6 - 14
MELSEC-A
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
No.8 Servo ON/OFF program
No.5 External start function valid setting program
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<External start valid write>
<External start invalid write>
<CPU clock data read command ON>
<Clock data write command ON>
<Date, hour, minute second data transmission>
<Clock data writing set>
<Clock data write>
<Clock data wirite command hold>
<Clock data wiriting complete read>
<Clock data wirite command storage OFF>
<PLC READY signal ON/OFF>
<Machine zero point return (9001) write>
<AD75 status information read>
<Zero point return request flag ON/OFF extraction
<High-speed zero point return start enable>
<High-speed zero point return (9002) write>
<High-speed zero point return command hold>
No.6 Clock data setting program
No.7 PLC READY signal [Y1D] ON program
(The M27 contact is not required when the parameters are not be initialized.)
(The M29 contact is not required when not writing to the flash ROM.)
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No.9 Positioning start No. setting program
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(1) Machine zero point return
(2) High-speed zero point return
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(1) All axes servo ON/OFF program
(2) Axis 1 servo ON/OFF program
<Axis 1 servo ON command write>
<Axis 1 servo OFF command write>
<Servo ON signal OFF>
<Servo ON signal ON>
(Unnecessary when servo ON/OFF is not performed on an axis basis)
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