move
3.3 Motor connection
4线电机
A+
A -
B+
B-
8线串联
A+
A -
B+
B-
8线并联
A+
A -
B+
B-
6线串接
A+
A -
B+
B-
NC
NC
6线中心抽头
B+
B-
A+
A -
NC
NC
The matching motor of the DM 422S drive is the low resistance and low inductance hybrid stepper motor.
The common 2-phase stepper motor’s lead number are 4, 8 and 6.
There is only one connection mode for 4 leads motor.
Series and parallel connection mode are used by 8 leads motor:
4-wire motor
8-wire series
8-wire parallel
6-wire series
6-wire center shaft head
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When series used, the winding inductance increased. The set of drive current should be about 0.7times than
before. This is suitable for low speed required.
When parallel used, the winding inductance decreased. The set of drive current should be about 1.4times than
before. This is suitable for high speed required.
Parallel and central tapping connection mode are used by 6 leads motor:
When parallel used, all the winding connected, and the inductance was higher. This is suitable for low speed
required.
When central tapping used, half of the winding connected, and the inductance was lower. This is suitable for high
speed required.
3.4 Control signal connection
3.4.1 PUL, DIR port: connection for pulse command
The signal interface of standard DM series drive is switch.
The upper controller can be the pulse signal generating device, such as PLC, MCU, control card and controller.
The pulse level that DM 556S drive can be used: 3.3V-24V (no need to connect resistor)
Pulse&Direction（PUL + DIR）
Dual Pulse （CW +CCW）
Orthogonal Pulse（A/B）
3.4.2 ENA port: used to enable or disable
When the default optocoupler is off, the driver outputs current to the motor. When the internal optocoupler is
turned on, the driver will cut off the current of each phase of the motor to make the motor free. At this time, the
step pulse is not responded.
The ENA input can be used to restart the drive when the motor is in an error state. First, the existing fault should
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be eliminated, and then a falling edge signal is input to the ENA terminal, and the drive can be re-energized.
The level logic of the ENA signal can be set to the opposite, with the logic being opposite to the above.4.
3.4.3 Control signal wiring example
Common anode
Common cathode
Difference
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4.1 The setting of current
The setting of DIP switches and operating parameters
The setting of current Semi / Full current option The setting of pulse per revolution
Peak Current
Average Current
SW1
SW2
SW3
Remarks
0.3A
0.2A
on
on
on
Other Current
can be
custom-made.
0.5A
0.3A
off
on
on
0.7A
0.5A
on
off
on
1.0A
0.7A
off
off
on
1.3A
1.0A
on
on
off
1.6A
1.2A
off
on
off
1.9A
1.4A
on
off
off
2.2A
1.6A
off
off
off
DIP SW1, SW2, SW3 are used to set current which is output from drive to motor.
Generally, the current setting is the motor rated current. If your system has high request to the heating, please
decrease the current properly to lower the motor’s heating, but at the same time, the output torque will be
lower. If you don’t need the motor running continuous, you can increase the current to higher the torque. But be
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
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minded that the current can not be 1.5times over than the rated current.
4.2 The setting of pulse per revolution
Stepping
count/revolution
SW5
SW6
SW7
SW8
Remarks
200
on
on
on
on
Other Subdivision can be custom-made
400
off
on
on
on
800
on
off
on
on
1600
off
off
on
on
3200
on
on
off
on
6400
off
on
off
on
12800
on
off
off
on
25600
off
off
off
on
1000
on
on
on
off
2000
off
on
on
off
4000
on
off
on
off
5000
off
off
on
off
8000
on
on
off
off
10000
off
on
off
off
20000
on
off
off
Off
25000
off
off
off
off
DIP SW5, SW6, SW7, SW8 are used to set the number of pulses required per revolution of the motor.
Motor speed = command pulse frequency / per revolution pulse
Motor stroke = number of command pulses / pulse per revolution
4.3 Half / full flow selection
DIP SW4 is used to set the quiescent current value when the motor stops.
Off means that when the drive power-on pulse stops, the driver switches the current output to the motor to half
of the rotation (half-flow);
On indicates that the drive maintains the same current output as the rotation to the motor (full flow) when the
drive power-on pulse is stopped. In general use, SW4 should be set to off, so that the heat generated by the
motor and the driver is reduced, and the reliability is improved.
5. Drive working status LED indication
LED status
Drive status
Green indicator is on for long time
Drive not enabled
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