Emerson FB1100 Flow Computer Instruction Manual
D301752X012
August 2020
Installation
27
Table 2-4: Typical Power Usage — Low Power Mode at Room Temperature
Description
Power Usage (mW) at 6Vdc
Base flow computer with integral multivariable DP and
pressure sensor and temperature measurement 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)
36
Additional Load Options:
Display and backlight active
296
FBxWifi
315
FBxWifi and display active
340
DO active (1 Hz, 50:50 duty cycle, no load)
10
Important
If you increase the number of history points/averages beyond any of the maximum limits detailed in
Table 2-4
, the flow computer cannot operate in low power mode and automatically runs in standard
power mode.
2.10.2
Standard Power Mode
When serial communication is active the flow computer operates in standard power mode. The
unit also uses standard power mode when:
The HMI module display is ON
FBxWifi is active
Power control zone enabled
Summary of Contents for FB1100
Page 14: ...Emerson FB1100 Flow Computer Instruction Manual D301752X012 August 2020 10 Introduction ...
Page 48: ...Emerson FB1100 Flow Computer Instruction Manual D301752X012 August 2020 44 Installation ...
Page 87: ...Emerson FB1100 Flow Computer Instruction Manual D301752X012 August 2020 Index 83 ...