Festo DLP-VSE Series, Manual

Page: 95 / 112

5. Diagnosis
5-11
Festo P.BE-DLP-VSE-... en 0206a
Further octets
Octet Designation Explanation
4 Diag.Master_Add Master address:
The address of the master, which parametrized the
Local control unit, is entered in this octet.
5 ... 6 Ident_Number Manufacturer identification:
These octets contain the manufacturer identifier. For
the Festo Local control unit: 045B
7 Ext_Diag_Data Device-related diagnosis:
This octet represents the header for the device diag-
nosis. The Local control unit enters the value 2 in this
octet, i.e. 2 octets “Device-related diagnosis”, incl.
the header octet, are made available.
Fig. 5/12: Summary of the octets 4 ... 7
Structure of device-related diagnosis 1
Device-related diagnosis 1 will only be sent to the master PLC
when the device-related diagnosis in the switch module of the
Local control unit is activated.
Bit Meaning Explanation for log. “1”
0 Short circuit/overload Short circuit/overload at electric output 0
for processing valve position “CLOSED“
1 Short circuit/overload Short circuit/overload at electric output 1
for processing valve position “OPEN“
2 Short circuit/overload Short circuit/overload at electric output 2
for indicator light “CLOSED“
3 Short circuit/overload Short circuit/overload at electric output 3
for indicator light “OPEN“
4 V
sen
Short circuit/overload in sensor supply voltage < 10 V
5 V
val
Supply voltage for valve solenoid coils < 20.4 V