Emerson FB2100 - Standard Power Mode; 2-4. Typical Power Usage - Low Power Mode at Room Temperature

FB2100 Flow Computer Instruction Manual
D301783X012
November 2023
Installation 35
Table 2-4. Typical Power Usage – Low Power Mode at Room Temperature
Description
Power Usage
(mW) at 12Vdc
Base flow computer with integral multivariable DP and pressure
sensor and temperature measurement, single DO available, for a
single meter run.
Historical configuration supports maximum of:

4 averages

12 Station 1 history points (Group 4)

10 User Periodic history points (Group 1)
55
Base flow computer with integral multivariable DP and pressure
sensor and temperature measurement, 2 digital and 2 analog
channels available for a single meter run.
Historical configuration supports maximum of:

4 averages

12 Station 1 history points (Group 4)

10 User Periodic history points (Group 1)
67
Additional Load Options:
Display and backlight active
340
FBxWifi active
379
FBxWifi and display active
398
DO active (1 Hz, 50:50 duty cycle, no load)
12
PI active (10 KHz, 50:50 duty cycle, square wave)
12
Important
If you increase the number of history points/averages beyond any of the maximum limits
in
41TTable 2-441T, the flow computer cannot operate in low power mode and automatically
runs in standard power mode.
Standard Power Mode
When serial communication is active (other than to a remote 4088B MVT) the FB2100
operates in standard power mode. The unit also uses standard power mode when:
 The HMI module display is ON
 FBxWifi is active
 Modbus Master communication is active
 Power control zone enabled