Siemens SIMATIC S5 Manual page 107
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S5-115F Manual
Table 3-3. Overview of Load and Transfer Operations
Operation
Operand
L
T
ID
IB
IW
QB
QW
FY
1
FW
1
DR
DL
DW
T
2
C
3
PY
4
PW
4
KM
3
KH
3
KF
3
KY
3
KB
3
KC
3
KT
3
KZ
3
LC
ID
T
C
1 FW 0 is reserved for the logical program counter.
FW 2 to FW 198 (F 2.0 to F 199.7) permissible for the user program.
FW 200 to FW 254 (F 200.0 to F 255.7) only permissible as scratch flags within a block. Scratch flags must be defined, set
or reset at the start of a block run and also after conditional and unconditional block calls. In this way, data exchange
with other blocks is avoided.
2 The LT operation loads a time which has been updated by the SYNC call last processed. It is not updated every 10 msec.
3 These operands cannot be used for transfer.
4 TPY and TPW can only be used in the digital range 0 to 125. FB 250 ANEI must be used in the analog range 128 to 255,
and FB 251 ANAU must be used for analog output modules.
EWA 4NEB 811 6149-02
Load
The operand contents are copied into ACCUM 1 regardless of the
RLO.
The RLO is not affected.
Transfer
The contents of ACCUM 1 are assigned to an operand regardless of
the RLO.
The RLO is not affected.
Parameter
CPU 942F
0 to 127
0 to 126
0 to 125
0 to 124
0 to 255
0 to 254
0 to 255
0 to 255
0 to 255
0 to 127
0 to 127
0 to 127
0 to 126
random bit pattern (16 bit)
0 to FFFF
-32768 to +32767
0 to 255 per byte
0 to 255
any 2 alphanumeric characters
0.0 to 999.3
0 to 999
Load in BCD
Binary times and counts are loaded into ACCUM 1 in BCD code
regardless of the RLO.
Parameter
0 to 127
0 to 127
Meaning
STEP 5 Operations
3-11
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