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Service and Troubleshooting
July 2017
5.3.2
Tankbus system
This section covers systems with field devices connected to a Rosemount 2410 Tank Hub.
Table 5-4. Troubleshooting chart for Tankbus related problems
Symptom
No communication with
the Rosemount 2230
Graphical Field Display
90
Possible cause
Incorrect termination on the
Tankbus
Too many devices on the Tankbus
Connection to Rosemount 2460
System Hub
Incorrect configuration of
Rosemount 2460 System Hub
Legacy system:
incorrect configuration of 2160
Field Communication Unit (FCU)
Action
•
Check that there are two terminators on the Tankbus.
Normally the built-in termination in the Rosemount 2410
Tank Hub is enabled.
•
Check that terminations are placed at both ends of the
Tankbus
•
Check that the total current consumption of the devices on
the Tankbus is less than 250 mA. See the Rosemount 2410
Reference Manual (Document no. 00809-0100-2410) for
more information.
•
Remove one or more devices from the Tankbus. The
Rosemount 2410 Tank Hub supports a single tank. The
multiple tank version of the Rosemount 2410 supports up
to 10 tanks.
•
Check that the right field port on the Rosemount 2460
System Hub is connected to the Primary bus on the
Rosemount 2410 Tank Hub.
•
Check communication port LED:s inside the
Rosemount 2460 System Hub.
•
Check the Modbus communication address specified for
the appropriate ATD device, i.e. the device that represents
the Rosemount 2240S Multi-input Temperature
Transmitter in the system hub's tank database. For the
single tank version, this address is equal to the Modbus
address of the Rosemount 2410 Tank Hub itself.
•
Check configuration of communication parameters for the
Rosemount 2460 System Hub field ports.
•
Check that the correct communication channel is selected.
See the Rosemount Tank Gauging System Configuration
Manual (Document no. 00809-0300-5100) for more
information on how to configure the system hub.
•
Check the Modbus communication address specified for
the ATD device that represents the Rosemount 2230
display in the 2160 FCU Slave Database. For the single tank
version, the ATD address is equal to the Modbus address of
the Rosemount 2410 Tank Hub itself.
•
Check configuration of communication parameters for the
FCU Fieldbus ports
•
Check that the correct communication channel is selected
•
See the Rosemount Tank Gauging System Configuration
Manual (Document no. 00809-0300-5100) for more
information on how to configure the 2160 FCU
Reference Manual
00809-0100-2230, Rev CA
Service and Troubleshooting
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