beautypg.com

Rockwell Automation 1772-LS_LSP,D17726.8.6 PROG/OPER MANUAL-MINI PLC-2/05 User Manual

Page 60

background image

Relay-type Instructions

Chapter 6

6Ć8

Removing a Branch Start or Branch End Instruction
You remove either a Branch Start or Branch End instruction or change an
instruction type by performing the following steps.

1.

Position the cursor over either the Branch Start or Branch End instruction.

2.

Press [REMOVE] [

] or [

].

Inserting a Branch Instruction in a Completed Rung
You insert either a Branch Start or Branch End instruction or change an
instruction type by performing the following steps.

1.

Position the cursor over the instruction immediately preceding the position
you want to insert a Branch Start instruction.

2.

Press [INSERT] [

].

Important: Once you press the Branch Start instruction, the statement
BRANCH END OMITTED appears in the lower lefthand corner of the screen.
It stays there until you enter a Branch End instruction.

3.

Insert the conditioning instructions for this rung.

4.

You must begin each set of parallel conditions or rung with a
Branch Start instruction.

Complete the set of parallel conditions by:

5.

Press [INSERT] [

].

Important: Once you press the Branch End instruction, the statement
BRANCH END OMITTED disappears.

Nesting

The following rung shows a nested branch.

00

010

00

110

10

110

12

110

110

11

110

13