Siemens SIMATIC ET 200M Operating Instructions Manual page 197

9.1.3.2 Station statuses 1 to 3
Definition
The stations status 1 to 3 provides an overview of the status of a DP slave.
Station status 1
Table 9- 4 Structure of station status 1 (Byte 0)
Bit
0 1: The DP slave cannot be addressed by the DP
master. The bit in the DP slave is always 0.
1 1: DP slave is not ready for the data exchange.
2 1: The configuration data sent to the DP slave by the
DP master does not match the actual configuration
of the DP slave.
3 1: External diagnostics available.
4 1: The requested function is not supported by the DP
slave.
5 1: The DP master cannot interpret the response of
the DP slave.
6 1: DP slave type does not correspond to the software
configuration.
7 1: DP slave was configured by a different DP master
(not by the DP master that currently has access to
the DP slave).
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
Meaning
Interrupt, error and system messages
Cause / remedy
Is the correct PROFIBUS address set on the DP slave?
•
Bus connector / FOC connected?
•
Voltage on DP slave?
•
RS 485 repeater set correctly?
•
Has a reset been performed on the DP slave (switch off /
•
switch off)?
Wait for the DP slave to complete start-up.
•
Correct station type or correct configuration of the DP
•
slave entered in the configuration software?
Evaluate the identifier-related, module status and / or
•
channel-related diagnosis. As soon as all errors are
remedied the bit 3 is reset. The bit is reset when there is
a new diagnostic message in the bytes of the
diagnostics indicated above.
Check the configuration.
•
Check the bus configuration.
•
Was the configuration software set for the correct station
•
type?
The bit is always 1, for example, if you access the DP
•
slave with the programming device or another DP
master.
The PROFIBUS address of the DP master that
configured the DP slave is located in the "Master
PROFIBUS address" diagnostic byte.
9.1 PROFIBUS DP
195