Structure Of Station Status 1 (Byte 0) - Siemens ET 200S Manual

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
0 1: The DP slave cannot be addressed
by the DP master.
1 1: The DP slave is not yet ready to ex-
change data.
2 1: The configuration data sent by the
DP master to the DP slave does not
correspond to the setup of the DP
slave.
3 1: External diagnosis available. (Group
diagnosis indication)
4 1: The required function is not suppor-
ted by the DP slave (for example,
changing the PROFIBUS address
by means of software).
5 1: The DP master cannot interpret the
response of the DP slave.
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Commissioning and Diagnostics
Cause/Remedy
S
Correct PROFIBUS address set on the DP
slave?
S
Bus connector connected?
S
Voltage at DP slave?
S
RS 485 repeater set correctly?
S
Reset carried out on DP slave?
S
Wait while the DP slave starts up.
S
Correct station type or correct setup of the
DP slave entered in the configuration
software?
S
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.
S
Check the configuration.
S
Check the bus setup.
6-31