3. Diagnosis
3−15
Festo P.BE−CPX−FB13−EN en 0811c
3.5.3 Details on standard diagnostic information
The following diagnostic information can be requested by the
DP master from the CPX terminal with the function
Slave_Diag. The procedure for reading out this d
iagnostic
information with a SIMATIC S5/S7 system is described in
section 3.6.1.
Station status_1
Bit Meaning Explanation
0 Diag.Station_Non_Existent CPX terminal no longer/not yet addressable.
Possible causes:
Operating voltage not applied
Data cable interrupted
Fault in data cable
1 Diag.Station_Not_Ready CPX terminal not yet ready for data transmission.
2 Diag.Cfg_Fault The configuration data received from the master are not
the same as that ascertained by the CPX terminal.
3 Diag.Ext_Diag There is a diagnosis. Possible causes:
Cable fracture on input/output module
Short circuit/overload at electrical outputs, ...
4 Diag.Not_Supported 1 = CPX terminal does not support the function requested
5 Diag.Invalid_Slave_Response Always 0 (set by the CPX terminal)
6 Diag.Prm_Fault Last parameterisation telegram faulty
7 Diag.Master_Lock Always 0 (set by the CPX terminal)
bold = CPX terminal related bits
Tab.3/11:Diagnostic bits station status_1
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