Siemens Simatic S7-1500

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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
✔
✔
Create data block in the load memory
CREA_DBL
✔
✔
✔
✔
Read from data block in the load memory
READ_DBL
✔
✔
✔
✔
Write to data block in the load memory
WRIT_DBL
✔
✔
Read data block attributes
ATTR_DB
✔
✔
Delete data block
DEL_DB
✔
✔
Delete data block
DELETE_DB
✔
✔
Test data block
TEST_DB
Table functions
✔
✔
Add value to table
ATT
✔
✔
Output first value of the table
FIFO
✔
✔
Find value in table
TBL_FIND
✔
✔
Output last value in table
LIFO
✔
✔
Execute table instruction
TBL
✔
✔
Run value from table
TBL_WRD
✔
✔
Link value logically with table element and save
WRD_TBL
✔
✔
Calculate standard deviation
DEV
✔
✔
Correlated data tables
CDT
✔
✔
Link tables
TBL_TBL
✔
✔
Collect/distribute table data
PACK