STEP 5 Operations S5-115F Manual
DO operation
Table 3-25 and the example that follows explain the processing operation.
Table 3-25. DO Operation
Parameter Data
Type Type
Actual Operands Permitted
Operation MeaningOperand
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Formal operand
DB, PB, SB, FB
1
B
B= Process formal operand.
The substituted blocks are called unconditionally.
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1
As actual operands, function blocks cannot have block parameters.
Example:
:CDB 5
:L DW 2
:C DB 6
:T DW 1
:T QW 4
:JU FB 36
:BE
Program in Function Block FB35
:DO =D 5
:L =DW 2
:DO =D 6
:T =DW 1
:T =Q 4
:DO =MOT 5
:BE
STL
:JU FB 35
NAME :PROCES
D 5 : DB 5
DW 2 : DW 2
D 6 : DB 6
DW 1 : DW 1
Q 4 : QW 4
MOT 5 : FB 36
:BE
Function Block Call Executed Program
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