Siemens Simatic S7-200 System Manual page 444

S7-200 Programmable Controller System Manual
Table G-2 Interrupt Events in Priority Order
Event Number Interrupt Description
8 Port 0: Receive character
9 Port 0: Transmit complete
23 Port 0: Receive message complete
24 Port 1: Receive message complete
25 Port 1: Receive character
26 Port 1: Transmit complete
19 PTO 0 complete interrupt
20 PTO 1 complete interrupt
0 I0.0, Rising edge
2 I0.1, Rising edge
4 I0.2, Rising edge
6 I0.3, Rising edge
1 I0.0, Falling edge
3 I0.1, Falling edge
5 I0.2, Falling edge
7 I0.3, Falling edge
12 HSC0 CV=PV (current value = preset value)
27 HSC0 direction changed
28 HSC0 external reset
13 HSC1 CV=PV (current value = preset value)
14 HSC1 direction input changed
15 HSC1 external reset
16 HSC2 CV=PV
17 HSC2 direction changed
18 HSC2 external reset
32 HSC3 CV=PV (current value = preset value)
29 HSC4 CV=PV (current value = preset value)
30 HSC4 direction changed
31 HSC4 external reset
33 HSC5 CV=PV (current value = preset value)
10 Timed interrupt 0
11 Timed interrupt 1
21 Timer T32 CT=PT interrupt
22 Timer T96 CT=PT interrupt
G
432
Priority Group Priority in Group
Communications Communications
(highest)
Discrete (middle)
Timed (lowest)
0
0
0
1
1
1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
0
1
2
3