Example Of A Diagnostic Interrupt (Continued) - Siemens SIMATIC ET 200S Manual

Byte x+8...
Byte x+9
Byte x+10
Byte x+11
Byte x+12 to x+15 "0" (channel 0)
Byte x+16 to x+19 "0" (channel 1)
Byte x+20
Byte x+21 to x+23 "0" (channel 2)
Byte x+24 to x+27 "0" (channel 3)
Figure 6-31
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
7 6 5 4 3 2 1
0 1 1 1 1 0 1 1
Input channel = 7B
7 6 5 4 3 2 1
0 0 1 0 0 0 0 0
Length of the channel-specific diagnosis = 32 bits
7 6 5 4 3 2 1
0 0 0 0 0 1 0 0
Number of channels per module = 4
7 6 5 4 3 2 1
0 0 0 0 0 1 0 0
Diagnostic event on channel 2
7 6 5 4 3 2 1
0 0 0 0 0 0 1 0
Bit x+20.1 = error type 1 on channel 2 = short circuit

Example of a diagnostic interrupt (continued)

Commissioning and Diagnostics
0
H
0
0
0
0
6-53