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2 MOTION DEDICATED PLC INSTRUCTION
2.2 Motion Dedicated PLC Instruction
2.2 Motion Dedicated PLC Instruction
The Motion dedicated PLC instruction that can be executed toward the Motion CPU is shown below.
Instruction Description Reference
M(P).□ D(P).□
M(P).SFCS D(P).SFCS Start request of the specified Motion SFC program Page 31 Motion SFC start request from
the PLC CPU to the Motion CPU: M(P).SFCS/
D(P).SFCS
M(P).SVST D(P).SVST Start request of the specified servo program Page 34 Servo program start request from
the PLC CPU to the Motion CPU: M(P).SVST/
D(P).SVST
M(P).SVSTD D(P).SVSTD Direct positioning start request Page 39 Direct positioning start instruction
from the PLC CPU to the Motion CPU:
M(P).SVSTD/D(P).SVSTD
M(P).CHGA D(P).CHGA Current value change request of the specified axis Page 51 Current value change instruction
from the PLC CPU to the Motion CPU:
M(P).CHGA/D(P).CHGA
M(P).CHGAS D(P).CHGAS Current value change request of the specified command generation axis Page 55 Current value change instruction
of command generation axis from the PLC
CPU to the Motion CPU: M(P).CHGAS/
D(P).CHGAS
M(P).CHGV D(P).CHGV Speed change request of the specified axis Page 59 Speed change instruction from
the PLC CPU to the Motion CPU: M(P).CHGV/
D(P).CHGV
M(P).CHGVS D(P).CHGVS Speed change request of the specified command generation axis Page 64 Speed change instruction of
command generation axis from the PLC CPU
to the Motion CPU: M(P).CHGVS/
D(P).CHGVS
M(P).CHGT D(P).CHGT Torque control value change request of the specified axis Page 69 Torque limit value change request
instruction from the PLC CPU to the Motion
CPU: M(P).CHGT/D(P).CHGT
M(P).MCNST D(P).MCNST Start request of machine program operation Page 72 Machine program operation start
request from the PLC CPU to the Motion CPU:
M(P).MCNST/D(P).MCNST
M(P).DDWR D(P).DDWR Write device data of the self CPU to the device of another Motion CPU MELSEC iQ-R Programming Manual
(Instructions, Standard Functions/Function
Blocks)
M(P).DDRD D(P).DDRD Read device data of another Motion CPU to the device of self CPU
M(P).BITWR D(P).BITWR Write bit operation to the bit device of another Motion CPU Page 76 Write bit device to the Motion
CPU: M(P).BITWR/D(P).BITWR
M(P).GINT D(P).GINT Execute request of an event task of Motion SFC program Page 79 Interrupt instruction to the other
CPU: M(P).GINT/D(P).GINT
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