Spindle speed analog voltage control of GSK980TDb Spindle speed is controlled by analog voltage when No.001 BIT4 is set to 1. Command format: analog voltage control Command function: the spindle speed is defined, and the system outputs 0～10V analog voltage to control spindle servo or converter to realize the stepless timing. S command value is not reserved, and it is 0 after the system is switched on. When the spindle speed analog voltage control is valid, there are 2 methods to input the spindle speed: the spindle fixed speed is defined by S command( r/min), and is invariant without changing S command value, which is called constant speed control(G97 modal); other is the tangent speed of tool relative to the outer circle of workpiece defined by S command, which is called constant surface speed control (G96 modal), and the spindle speed is changed along with the absolute coordinates value of X absolute coordinates in programming path when cutting feed is executed in the constant surface speed. The system can execute 4 gears spindle speed. Count the analog voltage value corresponding to the specified speed according to setting value(corresponding to No.037～No.040) of max. spindle speed (analog voltage is 10V)of current gear, and then output to spindle servo or converter to ensure that the spindle actual speed and the requirement are the same. After the system is switched on, the analog output voltage is 0V. The analog output voltage is reserved (except that the system is in cutting feed in the surface speed control mode and the absolute value of X absolute coordinates is changed) after S command is executed. The analog output voltage is 0V after S0 is executed. The analog output voltage is reserved when the system resets and emergently stops. Parameters relative to the analog voltage control of spindle speed: System parameter No.021: offset value of output voltage with max. spindle speed (the analog output voltage is 10V); System parameter No.036: offset value of output voltage with spindle speed 0 (the analog output voltage is 10V); System parameter No.037～No.040: max. spindle speed (the analog output voltage is 10V) with spindle 1～4 gears(corresponding to M41～M44). Full User Manual Download |
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