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Commissioning and Diagnostics
6-31
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
Interrupts
The interrupt section for the ET 200M is structured as follows (in the IM 153-x
without module status and channel-specific diagnosis, byte x = byte 9):
Byte x
70
Bit no.
Length of the interrupt section including byte x
Code for station diagnosis
00
Byte x+1
70
00
Byte x+2
70
01
70
01
00
B
: Process interrupt, insertion interrupt or removal interrupt
01
B
: There is at least one error
10
B
: Going error
11
B
: Reserved
Byte x+3
0000001
B
: Diagnostic interrupt
0000010
B
: Process interrupt
0000011
B
: Module removal interrupt
0000100
B
: Module insertion interrupt
Type of interrupt:
04 to 11: Slot of the module that is producing an interrupt
02: IM 153-x producing interrupt (process interrupt during time stamping)
6
5
13
Interrupt sequence
number in the case of
the S7-400H;
otherwise always 0
6
0
Code for interrupt
Slot number
Bytes x+4 to ...
Diagnostic data
(contents of data records
0 and 1) (see Figures
6-11 to 6-15)
.
.
.
Process interrupt data
(see Figures 6-16 and
6-17)
... Byte x+19 ... Byte x+7 ... Byte x+8
Module removal/
insertion interrupt
data
(see Figure 6-18)
* Note: Special modules can also have a diagnostic data record longer than 16 bytes.
See the description for each module.
Figure 6-10 Structure of the interrupt status of the interrupt section
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