A.2 Basic Operation Set - Siemens SIMATIC S5 Manual

List of Operations
A.2 Basic Operation Set
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Operands
Ope-
ration
(STL)
I Q F T
Boolean Logic Operations
A • • • •
AN • • • •
O • • • •
ON • • • •
O
A(
O(
)
Set/Reset Operations
S • • •
R • • •
= • • •
Load Operations
L IB
L QB
A-4
1 RLO-depend.? Execution time
2 RLO affected?
3 RLO reloaded?
C 1 2 3
• N Y N
• N Y N
• N Y N
• N Y N
N Y Y
N Y Y
N Y Y
N Y Y
Y N Y
Y N Y
Y N Y
N N N
N N N
in µsec.
CPU
942F
Scan operand for "1" and combine with RLO through
1.6
logic AND.
Scan operand for "0" and combine with RLO through
1.6
logic AND.
Scan operand for "1" and combine with RLO through
1.6
logic OR.
Scan operand for "0" and combine with RLO through
1.6
logic OR.
1.6 Combine AND operations through logic OR.
Combine expressions enclosed with parentheses
1.6
(6 levels) through logic AND.
Combine expressions enclosed with parentheses
1.6
(6 levels) through logic OR.
1.6 Right parenthesis
1.6 Set operand to "1"
1.6 Reset operand to "0"
1.6 Assign value of RLO to operand
1.6 Load an input byte from the PII into accumulator 1
1.6 Load an input byte from the PIQ into accumulator 1
S5-115F Manual
Function
EWA 4NEB 811 6149-02