Siemens SIMATIC S7-1200 Reference Manual page 50

Basic instructions
Addressing
✔ ✔
Determine hardware identifier from slot
✔ ✔
Determine slot from the hardware identifier
Determine the hardware identifier from addressing of
✔
STEP 7 V5.5 SPx
✔ ✔
Determine hardware identifier from an IO address
Determine the IO addresses from the hardware
✔ ✔
identifier
Other instructions for addressing
S7-300/400: Determine start address from slot
S7-1500: Determine hardware identifier from slot.
✔ ✔ ✔
Exists only for compatibility reasons, not
recommended
S7-300/400: Determine slot from a logical address
S7-1500: Determine slot from the hardware identifier.
✔ ✔ ✔
Exists only for compatibility reasons, not
recommended
A5E33284667-AF
Extended instructions
Description
Technology
STL
LAD/FBD
(not S7-1200)
GEO2LOG
LOG2GEO
LOG2MOD
IO2MOD
RD_ADDR
GEO_LOG
LOG_GEO
Communication
SCL
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