Siemens SIMATIC S7-300 Reference Manual page 37
Comparison list for programming languages based on the international mnemonics
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Also See for SIMATIC S7-300:
- Manual (676 pages) ,
- Reference manual (574 pages) ,
- Installation and operating manual (356 pages)
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Basic instructions
Process image
✔
✔
Update the process image inputs
✔
✔
Update the process image outputs
✔
✔
✔
Synchronize the process image inputs
✔
✔
✔
Synchronize the process image outputs
Distributed I/O
DP & PROFINET
✔
✔
✔
✔
Read data record
✔
✔
✔
✔
Write data record
✔
✔
✔
Read process image
✔
✔
✔
Transfer process image
✔
✔
✔
Read process image area
✔
✔
✔
Transfer process image area
✔
✔
✔
✔
Receive interrupt
✔
✔
✔
Enable/disable DP slaves
✔
Reconfigure IO system
To do this, switch modules on or off in order to, for
example, flexibly run through or bridge the
production steps of a manufacturing process.
A5E33285102-AB
Extended instructions
Description
Technology
LAD / FBD
(not S7-1200)
UPDAT_PI
UPDAT_PO
SYNC_PI
SYNC_PO
RDREC
WRREC
GETIO
SETIO
GETIO_PART
SETIO_PART
RALRM
D_ACT_DP
ReconfigIOSystem
Communication
STL
SCL
Page 36
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