2
02
0-
11
184
Appendix
242
Minimum signal level of the
segment is MR/OOS
Too many terminators
Check that one terminator
is installed on each end of
the trunk cable, but no
more than these two in total
Device malfunction: Signal
level is too low
Replace device
Terminal failure: corrosion Check if the resistance of
any terminal is too high
243
Maximum signal level of
the segment is MR/OOS
Not enough terminators
Check if a terminator is
installed on both ends of
the trunk
Trunk breakage between
device couplers
Check trunk cable and
device coupler terminals
244
Current motherboard type
different from expected
one
Motherboard Type
changed compared to
commissioning
Check if the installed moth
-
erboard is the desired one
and execute the commis
-
sioning wizard or replace
the motherboard
245
Fieldbus power supply A
different from fieldbus
power supply B or one slot
empty
Power supply mismatch
Two different types of field
-
bus power supplies are
installed for the same seg
-
ment. This is not allowed.
Use only one type of field
-
bus power supply for this
segment.
246
One or more devices were
detected but not con
-
stantly active during
recording
Defective device, device
removed or added, com
-
munication failure
Check report for affected
devices
247
One or more devices were
detected but were not con
-
stantly active during
recording
Defective device, device
removed or added, com
-
munication failure
Check report for affected
devices
248
One or more devices were
detected but were not con
-
stantly active during
recording
Defective device, device
removed or added, com
-
munication failure
Check report for affected
devices
249
One or more devices were
detected but not con
-
stantly active during
recording
Defective device, device
removed or added, com
-
munication failure
Check report for affected
devices
250
No ADM connected
No ADM with the address
used for this Transducer
Block is connected to the
diagnostic bus
Check if all required ADMs
are connected and the
addresses are set correctly
251
ADM Firmware too old
The firmware of the ADM is
outdated for use with the
diagnostic gateway
Update firmware to version
1.4 or newer
252
ADM Firmware is being
updated
Firmware update for ADM
is executed
Wait for the firmware
update to be completed
253
Configuration error: Volt
-
age limits
Segment voltage limits are
set to invalid values (e.g.
low limit higher than high
limit)
Correct segment voltage
limits
ID
Phenomenon
Cause(s)
Action(s)