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MELSEC-
A
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Device name Device Application Details when ON
Program example that
uses device
A Ad Q/QnA
Internal relay
M0 Initial setting flag Initial setting flag
M1 D75P2 data link status D75P2 data link error
M5
Master module initialization normal
completion
Master module initialization normal
completion
M6
Master module initialization
abnormal completion
Master module initialization
abnormal completion
M10 Read normal completion
Q (Q mode)/QnACPU RIRD
command normal completion
M11 Read abnormal completion
Q (Q mode)/QnACPU RIRD
command abnormal completion
M20 Write normal completion
Q (Q mode)/QnACPU RIWT
command normal completion
M21 Write abnormal completion
Q (Q mode)/QnACPU RIWT
command abnormal completion
M30 Read normal completion
ACPU/Q (A mode) RIRD command
normal completion
M31 Read abnormal completion
ACPU/Q (A mode) RIRD command
abnormal completion
M40 Write normal completion
ACPU/Q (A mode) RIWT command
normal completion
M41 Write abnormal completion
ACPU/Q (A mode) RIWT command
abnormal completion
M100 D75P2 normal D75P2 normal
M101 D75P2 initial setting complete flag D75P2 initial setting complete flag
M102 Servo ON execution pulse Servo ON executed
M103
High-speed zero point return
command storage
High-speed zero point return
command held
M104 Positioning start command pulse Positioning start commanded
M105 Positioning start command storage Positioning start command held
M106 In JOG flag In JOG flag
M107
Manual pulse generator operation
enable command
Requesting manual pulse generator
operation enable
M108
Manual pulse generator operation
disable command
Requesting manual pulse generator
operation disable
M109 Restart command flag Restart command flag
M110
Machine feed value read command
pulse
Machine feed value read
commanded
M111
Machine feed value read command
storage
Machine feed value read command
held
M112
Control data setting complete flag
(for read)
Control data setting complete flag
(for read)
M113 Access request done flag (for read) Access request done flag (for read)
M114
Speed limit value write command
pulse
Speed limit value write commanded
M115
Speed limit value write command
storage
Speed limit value write command
held
M116
Control data setting complete flag
(for write)
Control data setting complete flag
(for write)
M117 Access request done flag (for write) Access request done flag (for write)
M118 Stop command pulse Stop commanded
M119 Speed change command pulse Speed change commanded
M120 M code OFF request pulse M code OFF requested
Special relay
M9036 Normally ON Normally ON
M9052 SEG command change
SEG command is executed as I/O
area refresh