Siemens SIMATIC ET 200iSP

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