ABB distributed control system PM825 3BSE010796R1 embedded card communication

Brand ABB color Standard Application Industrial height 325mm rated current 590mA
Protection level IP45 ADAPTS to motor power 106KW Application Site Power Industry BOM Number GJR2391500R1220 Power industry HIEE401782R0001 Part Number PM825 3BSE010796R1
Applicable pipe 2 Whether imported is weighing 5.18 kg can be sold nationwide

ABB distributed control system PM825 3BSE010796R1 embedded card communication

1. Initialize parameters Initialize parameters before connecting cables. On the control card: select the control mode; Clear PID parameters to zero; Turn off the enable signal by default when the control card is powered on. Save this state to ensure that it is in this state when the controller card is powered on again. On the servo motor: set the control mode; Settings enable external control; Gear ratio of encoder signal output; Set the proportional relationship between the control signal and the motor speed. In general, it is recommended that the maximum design speed in the servo operation corresponds to the control voltage of 9V. For example, Panasonic is set 1V voltage corresponding to the speed, the factory value is 500, if you are only ready to let the motor work below 1000 RPM, then set this parameter to 111.

2, wiring will power off the control card, connect the signal line between the control card and the servo. The following lines must be connected: the analog output line of the control card, the enable signal line, the encoder signal line of the servo output. After checking that the wiring is correct, the motor and control card (and PC) are powered on. At this time, the motor should not move, and can be easily rotated with external force, if not, check the setting and wiring of the enable signal. Turn the motor with an external force, check whether the control card can correctly detect the change in the position of the motor, otherwise check the wiring and setting of the encoder signal.

3, test direction for a closed-loop control system, if the direction of the feedback signal is not correct, the consequences are certainly disastrous. Turn on the enable signal of the servo via the control card. This is where the servo should turn at a lower speed, which is the legendary “zero drift”. Generally, there will be instructions or parameters on the control card to suppress zero drift. Use this command or parameter to see if the speed and direction of the motor can be controlled by this command (parameter). If it cannot be controlled, check the parameter Settings of analog wiring and control mode. Confirm that the positive number is given, the motor is turning forward, and the encoder count is increased; Give a negative number,

Motor reverse rotation, encoder count reduced. If the motor has a load and limited travel, do not use this method. Do not give too much voltage to the test, it is recommended to be below 1V. If the direction is not consistent, you can modify the parameters on the control card or the motor to make them consistent.

4, inhibit zero drift In the closed-loop control process, the existence of zero drift will have a certain impact on the control effect, it is best to suppress it. Using the control card or the parameters on the servo to suppress zero drift, carefully adjust the speed of the motor to approach zero. Since the zero drift itself also has a certain randomness, it is not necessary to require the motor speed to be absolutely zero.

5, establish a closed-loop control again through the control card to release the servo enable signal, input a small proportional gain on the control card, as for how small, this can only be felt, if it is really not assured, enter the control card can allow the minimum value. Turn on the enable signals for the control card and the servo. At this time, the motor should have been able to make a rough motion according to the motion instructions.

6, adjust the closed-loop parameters fine-tune the control parameters to ensure that the motor moves according to the instructions of the control card

ABB distributed control system PM825 3BSE010796R1 embedded card communication

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