Emerson FB2200 - Notes on Battery Life

Emerson FB2200 Flow Computer Instruction Manual
D301784X012
March 2019
34 Installation
Table 2-5. Typical Power Usage – Standard Power Mode at room temperature
Description
Power Usage
(mW) at 12Vdc
Power Usage
(mW) at 24Vdc
Base flow computer with integral multivariable DP and
pressure sensor and temperature measurement for a single
meter run
240
290
Base flow computer with temperature measurement (no
integral sensor) communicating to remote 4088B (externally
powered) for a single meter run
220
268
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
260
313
Base flow computer with temperature measurement, integral
static pressure sensor and pulsed input for a single meter run
276
330
Base flow computer with integral multivariable DP and
pressure sensor and temperature measurement,
communicating to remote 4088B (externally powered) for a
dual meter run
250
300
Additional Load Options:
Display and backlight active
159
188
FBxWifi active
191
199
FBxWifi and display active
233
245
DO active (1 Hz, 50:50 duty cycle, no load)
20
23
PI active (10 KHz, 50:50 duty cycle, square wave)
14
15
8-channel expansion I/O module installed (isolated)
228
280
Additional 6-channel expansion I/O module installed
(isolated)
68
66
Ethernet enabled 100 Mbit
430
466
Ethernet active 100 Mbit
640
650
Loop power supply
310
393
Notes on Battery Life
Battery life varies based on numerous factors including temperature, communication usage, and
various load options. To achieve the maximum battery life noted in the product data sheet requires
that you:
▪ Limit use of the display, backlight, and FBxWifi options.