Mitsubishi Electric MELSEC-L LD75D, User Manual

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CHAPTER 14 DEDICATED INSTRUCTIONS
14
14.
1
List
of
Dedic
at
ed
Ins
truc
tions
CHAPTER 14
DEDICATED INSTRUCTIONS
14.1
List of Dedicated Instructions
The dedicated instructions explained in this Chapter are listed in the following table.
14.2
Interlock During Dedicated Instruction Is Executed
The absolute position restoration instruction (Z.ABRST  ), positioning start instruction (ZP.PSTRT  ) and teaching
instruction (ZP.TEACH  ) cannot be executed simultaneously in each axis. If they are executed at the same time, the
second and later instructions are ignored by an internal interlock (no error will occur).
The timing of the positioning start dedicated instruction (ZP.PSTRT
 ) is as shown below.
Application
Dedicated
instruction
Outline of functions Reference
Absolute position
restoration
Z.ABRST1
This function restores the absolute position of the designated axis of the
LD75.
Page 620, Section 14.3
Z.ABRST2
Z.ABRST3
Z.ABRST4
Positioning start
ZP.PSTRT1
This function starts the positioning control of the designated axis of the
LD75.
Page 625, Section 14.4
ZP.PSTRT2
ZP.PSTRT3
ZP.PSTRT4
Teaching
ZP.TEACH1
This function carries out teaching the designated axis of the LD75. Page 629, Section 14.5
ZP.TEACH2
ZP.TEACH3
ZP.TEACH4
Writing to flash ROM ZP.PFWRT
This function writes the buffer memory parameters, positioning data and
block start data to the flash ROM.
Page 633, Section 14.6
Parameter initialization ZP.PINIT
This function initializes the buffer memory and flash ROM setting data to the
factory-set data (initial values).
Page 637, Section 14.7
ZP.PSTRT instruction ON
Interlock provided by CPU module
BUSY (XC to XF)
Positioning completed (X14 to X17)
OFF
OFF
OFF
OFF
ON
ON
ON
ON