Siemens SIMATIC S5 Manual page 157

S5-115F Manual
Load and transfer operations
Table 3-23 provides an overview of the load and transfer operations. An example follows the table.
Table 3-23. Overview of Load and Transfer Operations
Operation Operand
L =
LC =
LW =
T =
Formal operand
For L =
For LC =
For LW =
For T =
1 DW, DR, DL
Example: FB 34 is assigned parameters in PB 1.
Call in PB 1
:JU FB 34
NAME :LOAD/TRAN
I 0 : I 2.0
I 1 : I 2.1
L 1 : FW 10
LW 1 : KC 140
LC 1 : C 7
T 1 : QW 4
LW 2 : KC 160
:BE
EWA 4NEB 811 6149-02
Load a formal operand.
Load a formal operand in BCD code.
Load the bit pattern of a formal operand.
Transfer to a formal operand.
Actual operands permitted
Inputs, outputs, and data
1
words addressed in binary
form Timers and counters
Timers and counters
Bit pattern
Inputs, outputs, and data
1
words addressed in binary
form
Program in FB 34
:A =I
:L =L
:S C
:A =I
:LW =LW
:S C
:A I
:CU C
:CU C
:LC =LC
:T =T
:A I
:R C
:R C
:LW =LW
:LC =LC
:!=F
:R C
:BE
Meaning
Parameter
Type
I , Q
T , C
T , C
D
I, Q
Executed Program
:
0 A
1 :L
6 :S
1 :A
1 :L
7 :S
2.2 :A
6 :CU
7 :CU
1 :LC
1 :T
2.7 :A
6 :R
7 :R
2 :L
1 :LC
:!=F
7 :R
:BE
STEP 5 Operations
Data
Type
BY, W
KF, KH, KM,
KY, KS, KT, KC
BY, W
I 2.0
FW 10
C 6
I 2.1
KC 140
C 7
I 2.2
C 6
C 7
C 7
QW 4
I 2.7
C 6
C 7
KC 160
C 7
C 7
3-61