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MELSEC-Q

9   MAJOR POSITIONING CONTROL

 Operation chart

The following chart (Fig.9.16) shows the operation timing for speed-position

switching control (ABS mode). The "in speed control flag" (

Md.31

Status: b0) is

turned ON during speed control of speed-position switching control (ABS mode).

t

V

Positioning start signal

OFF

ON

BUSY signal

OFF

ON

Positioning complete signal

OFF

ON

Speed-position switching signal

ON

Speed control  Position control

Dwell time

In speed control flag
Md. 31  Status: b0

Cd. 24 Speed-position
switching enable flag

Da. 8 Command speed

OFF

OFF

OFF

ON

ON

[Y10,Y11,Y12,Y13]

[XC,XD,XE,XF]

[X14,X15,X16,X17]

Address set in " Da. 6 

Positioning address/movement

amount"

Fig. 9.16 Speed-position switching control (ABS mode) operation timing