Mitsubishi QD75P1N - List of Dedicated Instructions; Interlock During Dedicated Instruction Is Executed

14 - 2
MELSEC-Q
14 DEDICATED INSTRUCTIONS
14.1 List of dedicated instructions
The dedicated instructions explained in this Chapter are listed in Table 14.1.
Table 14.1 List of dedicated instructions
Application
Dedicated
instruction
Outline of functions Reference
Z.ABRST1
Z.ABRST2
Z.ABRST3
Absolute position restoration
Z.ABRST4
This function restores the absolute position of the designated
axis of the QD75.
Section 14.3
ZP.PSTRT1
ZP.PSTRT2
ZP.PSTRT3
Positioning start
ZP.PSTRT4
This function starts the positioning control of the designated
axis of the QD75.
Section 14.4
ZP.TEACH1
ZP.TEACH2
ZP.TEACH3
Teaching
ZP.TEACH4
This function carries out teaching the designated axis of the
QD75.
Section 14.5
Writing to flash ROM ZP.PFWRT
This function writes the buffer memory parameters,
positioning data and block start data to the flash ROM.
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).
Section 14.7
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.
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