Emerson Rosemount 2460, Справочное руководство

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106
Reference Manual
00809-0100-2460, Rev DE
Service and Troubleshooting
October 2018
Service and Troubleshooting
No contact with the
Rosemount 2460 System
Hub
Configuration of
communication protocol
In TankMaster WinSetup/Protocol Channel
Properties:

check that the protocol channel is enabled

check the protocol channel configuration (port,
parameters, modem).
Wrong communication
settings
Use TankMaster to check communication settings.
For TRL2 modems: Baud Rate=4800, Data bits per
character=8, Stop bits=1, no parity.
See Table 4-1 on page 60 .
Connected to wrong modem
port
Check which modem is used. Port 7-8 are used for
Host communication. Ports 5-6 can be used for Host
or field device communication depending on
configuration.
Hardware failure

Check the Rosemount 2460 Error LED for
information.

Check the Field Bus Modem.

Check the communication port on the control room
PC.

Contact Emerson Automation
Solutions/Rosemount Tank Gauging service
department.
Impossible to change
configuration (write to
Holding Registers) of the
Rosemount 2460 database
The Rosemount 2460 is write
protected

Check hardware write protection switch (see “Write
protection” on page 143 )

Check software write protection in TankMaster
WinSetup
Configuration locked by other
host system

Retry after a couple of minutes
Process value is invalid
Process value is not valid

Check status in Input Registers for the failing field
device
All process values are invalid

Check device status/error Input Registers for the
failing field device
Connected devices don’t
respond to request
The Rosemount 2460 tank
database is not configured

Configure Tank Database with TankMaster
WinSetup
Bad cabling or wrong polarity 
Check or change cables
Wrong communication
settings
Use TankMaster to check communication settings.
For TRL2 modems: Baud Rate=4800, Data bits per
character=8, Stop bits=1, no parity
See Table 4-1 on page 60 .
The Rosemount 2460 is
connected to wrong modem
port
Check which modem is used. Ports 1-4 are used for
field devices. Port 7-8 are used for host
communication. Ports 5-6 can be used for host or
field device communication depending on
configuration.
Mismatch between Modbus
address in field device and
Rosemount 2460 tank
database
Make sure that the Modbus address of the field
device is configured for the right tank in the Tank
Database of the Rosemount 2460.
See “Tank Database configuration” on page 62 .
Symptom Possible cause Action (continued)