Commissioning and Diagnostics
6-31
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
6.6.3 Station Statuses 1 to 3
Definition
Station statuses 1 to 3 provide an overview of the status of a DP slave.
Station Status 1
Table 6-8 Structure of Station Status 1 (Byte 0)
Bit Meaning Cause/Remedy
0 1: The DP slave cannot be addressed
by the DP master.
Correct PROFIBUS address set on the DP
slave?
Bus connector connected?
Voltage at DP slave?
RS 485 repeater set correctly?
Reset carried out on DP slave?
1 1: The DP slave is not yet ready to ex-
change data.
Wait while the DP slave starts up.
2 1: The configuration data sent by the
DP master to the DP slave does not
correspond to the setup of the DP
slave.
Correct station type or correct setup of the
DP slave entered in the configuration
software?
3 1: External diagnosis available. (Group
diagnosis indication)
Evaluate the module diagnosis, the module
status and/or the channel-specific
diagnosis. Bit 3 is reset as soon as all the
faults have been rectified. The bit is reset
when there is a new diagnostic message in
the bytes of the diagnostics mentioned
above.
4 1: The required function is not suppor-
ted by the DP slave (for example,
changing the PROFIBUS address
by means of software).
Check the configuration.
5 1: The DP master cannot interpret the
response of the DP slave.
Check the bus setup.