Siemens SIMATIC S7 System Manual page 325

Event
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
Description
20 PTO1 Pulse count complete
21 Timer T32 CT=PT (current time = preset time)
22 Timer T96 CT=PT (current time = preset time)
23 Port 0 Receive message complete
24 Port 1 Receive message complete
25 Port 1 Receive character
26 Port 1 Transmit complete
27 HSC0 Direction changed
28 HSC0 External reset
29 HSC4 CV=PV
30 HSC4 direction changed
31 HSC4 external reset
32 HSC3 CV=PV (current value = preset value)
33 HSC5 CV=PV
34 PTO2 Pulse count complete
35 I7.0 Rising edge (signal board)
36 I7.0 Falling edge (signal board)
37 I7.1 Rising edge (signal board)
38 I7.1 Falling edge (signal board)
43 HSC5 direction changed
44 HSC5 external reset
Program instructions
7.10 Interrupt
CPU CR20s CPU
CPU CR30s SR20/ST20
CPU CR40s CPU
CPU CR60s SR30/ST30
CPU
SR40/ST40
CPU
SR60/ST60
N Y
Y Y
Y Y
Y Y
N Y
N Y
N Y
Y Y
Y Y
N Y
N Y
N Y
Y Y
N Y
N Y
N Y
N Y
N Y
N Y
N Y
N Y
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