Emerson FB2100 - Power Options

FB2100 Flow Computer Instruction Manual
D301783X012
November 2023
Introduction 7

Pressure (P) input from the MV sensor, differential pressure (DP) input from the MV
sensor, connections for temperature (T) input from a customer-supplied RTD/PRT -
or – a single Static Pressure Sensor with RTD/PRT connections. Alternatively, you can
purchase the flow computer without an integral sensor.

Either single digital output (DO) or four on-board I/O channels [two on-board I/O
channels you can individually configure as either digital input (DI), digital output
(DO), or pulse input (PI) and two on-board I/O channels you can individually
configure as either analog input (AI) or analog output (AO).
Table 1-2. FB2100 I/O Configurations
Option
Configuration
FB2100 option 1

MV Sensor (P, DP) or Static Pressure (SP) Sensor

Connections for customer supplied 2, 3, or 4-wire
RTD/PRT.

1 DO channel
FB2100 option 2

MV Sensor (P, DP) or Static Pressure (SP) Sensor

Connections for customer supplied 2, 3, or 4-wire
RTD/PRT.

2 DI/DO/PI channels

2 AI/AO channels
1.6. Power Options
You can power the flow computer using an external DC input, or an internal rechargeable
battery connected to a solar panel.
Important
Use only batteries supplied with the flow computer or sold by Emerson Energy and
Transportation Solutions as spare parts for this flow computer. If you substitute a battery
you obtain elsewhere you will void your certification unless it is the identical part
from the same manufacturer as that supplied with the flow computer from Emerson.
Table 1-3. Power Options
Option
Usage
External DC Power Supply
10.5 Vdc to 30 Vdc external supply (Max power at 10
watts)
Lead Acid Battery Pack

12 Vdc

10.5 Ah

Not suitable with ATEX or IECEx applications

Optional solar panel and charge controller to
charge battery (supplied separately)