Condition Start - Mitsubishi Electric MELSEC-L LD75P User Manual

Positioning module

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Condition start

In a "condition start", the "condition data" conditional judgment designated in "[Da.14] Parameter" is carried out for the

positioning data set in "[Da.12] Start data No.". If the conditions have been established, the " block start data" set in "1:

condition start" is executed. If the conditions have not been established, that " block start data" will be ignored, and the

"block start data" of the next point will be executed.

Section (2) shows a control example where the " block start data" and "positioning data" are set as shown in section

(1) Setting examples

(a) Block start data setting example

Axis 1 block start data

The "condition data Nos." have been set in "[Da.14] Parameter".

(b) Positioning data setting example

(2) Control examples

The following shows the control executed when the "block start data" of the 1st point of axis 1 is set as shown in

section (1) and started.

The conditional judgment set in "condition data No. 1" is carried out before execution of the axis 1

"positioning data No. 1".

• Conditions established  Execute positioning data No. 1, 2, and 3  Go to "2".

• Conditions not established  Go to "2".

The conditional judgment set in "condition data No. 2" is carried out before execution of the axis 1

"positioning data No. 10".

• Conditions established  Execute positioning data No. 10, 11, and 12. Go to "3".

• Conditions not established  Go to "3".

Execute axis 1 "positioning data No. 50" and stop the control.

Axis 1 positioning data No.

Start data No.

Special start instruction

1: Condition start

0: Block start

[Da.1] Operation pattern

01: Continuous positioning control

00: Positioning complete

11: Continuous path control

00: Positioning complete

Melsec-l ld75d