Siemens SIMATIC S7-1200

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Extended instructions
Basic instructions
Communication
Technology
S7-300
S7-400
S7-1200 S7-1500
Description LAD/FBD
STL
(not S7-1200)
SCL
✔ ✔ ✔
S7-300/400: Determine all logical addresses from a
logical address
S7
-1500: Determine the logical addresses from the
hardware identifier
RD_LGADR
✔
✔ ✔
S7-300/400: Determine logical basic address from
slot and offset in the user data address area
S7
-1500: Determine hardware identifier from slot and
offset in the user data address area
GADR_LGC
✔ ✔ ✔
S7-300/400: Determine slot and offset in the user
database from a logical address
S7
-1500: Determine slot from the hardware identifier.
Exists only
for compatibility reasons, not
recommended
LGC_GADR
File operations (file handling)
✔
Read data from an ASCII file from the memory card
FileReadC
✔
Write data to an ASCII file on the memory card
FileWriteC