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MELSEC-Q

 

6   PLC PROGRAM USED FOR POSITIONING CONTROL 

 

(3)  If the operation cannot be decelerated to a stop because the remaining 

distance is insufficient when "continuous operation interrupt request" is 
executed with continuous path control, the interruption of the continuous 
operation will be postponed until the positioning data shown below. 

 

 

•

  Positioning data No. have sufficient remaining distance 

 

•

  Positioning data No. for positioning complete (pattern: 00) 

 

•

  Positioning data No. for continuous positioning control (pattern: 01) 

 

Start

V

t

Stop process when operation cannot stop 
at positioning data No. 10

Positioninig data No. 10

Positioning data No. 11

Positioning data No. 12

Continuous operation
 interrupt request

Even when the continuous operation interrupt is requested, 
the remaining distance is insufficient, and thus, the 
operation cannot stop at the positioning No. being executed.

 

 

(4)  When operation is not performed (BUSY signal [XC, XD, XE, XF] is OFF), the 

interrupt request during continuous operation is not accepted. It is cleared to 0 
at a start or restart. 

 

[3]   Control data requiring settings 

Set the following data to interrupt continuous operation. 

 

Buffer memory address 

Setting item 

Setting 

value 

Setting details 

Axis 1  Axis 2  Axis 3  Axis 4 

Cd.18

 

Interrupt request during 
continuous operation 

1 

Set "1: Interrupt request during continuous 
operation". 

1520 1620 1720 1820 

 

  Refer to Section 5.7 "List of control data" for details on the setting details.