Siemens SIMATIC ET 200iSP Operating Instructions Manual page 217

Example of a diagnostic interrupt
The electronic module 8 DI NAMUR reports the diagnostic interrupt "Wire break" on channel 2.
Table 7-44
Byte
Byte x
Byte x+1
Byte x+2
Byte x+3
Byte x+4
Byte x+5
Byte x+6
Byte x+7
Byte x+8
Byte x+9
Byte x+10
Byte x+11
Byte x+12
... x+15
Byte x+16
... x+19
Byte x+20
Byte x+21
... x+23
Byte x+24
... x+27
Byte x+28
... x+31
Byte x+32
... x+35
Byte x+36
... x+39
Byte x+40
... x+43
ET 200iSP
Operating Instructions, 11/2022, A5E00247483-AK
Example of a diagnostic interrupt
7 6 5 4 3 2 1
0 0 1 0 1 1 0
0 0 0 0 0 0 0
0 0 0 0 1 0 1
0 0 0 0 1 0 0
0 0 0 0 1 0 0
0 0 0 1 1 1 1
0 1 1 1 1 0 1
0 0 1 0 0 0 0
0 0 0 0 1 0 0
0 0 0 0 0 1 0
0 1 0 0 0 0 0
7.13 Diagnostics with STEP 7 with PROFIBUS
0 Description
0 Bit 0 to 5: Length of the interrupt part = 44 bytes
Bit 7: Code for device-specific diagnostics
1 Bit 0: Diagnostic interrupt
Bit 7: Code for interrupt
0 Bit 0 to Bit 4: Slot address 10
1 Bit 0: At least 1 error is present
Bit 3: Interrupt sequence number = 1
0 Bit 3: Channel fault is present
1 Bit 0 to Bit 3: Digital electronics module
Bit 4: Channel information available
Always "0"
Always "0"
1 Bit 0 to Bit 6: Input module = 7B
0 Bit 0 to 5: Length of the channel related diagnostics = 32
bits
0 Bit 0 to Bit 3: Number of channels per module = 8
0 Bit 2: Diagnostic result is available on channel 2
"0" (channel 0)
"0" (channel 1)
0 Bit 6: Error type 6 on channel 2 = wire break
"0" (channel 2)
"0" (channel 3)
"0" (channel 4)
"0" (channel 5)
"0" (channel 6)
"0" (channel 7)
Commissioning and Diagnostics
H
217