Mitsubishi Electronics AJ65BT-D75P2-S3 Benutzerhandbuch

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MELSEC-A

12 CONTROL AUXILIARY FUNCTIONS

(2) Precaution during control

(a) 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.

(b) A warning "deceleration and stop speed change" (warning code: 500)

occurs and the speed cannot be changed in the following cases.
(The value set to "Positioning operation speed override (RWwm+1,
RWwm+9)" is made valid after a deceleration stop.



During deceleration by a stop command



During automatic deceleration during positioning control

is set in the reference axis.

(3) Setting the override function

The following shows the data settings and sequence program example for setting
the override value of axis 1 to "200%".

(a) Set the following data. (Use the start time chart shown in section (2) below

as a reference, and set using the sequence program shown in section (3).)

Setting item

Setting

value

Setting details

Remote register

Axis 1

Axis 2

Positioning operation speed
override

200

Set the new speed as a percentage (%).

RWwm+1 RWwm+9

* Refer to section "3.5 Remote registers" for details on the setting details.

(b) The following shows a time chart for changing the speed using the override

function.

Positioning operation
speed override

Dwell time

200

BUSY signal

Error detection signal

Remote station READY signal

Positioning start signal

Positioning complete signal

D75P2 READY signal

Start complete signal

[RY(n+1)0]

[RX(n+7)B]

[RXn0]

[RXn1]

[RXn4]

[RXn7]

[RXnA]

[RWwm+1, RWwm+9]

Fig. 12.28 Time chart for changing the speed using the override function