Emerson FB1200 - Standard Power Mode

Emerson FB1200 Flow Computer Instruction Manual
D301782X012
March 2019
30 Installation
2.10.2 Standard Power Mode
When serial communication is active (other than to a remote 4088B MVT) the flow computer
operates in standard power mode. The unit also uses standard power mode when:
▪
The HMI module display is ON
▪
WiFi is active
▪
Ethernet port enabled in the flow computer
▪
Modbus Master communication active
▪
PIDs, Math/logic Blocks, Action Blocks, Effect blocks enabled
▪
6-channel expansion I/O board installed and enabled in the flow computer; if board installed
but disabled in FBxConnect, can remain in low power mode
▪
Power control zone enabled
Table 2-5: Typical Power Usage – Standard Power Mode at room temperature
Description
Power Usage
(mW) at 6Vdc
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
230
245
287
Base flow computer with integral static
pressure sensor and temperature
measurement and a pulsed input for a
single meter run
244
260
305
Base flow computer with integral
multivariable DP and pressure sensor and
temperature measurement,
communicating to remote 4088B - dual
meter run (4088B externally powered)
278
306
373
Additional Load Options:
Display and backlight active
162
168
178
FBxWifi
189
185
200
FBxWifi and display active
204
207
221
DO active (1 Hz, 50:50 duty cycle, no load)
1
1
1
PI active (10 KHz, 50:50 duty square wave)
13
14
15
6-channel expansion I/O board installed
40
49
80
Ethernet enabled 100 Mbit
435
421
462
Ethernet active 100 Mbit
459
443
489