Bfm Device Read/ Write Instruction - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

■16-bit/32-bit data absolute positioning
Instruction symbol Description
DRVA • When FX3 compatible operand is specified
Specifies the travel distance from the reference position, speed and performs pulse output with the
DDRVA
specified device (Y).
• When FX5 operand is specified
Specifies the travel distance from the reference position, speed and performs pulse output with the
specified axis number.
Positioning module
■Restoring the absolute position
Instruction symbol Description
G.ABRST1 Restores the absolute position of specified axis.
G.ABRST2
■Starting the positioning
Instruction symbol Description
GP.PSTRT1 Starts positioning of the specified axis.
GP.PSTRT2
■Teaching
Instruction symbol Description
GP.TEACH1 Performs teaching for the specified axis.
GP.TEACH2
■Backing up module data (writing data to the flash ROM)
Instruction symbol Description
GP.PFWRT Writes the positioning data and block start data in the buffer memory to the flash ROM.
■Initializing the module
Instruction symbol Description
GP.PINIT Initializes the setting data in the buffer memory and flash ROM.
4.6

BFM Device Read/ Write Instruction

Divided BFM Read
Instruction symbol Description
RBFM Divides and reads data from the continuous buffer memory in the intelligent module.
(This instruction cannot be used with the FX5 intelligent module.)
Divided BFM Write
Instruction symbol Description
WBFM Divides and writes data to the continuous buffer memory in the intelligent module.
(This instruction cannot be used with the FX5 intelligent module.)
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4 MODULE SPECIFIC INSTRUCTION
4.6 BFM Device Read/ Write Instruction
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