Station Statuses 1 To 3 - Siemens SIMATIC IM151-1 STANDARD Manual

4.4.3

Station statuses 1 to 3

67B
Definition
Station statuses 1 to 3 provide an overview of the status of a DP slave.
Structure of station status 1 (byte 0)
Table 4- 3 Structure of station status 1 (byte 0)
Bit
0 1: The DP slave cannot be accessed by the DP
master.
1 1: The DP slave is not yet ready to exchange data.
2 1: The configuration data transferred from the DP
master to the DP slave does not match the slave
configuration.
3 1: External diagnostics information is pending.
(Group diagnostics display)
4 1: The required function is not supported by the DP
slave (for example, changing the PROFIBUS ad-
dress by means of software).
5 1: The DP master cannot interpret the response of
the DP slave.
6 1: The DP slave type does not match the software
configuration.
7 1: Parameters have been assigned to the DP slave
by a different DP master (not the one that currently
has access to the DP slave).
Interface module IM151-1 STANDARD (6ES7151-1AA06-0AB0)
Manual, 07/2015, A5E01075950-AD
Meaning
Interrupt, error, and system messages
Cause/Remedy
Is the correct PROFIBUS address set on the DP slave?
•
Is the bus connector plugged in?
•
Is the DP slave connected to the voltage supply?
•
Is the RS-485 repeater set correctly?
•
Has the DP slave been reset?
•
Wait, the DP slave is currently starting up.
•
Has the correct station type or the correct DP slave con-
•
figuration been entered in the configuration software?
Evaluate the ID-specific diagnostics information, the mod-
•
ule status, and/or the channel-specific diagnostics infor-
mation. As soon as all errors have been eliminated, bit 3
will be reset. The bit will be set again when there is a new
diagnostics message in the bytes of the aforementioned
diagnostics.
Check the configuration.
•
Check the bus configuration.
•
Has the correct station type been entered in the configura-
•
tion software?
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 assigned
•
parameters to the DP slave is located in the "Master
PROFIBUS address" diagnostics byte.
4.4 Diagnostics with STEP 7
43