Instruction Manual

6. Diagnosis and fault display
6−17
Festo P.BE−GDCP−SFC−LACI−PB−EN en 0812NH
Station status 1
Bit 3 is especially of interest with station status 1. If this bit is
set, it is sensible to evaluate the device−related diagnosis.
Station status 1
Bit Meaning Explanation
0 Diag.Station_Non_Existent SFC−LACI no longer/not yet addressable.
Possible causes:
 Operating voltage not present.
 Data cable broken.
 Fault in data cable
1 Diag.Station_Not_Ready SFC−LACI not yet ready for data exchange.
2 Diag.Cfg_Fault The configuration data received from the master are not
the same as those ascertained by the SFC−LACI.
3 Diag.Ext_Diag There is a device−related diagnosis
1)
4 Diag.Not_Supported 1 = The SFC−LACI does not support the function requested
5 Diag.Invalid_Slave_Response Always 0 (always reset to 0 by the SFC−LACI)
2)
6 Diag.Prm_Fault Last parametrizing telegram faulty
7 Diag.Master_Lock Access by a different master (set by the master)
1)
Is set by the SFC−LACI when a new error occurs (new error message).
2)
Is set to 1 in the DP master when the reply sent by the slave cannot be interpreted.
Tab.6/12: Diagnostic bits of station status 1