Siemens SIMATIC S5 - A.3 Supplementary Operations

List of Operations S5-115F Manual
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Function
Execution time
in µsec.
CPU
942F
I Q F T C 321
Ope-
ration
(STL)
1 RLO-depend.?
2 RLO affected?
3 RLO reloaded?
Operands
Display Generation Operations (cont.)
Display generation operation for the programmer:
Switch over to ladder diagram
BLD
133
BLD
255
1.6
1.6
Display generation operation for the programmer:
Terminate segment
N N N
N N N
A.3 Supplementary Operations
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Function
Execution time
in µsec.
CPU
942F
I Q F T C 321
Ope-
ration
(STL)
1 RLO-depend.?
2 RLO affected?
3 RLO reloaded?
Operands
Boolean Logic Operations
A= N Y N 129
AND operation: Scanning a formal operand for ”1”
AN=
O=
ON=
AW
OW
XOW
N Y N 129
N Y N 129
N Y N 129
AND operation: Scanning a formal operand for ”0”
OR operation: Scanning a formal operand for ”1”
OR operation: Scanning a formal operand for ”0”
1.6
1.6
1.6
N N N
N N N
N N N
Combine contents of ACCUM 2 and ACCUM 1 (word operation)
through logic AND: result is stored in ACCUM 1. CC1/CC0 are
affected
Combine contents of ACCUM 2 and ACCUM 1 (word operation)
through logic OR: result is stored in ACCUM 1. CC1/CC0 are
affected
Combine contents of ACCUM 2 and ACCUM 1 (word operation)
through EXCLUSIVE-OR: result is stored in ACCUM 1. CC1/CC0
are affected
Formal operand
Formal operand
Formal operand
Formal operand
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A-10 EWA 4NEB 811 6149-02