KEYENCE DL-PD1 - Manual (Page 35)

3-4 Diagnostic Function
3-11 - PROFIBUS DP Compatible Network Unit DL-PD1 User's Manual (GT2) -
Execu
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3
Station status
Information indicating the overview of the DL-PD1 status is stored in Octet 1 to 3. If an
error occurs, each bit for Octet 1 to 3 is set. Refer to the following contents and eliminate
the cause of error.
 Station status 1
Octet bit Content Solution
1
0 Cannot be accessed from the DP master to the DP slave.
• Is the correct PROFIBUS address set
to the DP slave?
• Is the bus connector connected?
• Is the RS485 repeater properly set?
• Is the DP slave set?
1 The DP slave is not ready to exchange data yet. Wait. The DP slave is now starting up.
2
The configuration data transferred from the DP master to
the DP slave does not match with the slave configuration. Check if the slave setting on the
configuration software is correctly made.
3 1 (fixed) -
4 0 (fixed) -
5
The DP master cannot decode the response of the DP
slave.
Check the configuration of the bus.
6
The type of DP slave does not match to the software
configuration. Check if the station type set on the
configuration software is correct.
7
Parameters are assigned to the DP slave by the different
DP master (not the DP master currently having the
access right to the DP slave).
• For example, when accessing to the
DP slave using the programming
device or another DP master, this bit is
always 1.
• The PROFIBUS address of DP master
which assigned parameters to the DP
slave is in the diagnosis byte.