What is monitored in the AS/system area?
Monitored components Constraints and displayed information
SIMATIC S7-4xx series CPU
● Diagnostics information on CPU utilization
● Utilization OB3x, OB8x and OB1
● Reduction ratio of the OB3x in cases of overload
● Display of the electronic rating plate based on the PNO
specification
If data cannot be read from the components, the data (if existing)
from the project is displayed.
● Detailed error messages
● Detailed maintenance status
The information is dependent on the firmware version of the CPU.
SIMATIC PCS 7 CPUs,
Interface modules (IM) of the ET
200 families and link modules
● Display of the electronic rating plate based on the PNO
specification
If data cannot be read from the components, the data (if existing)
from the project is displayed.
● Detailed error messages
● Detailed maintenance status
What is monitored in the field objects area?
Monitored components Constraints and displayed information
SIMATIC PCS 7 standard I/O
● Display of the electronic rating plate based on the PNO
specification
If data cannot be read from the components, the data (if existing)
from the project is displayed.
● Detailed error messages
● Detailed maintenance status
PROFIBUS DP/PA field devices
(integrated via EDD)
● Detailed device-specific/EDD-based diagnostics
● Display of the electronic rating plate based on the PNO
specification
If data cannot be read from the components, the data (if existing)
from the project is displayed.
● Detailed error messages
● Detailed maintenance status
FF field devices (integrated via
EDD)
● Process access via APL channel blocks
● Detailed device-specific/EDD-based diagnostics
● Display of the electronic rating plate (I&M data)
● Detailed error messages
● Detailed maintenance status
Using the Maintenance Station
3.2 Components with diagnostics capability
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA 19
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