Standard Power Mode - Emerson FB1200 Instruction Manual

Emerson FB1200 Flow Computer Instruction Manual
D301782X012
March 2019
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:
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Table 2-5: Typical Power Usage – Standard Power Mode at room temperature
Description
Base flow computer with integral
multivariable DP and pressure sensor and
temperature measurement for a single
meter run
Base flow computer with integral static
pressure sensor and temperature
measurement and a pulsed input for a
single meter run
Base flow computer with integral
multivariable DP and pressure sensor and
temperature measurement,
communicating to remote 4088B - dual
meter run (4088B externally powered)
Additional Load Options:
Display and backlight active
FBxWifi
FBxWifi and display active
DO active (1 Hz, 50:50 duty cycle, no load)
PI active (10 KHz, 50:50 duty square wave)
6-channel expansion I/O board installed
Ethernet enabled 100 Mbit
Ethernet active 100 Mbit
30
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
Power Usage Power Usage
(mW) at 6Vdc (mW) at 12Vdc
230 245
244 260
278 306
162 168
189 185
204 207
1
13 14
40 49
435 421
459 443
Power Usage
(mW) at 24Vdc
287
305
373
178
200
221
1 1
15
80
462
489
Installation