Flying saw experiment system of PLC control system

A flying saw control system constructed, the purpose of the experiment with PLC controller. Second, YX - experimental equipment 80 series PLC controller training device, FX - 20 p hand-held programmer, or personal computer ( 窗口) , SC- 09 programming cables, FX - PCS/WIN programming environment control flying saw wires are a set of experimental board. Flying saw experiment board of the board of input and output terminals for a specially designed terminal and its function for, when the M1 to ON the output terminal, BV automatically generated pulse signal, measurement of motor speed optical encoder signal. When SQ1 given signal, Light emitting GuanLiang) Said allow flying saw cutting steel, SQS luminous GuanLiang said flying saw finished steel pipe cutting, flying saw is raised. For SQ2 luminous GuanLiang said steel tube jig is loose, SQ3 luminous GuanLiang said the car can be returned, hydraulic valve SYA action ( Light emitting GuanLiang) To make the car back. SQ4 bright said the car does not return, the system malfunction alarm signal, namely the corresponding alarm light emitting GuanLiang, the whole system appears to stop state. After troubleshooting, reboot the system, you must first press the reset button, restore the circuit from the locked state back to normal state. Solenoid valve 4 ya said hair light fixture pole, said ya luminous GuanLiang clamp holder, electromagnetic valve lYA luminous GuanLiang said under saws, 2 ya luminous GuanLiang said flying saw is raised. Motor M1 luminous GuanLiang said into steel, motor M2 luminous GuanLiang said flying saw rotation operation. Third, experiment content, control requirements (1 1) Initial state motor M1 and M2 to OFF, the electromagnetic valve 3 ya ya and 4 to OFF, jig in loosen condition, lYA and 2 ya to OFF, flying saw is in lift condition, hydraulic valve SYA to OFF, the car is in the original position. ( 2) Start operation press the start button and start the following: (1) motor M2 M1 operation after operation, namely the flying saw rotation and then into the steel pipe. (2) when the steel tube length to the expected requirements ( Such as 6 m) , electromagnetic valve 4 ya to ON, fixture clamping steel tube, to drive the car and run forward with flying saw. (3) when the small car run to the position of SQ1, SQ1 to ON, the electromagnetic valve lYA is OFF, the saw cutting steel, finished steel pipe cutting, SQS for ONo (4) when the car arrived at for SQ2 position, for SQ2 to ON, lYA to OFF at the same time, the 2 ya is ON flying saw is raised, then two ya to OFF o (5) when arrived at the position of SQ3, SQ3 to ON, electromagnetic valve 4 ya to OFF at the same time, three ya ON jig to loosen. At the same time hydraulic valve SYA to ON to make the car return to its original position, then 3 ya, SYA back to OFF. 6. If the car didn't return to continue to run forward, when arrived at SQ4 position, SQ4 to ON, indicates a problem with the system transmitting the alarm signal, and stop at the same time, the whole system under the current state. 7 if not run according to the control requirement, will send out alarm signal to stop running. For example 3 ya, 4 ya to ON at the same time, 4 ya, SYA to ON at the same time, S04 to ON, etc. ( 3) Stop operation after press the stop button, all the output of the uniform to OFF, stop the operation. 3, I/O port distribution table; 3, according to the above control requirements, system control program, debugging and running the program, programming practice according to the requirements of the below two kinds of control respectively control flying saw system control program, and debugging environment. (1) control requirements with 1, but increased the number of cutting steel tube statistics monthly. (2) using two dial the decoder input, as set by the external steel tube cutting length and quantity. (3) according to the steel pipe transmission speed fixed solenoid valve 4 ya to ON moment of action, to ensure the precision of cutting length of steel tube, programming. Tip: in the tube in the process of cutting, cutting the length of the pipe will produce error, the reason is because of the solenoid valve movement speed is certain, and the running speed of the motor M1 is variable, namely steel pipe transmission speed is uncertain, when the M1 running quickly must ensure that the electromagnetic valve 4 ya is ON a schedule, and M1 is running slow, 4 ya to ON should have a delay, so as to ensure the precision of cutting length of steel tube, reduce the error. To test this factor when programming.
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