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2022
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About servo motors
First, the acceleration setting inside the high Chuang drive is too low, resulting in J1 alarm
If the acceleration setting inside the high drive is too low, and the command pulse acceleration of the PLC is too high, the servo motor command deviation is too large, and the servo drive J1 position error exceeds the alarm.
Second, the leakage of the drive and servo motor causes the circuit breaker to trip
Solution: Ground the driver grounding terminal reliably
Third, the third party servo drive and Siemens PLC Profinet I/O Communication
1, ABB's E180 and E190 series servo drives can support Profinet I/O communication with Siemens PLC. The driver comes standard with single-axis motion control and various communication protocols: EtherCAT, PowerLINK, Profinet I/O, Modbus TCP, Ethernet IP.
2, only the Profinet of Siemens servo drive is a full-mode (such as multi-axis linkage, interpolation) control bus, and other third-party servo drives (including ABB) are Profinet I/O communication with Siemens PLC, except for not linkage and interpolation, other functions are the same.
Four, the pulse direction signal of high innovation servo driver requirements for PLC output signal
The high drive requires the PLC pulse direction signal to be NPN output
1, Delta, Panasonic, Mitsubishi and other PLC pulse direction signal is generally NPN output, can be used directly
2, Siemens PLC pulse direction signal is generally PNP output, need to use PNP to NPN signal conversion module.
Five, Coley servo driver pulse direction signal for PLC output signal requirements
1, Copley driver requires PLC pulse, direction signal is PNP output
2, Siemens PLC is the output of PNP, can be used directly
3, Delta, Panasonic, Mitsubishi and other Japanese PLC are generally NPN output, need to use signal conversion module. Similar to the figure above, replace the output with “ NPN to PNP”
Six, KECM servo motor control accuracy can reach how much?
1, high innovation drive analytical rotation feedback, a turn count 65536, limited by servo gain adjustment, mechanical system rigidity, motor and encoder manufacturing accuracy, the actual control accuracy of the motor is better than 10 arc minutes
2, 17-bit absolute encoder precision is 17 bits per turn, feedback is 131072 counts per turn, limited by servo gain adjustment, mechanical system rigidity, motor and encoder manufacturing accuracy and other factors, the actual control accuracy of the motor is better than 10 arc minutes
Seven, 48VDC coil servo motor can use 24VDC power supply?
1, Convert 24V to 48V with DC/DC power conversion module
2, You can also directly use 24V power supply, but the motor speed is only 50% of the rated value, as long as the output current of the driver reaches the rated current of the motor, the output torque of the motor will not be attenuated.
Eight, how far is the longest distance between the servo motor and the drive?
The distance between the motor and the drive is generally limited to 20 meters. It is not recommended that the cable be interchanged.
1, If a longer distance is needed, the cable shielding should be handled well, and the necessary anti-interference measures should be adopted, such as the isolation transformer at the main power input of the servo driver, the driver grounding, and the magnetic ring of the power cable.
2, If the cable needs to be interchanged, the shielding layer of the feedback cable must be properly handled to prevent electromagnetic interference.
Servo motor
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Chengdu Kingshili Technology Co., Ltd.
East China: +8618224448086 Mr. Wang (WeChat with the same number)
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