Siemens SIMATIC S7-300 Reference Manual page 27

Basic instructions
Code blocks
✔ ✔ ✔
Call block
LAD / FBD: only with S7-300/400
✔ ✔ ✔
Conditional block call
✔ ✔ ✔
Unconditional block call
Runtime control
✔ ✔
Limit and enable password legitimation
✔ ✔ ✔ ✔
Restart cycle monitoring time
✔ ✔ ✔ ✔
Exit program
✔ ✔
Get error locally
✔ ✔
Get error ID locally
✔ ✔
Compress CPU memory
✔ ✔
Control CiR process
✔ ✔
Initialize all retain data
✔ ✔ ✔ ✔
Configure time delay
✔ ✔
Change protection level
✔ ✔
Measure program runtime
LAD and FBD: new
✔ ✔ ✔ ✔
Safety only: Fail-safe acknowledgment from
an operator control and monitoring system
A5E33285102-AB
Extended instructions
Description
Technology
STL
LAD / FBD
(not S7-1200)
CALL
ENDIS_PW
RE_TRIGR
STP
GET_ERROR
GET_ERR_ID
COMPRESS
CiR
INIT_RD
WAIT
PROTECT
RUNTIME
F_ACK_OP
Communication
SCL
nn
CC nn
UC nn
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