A.2 Basic Operations - Siemens SIMATIC S5-115U User Manual

Operations List
A.2 Basic Operations
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Operands
Ope-
ration
(STL)
I Q F T C
Boolean Logic Operations
A • • • • •
AN • • • • •
O • • • • •
ON • • • • •
O
A(
O(
)
Set/Reset Operations
S • • •
R • • •
= • • •
Load Operations
L IB
L QB
L IW
A-4
1 RLO depend.?
Typical execution time
2 RLO affected?
3 RLO reloaded?
CPU CPU
1 2 3
941 942
N Y N 1.6 1.6
N Y N 1.6 1.6
N Y N 1.6 1.6
N Y N 1.6 1.6
N Y Y 1.6 1.6
N Y Y 1.6 1.6
N Y Y 1.6 1.6
N Y N 1.6 1.6
Y N Y 1.6 1.6
Y N Y 1.6 1.6
N N Y 1.6 1.6
N N N 1.6 1.6
N N N 1.6 1.6
N N N 1.6 1.6
in µs
CPU CPU
943 944
Scan operand for "1" and combine with RLO through
0.8 0.8
logic AND.
Scan operand for "0" and combine with RLO through
0.8 0.8
logic AND.
Scan operand for "1" and combine with RLO through
0.8 0.8
logic OR.
Scan operand for "0" and combine with RLO through
0.8 0.8
logic OR.
0.8 0.8 Combine AND operations through logic OR.
Combine expressions enclosed in parentheses
0.8 0.8
through logic AND (6 levels).
Combine expressions enclosed in parentheses
0.8 0.8
through logic OR (6 levels).
Close parenthesis (conclusion of a parenthetical
0.8 0.8
expression).
0.8 0.8 Set operand to "1".
0.8 0.8 Reset operand to "0".
0.8 0.8 Assign value of RLO to operand.
0.8 0.8 Load an input byte from the PII into ACCUM 1.
0.8 0.8 Load an output byte from the PIQ into ACCUM 1.
Load an input word from the PII into ACCUM 1:
byte n ACCUM 1 (bits 8 - 15);
0.8 0.8
byte n+1 ACCUM 1 (bits 0 - 7).
S5-115U Manual
Function
EWA 4NEB 811 6130-02b