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Trigger stall protection

and display Err22

During the soft startup time, the stall protection function does not intervene.

Make sure that the set speed is not lower than the set minimum speed,

otherwise the stall protection will be triggered.

There is no stall protection function under the open-loop control of the motor.

5.7 Motor Stall Protection

Saturated Remote SpeedA SpeedB Stop

Digital Single Phase Asynchronous

Motor Controller

Voltage V

On Delay s

Soft Start s

Delay s

SDMC20-S

The controller has the function of motor stall protection. When the controller

has output and detects that the motor stalls for 3 seconds, it will start the stall

protection and stop the controller output, and report Err22 , until the fault is

eliminated, press on/off button again to resume motor start.

The user can limit the possibility of the motor to be stalled by setting the

minimum speed of the motor, such as the current setting speed of the motor is

150, the minimum speed is set to 70. When the motor is overloaded and the

speed is lower than 70, it will trigger stall protection.

8 Long press and ▲

simultaneously to enter the

advanced parameter interface.

8Short press ▲ or ▼ to switch to

motor minimum speed parameter

"SS" .

8Press or to adjust the

parameter value.

8When the motor speed is lower

than the set minimum speed

value, the stall protection is

triggered, and the LED displays

Err22, the controller stops output.

8After eliminating the stall fault,

press again to restore the

output.

SDMC20-S

SDMC20_SMS-EN_2.01

Digital Single Phase Asynchronous Motor Controller

2023-11

Brand	CUH
Model	SDMC20-S
Category	Controller
Language	English

CUH SDMC20-S User Manual

Table of Contents

Questions and Answers:

CUH SDMC20-S Specifications

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