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MELSEC-
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8 ZERO POINT RETURN CONTROL
Start time chart
Zero point absolute position underflow flag
[
RX(n+2)4
]
Zero point absolute position overflow flag
[
RX(n+2)3
]
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
100
OFF
OFF
V
t
ON
OFF
Positioning start signal
Remote station READY
signal
D75P2 READY signal
Start complete signal
BUSY signal
Error detection signal
Positioning start No.
[RX(n+7)B]
[RXn0]
[RY(n+1)0]
[RXn4]
[RXnA]
[RWwm]
[RXn1]
Fig. 8.18 Start time chart for positioning to the zero point