Siemens SIMATIC ET 200S - Example of a Diagnostic Interrupt (Continued)

Commissioning and Diagnostics
6-53
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Byte x+8...
76 054321
Input channel = 7B
H
11011011
Byte x+9
76 054321
Length of the channel-specific diagnosis = 32 bits
00000010
Byte x+20
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Bit x+20.1 = error type 1 on channel 2 = short circuit
00010000
Byte x+10
76 054321
Number of channels per module = 4
00100000
Byte x+12 to x+15 ”0” (channel 0)
Byte x+16 to x+19 ”0” (channel 1)
Byte x+21 to x+23 ”0” (channel 2)
Byte x+24 to x+27 ”0” (channel 3)
Byte x+11
76 054321
Diagnostic event on channel 2
00100000
Figure 6-31 Example of a diagnostic interrupt (continued)