Siemens SIMATIC S5-115U, Руководство пользователя

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