Interrupt, error and system messages
9.1 PROFIBUS DP
ET 200M
Operating Instructions, 12/2008, EWA-4NEB780600602-08
195
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
Meaning
Cause / remedy
0 1: The DP slave cannot be addressed by the DP
master. The bit in the DP slave is always 0.
•
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)?
1 1: DP slave is not ready for the data exchange.
•
Wait for the DP slave to complete start-up.
2 1: The configuration data sent to the DP slave by the
DP master does not match the actual configuration
of the DP slave.
•
Correct station type or correct configuration of the DP
slave entered in the configuration software?
3 1: External diagnostics available.
•
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.
4 1: The requested function is not supported by the DP
slave.
•
Check the configuration.
5 1: The DP master cannot interpret the response of
the DP slave.
•
Check the bus configuration.
6 1: DP slave type does not correspond to the software
configuration.
•
Was the configuration software set for the correct station
type?
7 1: DP slave was configured by a different DP master
(not by the DP master that currently has access to
the DP slave).
•
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.
Содержание IM 153-4 PN
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