Emerson Rosemount 2240S, Reference Manual, Page: 71 / 194

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Reference Manual
00809-0100-2240, Rev DA
Configuration/Operation
October 2017
Configuration/Operation
5.4.2 Communication LEDs
There are two pairs of LEDs that indicate communication status for the Rosemount 2240S Multi-input
Temperature Transmitter:

when a Water Level Sensor (WLS) is connected, two LED signals indicate that measurement and status
information is communicated over the Sensor bus to the temperature transmitter

two LEDs indicate that the temperature transmitter communicates with a Rosemount 2410 Tank Hub
over the Tankbus
Figure 5-9. Communication LEDs
A: WLS - receive and transmit
B. Tankbus - receive and transmit
A B