Home > Products > Closed Loop Steppers Motors & Drivers > Closed Loop Stepper Driver
Our CL57R is a closed-loop stepper drive product based on the RS485 Modbus that supports the Modbus RTU protocol. This product integrates a single-axis controller function and uses the standard Modbus RTU bus communication protocol for control. It can mount a maximum of 32 axes and can realize multi-axis bus synchronous control. The driver has position control, speed control, 16-segment internal position and 16-segment Internal speed control, support for zero return, absolute/relative positioning, JOG and other functions, can be directly controlled using a touch screen or a controller with an RS485 interface.
1.Features
● Supports standard Modbus RTU protocol on RS485 bus；
● No loss of step, accurate positioning；
● The current size is intelligently adjusted according to the load to adapt to various mechanical load conditions；
● Built-in acceleration, deceleration and smoothing filter control for smoother operation；
● User-defined segments；
● Supports position, speed, zero return, JOG, multi-stage position, multi-stage speed and other modes；
● 7 input ports, 3 output port functions all programmable and configurable；
● Voltage range : DC+24V~48V；
● With over-current, over-voltage, position tolerance and other protections；
2.Typical Application
Suitable for various small and medium-sized automation equipment and instruments, such as industrial robots, textile machinery, special industrial sewing machines, wire stripping machines, marking machines, cutting machines, laser phototypesetting, plotters, CNC machine tools, engraving machines, automatic assembly equipment, etc. The application effect is particularly good in equipment where users expect low noise and high speed.
3.Electrical Indicators
Power supply |
DC24~48V, recommended power supply DC36V |
Output current |
Peak 6.0A (current changes with load) |
DI input current |
10~50mA |
DI input voltage |
+24VDC |
Communication type |
RS485 |
Maximum communication rate |
115200bps |
4.Environment Parameter
Cooling method |
Natural cooling or external radiator |
|
Usage environment |
Use occasions |
Try to avoid dust, oil and corrosive gases |
Temperature |
0~40℃ |
|
Humidity |
40~90%RH |
|
Vibration |
5.9m/s²Max |
|
Storage temperature |
-20℃~80℃ |
|
5.Power input port
Terminal number |
Symbol |
Name |
Illustrate |
1 |
+Vdc |
DC power supply positive terminal |
DC+24V~48V Recommended DC+36V power supply |
2 |
GND |
DC power ground |
6.Motor port
Pin |
Symbol |
Description |
1 |
A+ |
A phase motor winding + |
2 |
A- |
A phase motor winding- |
3 |
B+ |
B phase motor winding + |
4 |
B- |
B phase motor winding - |
7.RS485 communication port
Pin |
Signal definition |
Network cable color |
1 |
RS485+ |
white and orange |
2 |
RS485- |
wrange |
3 |
NC |
white and green |
4 |
NC |
blue |
5 |
GND |
white and blue |
6 |
GND |
green |
7 |
NC |
white and brown |
8 |
NC |
brown |
8.Encoder port
Pin |
Definition |
Illustrate |
1 |
SHIELD |
Encoder shield |
2 |
NC |
RS485- |
3 |
NC |
|
4 |
NC |
|
5 |
EVCC |
Encoder power supply positive terminal |
6 |
EGND |
Encoder power supply negative terminal |
7 |
NC |
|
8 |
NC |
|
9 |
EB+ |
|
10 |
EB- |
|
11 |
EA+ |
|
12 |
EA- |
|
9.DI/DO port
Terminal number |
Symbol definition |
Illustrate |
1 |
DI0 |
Single-ended input port: valid working voltage 24V |
2 |
DI1 |
|
3 |
DI2 |
|
4 |
DI3 |
|
5 |
DI4 |
|
6 |
DI5 |
|
7 |
DI6 |
|
8 |
DICOM |
Input port common port: compatible with common anode and common cathode connection method |
9 |
DO0 |
Single-ended output port |
10 |
DO1 |
|
11 |
DO2 |
|
12 |
DOCOM |
Output port common port: negative pole of power supply |
10.Status indication
PWR: Power Indicator. When power is on, the green indicator light is always on.
ALM: Fault indicator. The red light flashes once within 3 seconds, over current or phase-to-phase short circuit fault ; The red light flashes 2 times continuously within 3 seconds, over voltage fault; The red light flashes 7 times continuously within 3 seconds, the position error exceeds the tolerance alarm.
11.DIP switch setting
CL57R uses a 5-digit DIP switch to set the driver station number and a 2-digit DIP switch to set the communication baud rate.
SW1~SW5: driver station number setting. SW6~SW7: driver communication baud rate. The slave station number and communication baud rate need to be powered on again to take effect after being modified.
Slave station number |
SW1 |
SW2 |
SW3 |
SW4 |
SW5 |
Default |
ON |
ON |
ON |
ON |
ON |
1 |
OFF |
ON |
ON |
ON |
ON |
2 |
ON |
OFF |
ON |
ON |
ON |
3 |
OFF |
OFF |
ON |
ON |
ON |
4 |
ON |
ON |
OFF |
ON |
ON |
5 |
OFF |
ON |
OFF |
ON |
ON |
6 |
ON |
OFF |
OFF |
ON |
ON |
7 |
OFF |
OFF |
OFF |
ON |
ON |
8 |
ON |
ON |
ON |
OFF |
ON |
9 |
OFF |
ON |
ON |
OFF |
ON |
10 |
ON |
OFF |
ON |
OFF |
ON |
11 |
OFF |
OFF |
ON |
OFF |
ON |
12 |
ON |
ON |
OFF |
OFF |
ON |
13 |
OFF |
ON |
OFF |
OFF |
ON |
14 |
ON |
OFF |
OFF |
OFF |
ON |
15 |
OFF |
OFF |
OFF |
OFF |
ON |
16 |
ON |
ON |
ON |
ON |
OFF |
17 |
OFF |
ON |
ON |
ON |
OFF |
18 |
ON |
OFF |
ON |
ON |
OFF |
19 |
OFF |
OFF |
ON |
ON |
OFF |
20 |
ON |
ON |
OFF |
ON |
OFF |
21 |
OFF |
ON |
OFF |
ON |
OFF |
22 |
ON |
OFF |
OFF |
ON |
OFF |
23 |
OFF |
OFF |
OFF |
ON |
OFF |
24 |
ON |
ON |
ON |
OFF |
OFF |
25 |
OFF |
ON |
ON |
OFF |
OFF |
26 |
ON |
OFF |
ON |
OFF |
OFF |
27 |
OFF |
OFF |
ON |
OFF |
OFF |
28 |
ON |
ON |
OFF |
OFF |
OFF |
29 |
OFF |
ON |
OFF |
OFF |
OFF |
30 |
ON |
OFF |
OFF |
OFF |
OFF |
31 |
OFF |
OFF |
OFF |
OFF |
OFF |
Note: When setting the slave station number in the default file, you can define the slave station number by setting the custom driver slave station off number register (0x0020), ranging from 1 to 31.
Communication baud rate |
SW6 |
SW7 |
9600 |
ON |
ON |
19200 |
OFF |
ON |
38400 |
ON |
OFF |
115200 |
OFF |
OFF |
Note: When the communication baud rate is set to 9600bp s, the serial port data format is fixed to 8 data bits, no parity, and 1 stop bit. When set to the other three baud rates, the serial port data format is determined by the serial port data format register (0x0021).
SW8: RS485 terminal resistor. The driver at the end of the bus needs to set this DIP switch to ON, and the other drivers to OFF.
12.Overall Dimensions(unit=mm)
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