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
Process image
✔
✔
Update the process image inputs
UPDAT_PI
✔
✔
Update the process image outputs
UPDAT_PO
✔
✔
✔
Synchronize the process image inputs
SYNC_PI
✔
✔
✔
Synchronize the process image outputs
SYNC_PO
Distributed I/O
DP and PROFINET
✔
✔
✔
✔
Read data record
RDREC
✔
✔
✔
✔
Write data record
WRREC
✔
✔
✔
✔
Read process image
GETIO
✔
✔
✔
✔
Transfer process image
SETIO
✔
✔
✔
✔
Read process image area
GETIO_PART
✔
✔
✔
✔
Transfer process image area
SETIO_PART
✔
✔
✔
✔
Receive interrupt
RALRM
✔
✔
✔
✔
Disable/enable DP slaves
D_ACT_DP