Diagnostics Through Fieldbus - Siemens SIMATIC ET 200pro FC-2 Operating Instructions Manual
Low voltage converter for the distributed i/o system
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Also See for SIMATIC ET 200pro FC-2:
- Function manual (344 pages) ,
- Operating instructions manual (270 pages) ,
- Original instructions manual (256 pages)
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10.2
Diagnostics through fieldbus
The inverters provide the diagnostics standardized for PROFIBUS and PROFINET. This
means that it is possible to directly output faults and alarms at an HMI (control system
screen).
Here, PROFINET offers more functions than PROFIBUS
● PROFIBUS: Faults without component assignment
● PROFINET: Faults and alarms with component assignment
The fault and alarm messages are saved in the inverter in the following parameters
● r0947[0 ... 63]: Fault number
● r2122[0 ... 63]: Alarm code
● r3120[0 ... 63]: Components which are involved with the fault (only for PROFINET)
● r3121[0 ... 63]: Components which are involved with the alarm (only for PROFINET)
The inverter transfers the messages in the sequence in which they occurred
The control generates the time stamp when the messages are received
SIMATIC ET 200pro FC-2 converter
Operating Instructions, 04/2018, FW V4.7 SP10, A5E34257324B AF
Alarms, faults and system messages
10.2 Diagnostics through fieldbus
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