Technical data

Table Of Contents
Diagnostic Data
System Software for S7-300/400 System and Standard Functions - Volume 2/2
32-2
A5E00739858-01
32.2 Diagnostic Data
Structure and contents of the diagnostic data:
Byte Bit Meaning Remarks Data
Record
0 0 Module fault 0 and 1
1 Internal error
2 External error
3 Channel error
4 No external auxiliary voltage
5 No front connector
6 No parameter assignment
7 Wrong parameters in the module
1 0
to
3
Module class 0101: Analog module
0000: CPU
1000: Function module
1100: CP
1111: Digital module
0011: DP standard slave
1011: I slave
0100: IM
0 and 1
4 Channel information exists
5 User information exists
6 Diagnostic interrupt from
substitute
7 Reserved
2 0 No or wrong memory card 0 and 1
1 Communication problem
2 Mode 0: RUN
1: STOP
3 Cycle monitoring responded
4 Internal module supply voltage
failed
5 Battery exhausted
6 Entire battery backup failed
7 Reserved
3 0 Expansion rack failure 0 and 1
1 Processor failure
2 EPROM error
3 RAM error
4 ADC/DAC error
5 Fuse tripped
6 Hardware interrupt lost
7 Reserved