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
✔
✔
✔
Send data uncoordinated
USEND
✔
✔
✔
Receive data uncoordinated
URCV
✔
✔
✔
Send data in segments
BSEND
✔
✔
✔
Receive data in segments
BRCV
✔
Initiate a warm or cold restart in a remote device
START
✔
Transition a remote device to STOP state
STOP
✔
Initiate a restart in a remote device.
RESUME
✔
Query the status of a remote partner
STATUS
✔
Receive remote device status change
USTATUS
✔
Query the status of connection that belongs to an SFB
instance
CONTROL
✔
Query connection status
C_CNTRL
✔
✔
Only Safety: Fail-safe sending of data via S7 connections
SENDS7
✔
✔
Only Safety: Fail-safe receipt of data via S7 connections
RCVS7