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PROFIBUS-DPV0 functions
109
11/04 MN01219002Z-EN
Meaning of the diagnosis information
The read diagnosis information has the following meaning.
Table 18: Data content of the diagnosis information
h
When accessing the diagnosis information “Ident-
number” please note the Motorola coding format
(Octet N: High-Byte, Octet N+1: Low-Byte) used in
PROFIBUS-DP for data in WORD format. If the data
processing format in your DP master system deviates from
this standard, and the DP access commands do not
automatically include a conversion, it will be necessary to
implement and perform the conversion in your application
program. Please refer to the documentation of your DP
master system.
Designation
Meaning
Clarification/Hint
Additional diagnosis
information
The NZM-XDMI-DPV1 has sent
additional diagnosis (status
message) information
Target state: “FALSE”
Configuration fault
The DP master has sent an invalid
configuration telegram to the
NZM-XDMI-DPV1 (e.g. incorrect
length of data inputs and/or data
outputs)
Check the configuration of the
DP master
Communication to
circuit-breaker
interrupted
The communication between DMI
and circuit-breaker is interrupted
Inspect the connection between
the DMI and circuit-breaker
Communication to DMI
interrupted
Communication with the DMI via the
Easy-Link is interrupted
Check the connection between
the DMI and NZM-XDMI-DPV1
Easy Link: timeout
Communication with the DMI via the
Easy-Link is interrupted
Check the connection between
the DMI and NZM-XDMI-DPV1
Easy Link: triple LRC
fault
The NZM-XDMI-DPV1 has received a
faulty telegram via the Easy-Link
from the DMI three-times in
succession
Check the connection between
the DMI and NZM-XDMI-DPV1
Check the noise immunity
measures
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