Emerson Rosemount 2410 Reference Manual page 55

Reference Manual
00809-0100-2410
Power supply
The Rosemount 2410 accepts supply voltage 24-48 Vdc and 48-240 Vac (50/60 Hz).
Primary communication bus
The Rosemount 2410 communicates with a host or a 2460 System Hub via TRL2 Modbus
or RS-485 Modbus protocol.
Secondary communication bus
The secondary bus can be used for communication using a number of protocols such as
TRL2 Modbus, HART 4-20 mA, Enraf, Varec and L&J.
Relay outputs
There are two optional relay outputs. You can choose Normally Open (NO) or Normally
Closed (NC) by setting a switch as described in
NO and NC refers to the contact position when a relay is deenergized. This is also referred
to as the Alarm state. The terminology can be summarized as follows:
Table 3-9: Designation of Relay Contact Positions
Note
Ensure that maximum current through the relays does not exceed the specifications in
Specifications and reference
Related information
Relay output configuration
Configure a virtual relay output
Rosemount 2410 Tank Hub
Normally Closed (NC)
Deenergized
Closed
Not active
Alarm (Reset)
data.
Relay output
Energized Deenergized
Open
Active Not active
Normal Alarm (Reset)
December 2019
configuration.
Normally Open (NO)
Energized
Open Closed
Active
Normal
Installation
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