Mitsubishi Electronics QD75D, QD75P Cd.14, Function version Restarting speed Da.8 Command speed

12CONTROL SUB FUNCTIONS

[2]Precautions during control

MELSEC-Q

(1)Control is carried out as follows at the speed change during continuous path control.

a)When no speed designation (current speed) is provided in the next

positioning data:

The next positioning data is controlled at the " value".

Cd.14

New speed

b)When a speed designation is provided in the next positioning data:

The next positioning data is controlled at its command speed ( Da.8 ).

Cd. New speed value

Designated speed in P2 Designated speed in P1

Positioning control	Next control
P1	P2

[a] When no speed designation (current speed) is provided.

[b] When a speed designation is provided.

Speed change command

Fig. 12.23 Speed change during continuous path control

(2)When changing the speed during continuous path control, the speed change will be ignored if there is not enough distance remaining to carry out the change.

(3)When the stop command was given to make a stop after a speed change that had been made during position control, the restarting speed depends on the function version.

Function version		Restarting speed
A		Da.8	Command speed
B or later	Cd.14		New speed value

Refer to Section 2.4 for the way to check the function version.

V
		Da. 8	Command speed
Speed change		Cd. 14 New speed value
command	Restarting
	Stop command command
			t

Fig. 12.24 Restarting speed after speed change made during position control (Function version B)

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