MOCHUAN MV series PLC ChaseCut Instruction Demo

MOCHUAN MV series PLC Chasecut Instruction introdution

1. CHASECUT

CHASECUT Dn  

Dn：  Synchronous zone flag (fixed point: 0 non-synchronous zone, 1 synchronous zone)

Dn+2：  Alarm flag (fixed point: 0 no alarm, 1 alarm)

Dn+4：  Trimming completion flag (fixed point: 1 Trimming completed, automatically cleared at start-up)

//The following data are floating point

Dn+10：  Theoretical speed from axis (floating point: mm/s)

Dn+12：  Theoretical position from axis (floating point: mm)

Dn+14：  Movement of the spindle at the moment of reaching the synchronisation point (floating point: mm)

Dn+20：  Spindle speed (floating point: mm/s)

Dn+22：  Spindle position (floating point: mm)

Dn+24：  Slave axis acceleration distance (floating point: mm): at this point the spindle travels 1.875 times the distance of the slave axis

Dn+26：  Slave axis synchronisation distance (floating point: mm)

Dn+28 Slave axis deceleration distance (floating point: mm): at this point the spindle travels 1.875 times the distance of the slave axis

Dn+30：  Cam start offset spindle distance (mm)

Dn+40：  Closed loop, from axis number (fixed point: 0 to 10, to be set when adding displacement) (double word)

Dn+42：  Closed loop, mode (fixed point: 0 no closed loop; 1 self-closed loop; 2 externally closed loop) (double word)

Dn+44：  Closed loop, adjustment percentage (fixed point: 1 to 100%, other values default to 100%) (spindle speed not available at 100%) (double word)

Dn+46：  Closed loop, from axis position value (floating point) (mm) 

*The slave position should be provided before the condition is switched on

2. Frequency-convertible pulses

PLSV  Pulse frequency    Parameter address  Yn

3. Frequency measurement

SPD   Number of operations1  Number of operations2  Number of operations3  Number of operations4

Number of operations1：Input terminal Xn

Number of operations2: time ms（double word）

Number of operations3：Precision，Constants K1; K10;  K100;  K1000（double words）

Number of operations4：Measured values（double words）

Only the pulses entered for operand 1 are counted within operand 2 x 1 ms time.

The measured value is saved to operand 4;

The current value is saved to operand 4+2;

Remaining time is saved to operand 4+4 (ms);

Repeat this operation to obtain the pulse density (i.e. the value proportional to the speed) in the measured value operand 3.

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