Siemens SIMATIC S5-115U, User Manual

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S5-115U Manual Operations List
A.4 System Operations
4.5**
4.5**
for organization blocks (OB)
for program blocks (PB)
for function blocks (FB)
for sequence blocks (SB)
Function
Typical Execution Time
in
µ
sec.
CPU
941
I Q F T C
CPU
942
CPU
943
3 2 1
Ope-
ration
(STL)
1 RLO depend.?
2 RLO affected?
3 RLO reloaded?
Operands
Set Operations
SU
RU
RS N N Y 142 142 142
RS N N Y 142 142 142
Set bit in system data range unconditionally.
Reset bit in system data range unconditionally.
Load and Transfer Oprations
LIR
TIR
0 ( ACCUM 1)
2 ( ACCUM 2)
0 ( ACCUM 1)
2 ( ACCUM 2)
N N N
N N N
126* 126* 126*
105* 105* 105*
Load the contents of a memory word (addressed by
ACCUM 1) indirectly into the register (0: ACCUM 1;
2: ACCUM 2).
1
Transfer the contents of the accumulator indirectly
to the memory word (addressed by ACCUM 1)
(0: ACCUM 1; 2: ACCUM 2)
1
TNB
T
Parameter
n=0 to 255
RS
N N N
N N N
*
68 +
34
·
n
*
68 +
34
·
n
*
68 +
34
·
n
Transfer a block byte by byte (number of bytes
0 to 255).
End address source: ACCUM 2
End address target: ACCUM 2
75 75 75 Transfer a word to the system data range.
Jump Operation
JUR N N N 105 105 105
Jump randomly within a function block
(jump displacement: - 32768 to+32767).
Arithmetic Operations
ADD
ADD
BF
KF
N N N
N N N
57 57 57
90 90 90
Add byte constant (fixed point) to ACCUM 1.
Add fixed-point constant (word) to ACCUM 1.
CPU
944
142
142
*
2.9+
n(1.7
+*)
75
105
57
90
LDI
TDI
A1 ( ACCUM 1)
A2 ( ACCUM 2)
A1 ( ACCUM 1)
A2 ( ACCUM 2)
N N N
N N N
- - -
- - -
Load the contents of a memory word (addressed by
ACCUM 1) indirectly into ACCUM 1 or ACCUM 2
(A1=ACCUM 1, A2=ACCUM 2).
2
Transfer the contents of the accumulator indirectly
into the memory word (addressed by ACCUM 1)
(A1=ACCUM 1, A2=ACCUM 2)
2
126
105
1 In the case of CPU 944 access to memory bank 1
2 In the case of CPU 944 access to memory bank 2
* When accessing the I/0 area, the relevant timeouts for each byte access must be added.
** + 2 x ready delay time of the referenced I/O modules
EWA 4NEB 811 6130-02b
A-15