Mitsubishi Electric MELSEC-L LD75P User Manual page 431

(3) Operation chart
The following chart shows the operation timing for speed-position switching control (INC mode).
The "in speed control flag" ([Md.31] Status: b0) is turned ON during speed control of speed-position switching
control (INC mode).
Da. 8 Command speed
Positioning start signal
[Y10,Y11,Y12,Y13]
BUSY signal
[XC,XD,XE,XF]
Positioning complete signal
[X14,X15,X16,X17]
Speed-position switching signal
Cd. 24 Speed-position
switching enable flag
In speed control flag
Md. 31 Status: b0
(a) [Operation example]
The following operation assumes that the speed-position switching signal is input at the position of the current
feed value of 90.00000 [degree] during execution of "[Da.2] Control system" "Forward run: speed/position" at
"[Pr.1] Unit setting" of "2: degree" and "[Pr.21] Current feed value during speed control" setting of "1: Update
current feed value". (The value set in "[Da.6] Positioning address/movement amount" is 270.00000 [degree])
0.00000
V
Speed control Position control
ON
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
Speed-position
0.00000
switching signal ON
90.00000
CHAPTER 9 MAJOR POSITIONING CONTROL
Movement amount set in " Da. 6
Positioning address/movement
amount"
t
Dwell time
ON
90.00000
90.00000+270.00000
=360.00000
=Stop at 0.00000 [degree]
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