Siemens SIMATIC S7-1200 Reference Manual page 68

Basic instructions
✔ ✔ ✔
Send data uncoordinated
✔ ✔ ✔
Receive data uncoordinated
✔
✔ ✔
Send data in segments
✔
✔ ✔
Receive data in segments
✔
Initiate a warm or cold restart in a remote device
✔
Transition a remote device to STOP state
✔
Initiate a restart in a remote device.
✔
Query the status of a remote partner
✔
Receive remote device status change
Query the status of connection that belongs to an SFB
✔
instance
✔
Query connection status
✔ ✔
Only Safety: Fail-safe sending of data via S7 connections
✔ ✔
Only Safety: Fail-safe receipt of data via S7 connections
A5E33284667-AF
Extended instructions
Description
Technology
LAD/FBD
USEND
BSEND
RESUME
STATUS
USTATUS
CONTROL
C_CNTRL
SENDS7
RCVS7
Communication
STL
SCL
(not S7-1200)
URCV
BRCV
START
STOP
Page 67