Siemens SIMATIC S7-1200 - Page 50

A5E33284667-AF Page 49
Extended instructions
Basic instructions
Communication
Technology
S7-300
S7-400
S7-1200 S7-1500
Description LAD/FBD
STL
(not S7-1200)
SCL
Addressing
✔
✔
Determine hardware identifier from slot
GEO2LOG
✔
✔
Determine slot from the hardware identifier
LOG2GEO
✔
Determine the hardware identifier from addressing of
STEP 7 V5.5 SPx
LOG2MOD
✔
✔
Determine hardware identifier from an IO address
IO2MOD
✔ ✔
Determine the IO addresses from the hardware
identifier
RD_ADDR
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
GEO_LOG
✔ ✔ ✔
S7-300/400: Determine slot from a logical address
S7
-1500: Determine slot from the hardware identifier.
Exists only for compatibility reasons, not
recommended
LOG_GEO