Specifications
55
Reference Manual
00809-0100-2460, Rev AA
Section 4: Configuration
November 2014
Configuration
Tank Databases of the 2460 System Hub and the 2410 Tank Hub
In a typical Rosemount Tank Gauging system a Rosemount 2460 System Hub collects
measurement data from a number of tanks via one or more Rosemount 2410 Tank Hubs. For
proper communication with the control room PC and the Rosemount TankMaster operator’s
interface, Modbus addresses need to be assigned to the field devices on the tank. These
addresses will be stored in the tank databases of the 2460 System Hub and the 2410 Tank Hubs.
In the tank database of the 2410 Tank hub, the 2240S temperature transmitter and the 2230
display (and other non-level devices) are handled as a single Auxiliary Tank Device (ATD). Two
Modbus addresses are used for each tank, one for the level gauge and one for the ATD. The ATD
includes any supported non-level device such as the Rosemount 2240S Multi-Input
Temperature Transmitter and the Rosemount 2230 Graphical Field Display. Other devices such
as the Rosemount 3051S Pressure Transmitter may also be included in the ATD. The ATD
Modbus address represents all these devices. Each position in the 2460 Tank Database
represents one tank.
Single tank connected to a single 2410 Tank Hub
In this example a 2460 System Hub is connected to two tanks each of which has a separate 2410
Tank Hub. Each tank has a 5900S Radar Level Gauge, a 2240S Multi-Input Temperature
Transmitter, and a 2230 Graphical Field Display. The Modbus address configuration is
summarized in Table 4-4:
Table 4-4. Example of Modbus address configuration for 2410 Tank Hubs and connected
devices on two tanks
Modbus Address
Tank 2410 Tank Hub 5900S Level Gauge ATD (2230, 2240S )
TK-1 101 1 101
TK-2 102 2 102