S5-115U Manual
Operations List
A
Operations List
A.1
Explanation of the Operations List
Abbreviation
Explanation
ACCUM 1
Accumulator 1 (When accumulator 1 is loaded, any existing contents are shifted into accumulator 2.)
Accumulator 2
ACCUM 2
CSF
STL
LAD
STEP 5 control system flowchart method of representation
STEP 5 statement list method of representation
STEP 5 ladder diagram method of representation
PII
Process image input
PIQ
Process image output
RLO
Result of logic operation
RLO affected?
Y/N
The RLO is affected/not affected
by the operation.
RLO dependent? Y
Y
/
N
The statement is executed only if the RLO is "1".
The statement is executed only on positive/negative edge change of the RLO.
The statement is always executed.
RLO reloaded?
Y
N
The RLO does not change. The RLO cannot be combined any further. When the next binary operation takes
place (but not assignment operation), the RLO is reloaded.
Depending on whether the operation affects the RLO, the RLO is combined further or left unchanged
according to the operation and the status of the bit that was scanned.
CC0/CC1
Condition code 0/Condition code 1
OV
Overflow. This condition code bit is set if, e.g., a numerical range is exceeded during arithmetic operations.
Formal operand
Expression with a maximum of 4 characters. The first character must be a letter of the alphabet.
EWA 4NEB 811 6130-02b
A-1
Summary of Contents for SIMATIC S5-115U
Page 6: ...EWA 4NEB 811 6130 02b ...
Page 16: ...EWA 4NEB 811 6130 02b ...
Page 18: ...EWA 4NEB 811 6130 02b ...
Page 26: ......
Page 62: ...EWA 4NEB 811 6130 02b ...
Page 64: ...EWA 4NEB 811 6130 02b ...
Page 67: ......
Page 74: ......
Page 79: ......
Page 80: ......
Page 81: ......
Page 82: ......
Page 83: ......
Page 84: ......
Page 97: ......
Page 98: ......
Page 99: ......
Page 114: ...EWA 4NEB 811 6130 02b ...
Page 280: ...EWA 4NEB 811 6130 02b ...
Page 372: ...EWA 4NEB 811 6130 02b ...
Page 432: ...EWA 4NEB 811 6130 02b ...
Page 442: ......
Page 528: ...EWA 4NEB 811 6130 02b ...
Page 590: ......
Page 591: ......
Page 592: ......
Page 593: ......
Page 594: ......
Page 600: ...EWA 4NEB 811 6130 02b ...
Page 602: ...EWA 4NEB 811 6130 02b ...
Page 604: ...EWA 4NEB 811 6130 02b ...
Page 624: ...EWA 4NEB 811 6130 02b ...
Page 632: ...EWA 4NEB 811 6130 02b ...
Page 644: ...EWA 4NEB 811 6130 02b ...
Page 646: ...EWA 4NEB 811 6130 02b ...
Page 652: ...EWA 4NEB 811 6130 02b ...
Page 654: ...EWA 4NEB 811 6130 02b ...
Page 660: ...EWA 4NEB 811 6130 02b ...
Page 662: ...EWA 4NEB 811 6130 02b ...
Page 666: ...EWA 4NEB 811 6130 02b ...
Page 668: ...EWA 4NEB 811 6130 02b ...
Page 674: ...EWA 4NEB 811 6130 02b ...