Siemens SIMATIC S7 - Page 840

References
E.4 STL instructions
S7-200 SMART
840 System Manual, V2.3, 07/2017, A5E03822230-AF
Interrupt instructions
STL
Description
CRETI
Conditional Return from Interrupt
ENI
DISI
Enable Interrupts
Disable Interrupts
ATCH INT, EVNT
DTCH EVNT
Attach Interrupt routine to event
Detach event
CEVENT EVNT
Clear all interrupt events of type EVNT
Communications instructions
STL
LAD/FBD
GET
PUT
Reads remote station data
Writes data to a remote station
XMT TBL, PORT
RCV TBL, PORT
Freeport transmission
Freeport receive message
GIP ADDR, MASK, GATE
SIP ADDR, MASK, GATE
Get CPU address, subnet mask, and gateway
Set CPU address, subnet mask, and gateway
GPA ADDR, PORT
SPA ADDR, PORT
Get Port Address
Set Port Address
Note
The CPU models CPU CR20s, CPU CR30s, CPU CR40s, and CPU CR60s have no
Ethernet port and do not support any functions related to the use of Ethernet
comm
unications.