Allen-Bradley ControlLogix 1756 - Entering the LEG Block

Publication 1756-RM084F-EN-P - July 2002
7-18 Entering Sequential Function Chart Logic
Where:
Entering the LEG block
The leg block identifies a leg of a branch. Legs follow this format:
LEG (
ID := <
unique_identifier >,
Force := <FALSE>)
END_LEG
Where:
Item: Identifies:
ID
the branch identifier. This ID uniquely identifies this branch from all other blocks. Enter an
unsigned, 32-bit integer value.
Specify:
ID := number
Y
y-coordinate on internal grid. Enter an unsigned, 32-bit integer value.
Specify:
Y := number
BranchType
the type of branch. Enter Simultaneous or Selection.
Specify:
BranchType := text
BranchFlow
the direction of the branch. Enter Converge or Diverge.
Specify: BranchFlow := text
Priority
whether the priority of a divergent selection branch is defined by the user. This attribute
only applies to divergent selection branches. Enter Default or UserDefined.
Specify:
Priority := text
LEG_block
the individual legs of the branch. Enter one leg block for each leg of the branch.
see page 7-18
Item: Identifies:
ID
the leg identifier. This ID uniquely identifies this leg from all other blocks. Enter an
unsigned, 32-bit integer value.
Specify:
ID := number
Force
whether the leg is forced or not. You can only force a leg in a simultaneous branch. Either
omit this attribute (for no forces) or enter FALSE to force the leg false.
Specify:
Force := text