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F12_ICRD
The data for the number of words specified by s2_Number are read from the address in the IC
Description
card extended memory area specified by s1_Start and written to the area specified by d_Start.
This instruction also exists as a P instruction (for FP2/2SH, FP3/5, FP10/10SH PLC types), which
is only executed at the rising edge of the EN trigger. Select [Insert P instruction] from the
"Instructions" pane if you require a P instruction. To facilitate reuse, the instruction then appears
under "Recently used" in the pop-up menu. Press <Ctrl>+<Shift>+<v> within the programming
area to open the list of recently used elements.
Availability of F12_ICRD (see page 1320)
PLC types
Data types
Variable
s1_Start
s2_Number
d_Start
Operands
For
-
s1_Start
DWX
s2_Num
ber
-
d_Start
In this example the function has been programmed in ladder diagram (LD) and structured text
Example
(ST).The same POU header is used for all programming languages.
POU header
All input and output variables used for programming this function have been declared in the POU
header.
IC card extended memory read
Data type
Function
starting 32-bit area to be read in extended memory
ANY32
number of words to be read
ANY16
destination, starting 16-bit area
Relay
-
-
-
-
DWY
DWR
DWL
DSV
WY
WR
WL
SV
T/C
Register
-
-
-
-
DEV
DDT
DLD
DFL
EV
DT
LD
FL
Data transfer within the PLC
Constant
dec. or hex.
dec. or hex.
-
829
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