5-5
ET 200L Distributed I/O Device
EWA-4NEB 780600902-05
5.2.2
Structure of Station Statuses 1 to 3, Master Station Number and
Manufacturer Identification
Station statuses 1 to 3 provide an overview of the status of a DP slave (refer
to Figure 5-1, bytes 0 to 2).
Station status 1 provides information about the DP slave and is structured as
follows:
Table 5-3
Structure of Station Status 1 (Byte 0)
Bit
Meaning
Action
0
1: The DP slave cannot be addressed by
the DP master.
S
Correct PROFIBUS address set on ET 200L?
S
Bus connector connected?
S
Voltage at DP slave?
S
RS 485 repeater set correctly?
S
Supply voltage ON/ OFF performed on
ET 200L?
1
1: The DP slave is not yet ready to
exchange data.
S
Wait, because the ET 200L is just being pow-
ered up.
2
1: The configuration data sent by the DP
master to the DP slave do not agree
with the installation of the DP slave.
S
Correct station type or correct installation of
the ET 200L entered in the system configura-
tion software?
3
1: An external diagnosis exists.
S
Check the contents of the external diagnosis.
4
1: The requested function is not supported
by the DP slave.
S
Check the configuration.
5
1: The DP master cannot interpret the
reply from the DP slave.
S
Check the bus installation.
6
1: The DP slave type does not agree with
the software configuration.
S
Correct station type entered in the system con-
figuration software?
7
1: Parameters have been assigned to the
DP slave by a different DP master from
that which currently has access to the
DP slave.
S
The bit is always 1 if you are in the process of
accessing, for example, the ET 200L with the
PU or another DP master.
The PROFIBUS address of the parameteriza-
tion master is located in the ”master PROFI-
BUS address” diagnostic byte.
Definition of Sta-
tion Status
Structure of Sta-
tion Status 1
Diagnostics
Diagnostics