GSK218M CNC System Connection and PLC Manual
84
Note:
1. MPG interrupt cannot be used in MPG feed mode.
2. MPG interruption is disabled when the machine tool is locked or interlocked.
4 Reference Point Return
4.1 Manual reference point return
General In manual reference point return mode, the machine tool move in the specified
direction by setting the position parameter N0：7#3~#7 to execute the reference point
return. The selected axis on the panel reports the axis to execute the machine zero
return, which is not related to the move direction of axis.
The following signals are related to the manual reference point return:
Manual reference point return
Selection of reference point return MREF
Reference point return deceleration signal DECX,DECY,DECZ,DECA
Reference point return completion signal ZP1,P2, ,ZP3,ZP4
Creating reference point signal ZRF1,ZRF2,ZRF3,ZRF4
Signal Manual reference point return selection check signal
MREF（F004＃5）
［Classfication］ Output signal
［Function］ The signal indicates the manual reference point return had been
selected once.
［Output conditions］ When the signal becomes 1 :
* The manual reference point return had been selected.
When the signal becomes 0:
* The selection of manual reference point return has terminated.
Reference point return end signals
ZP1～ZP4(F016＃0~F016＃3)
［Classfication］ Output signal
［Function］ These signals report that the machine tool is at the reference point on a
controlled axis.
These signals correspond separately to all axes.
ZP1 No. X axis reference point return end signal.
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