Emerson FB1200 Flow Computer Instruction Manual
D301782X012
March 2019
Introduction 7
1.6 I/O
The flow computer comes with base I/O from both the CPU and the built-in multi-variable (MV)
sensor. Base I/O consists of:
▪
Pressure (P) input from the MV sensor, differential pressure (DP) input from the MV sensor,
connections for temperature (T) input from a customer-supplied RTD or a single static
pressure sensor.
▪
Two on-board I/O channels that you can individually configure as digital input (DI), digital
output (DO), or pulse input (PI)
▪
Two on-board I/O channels that you can individually configure as either analog input (AI) or
analog output (AO)
An optional 6-channel expansion I/O board includes:
▪
Four I/O channels that you can individually configure as digital inputs (DI), digital outputs
(DO), or pulse inputs (PI)
▪
Two I/O channels that you can individually configure as either analog inputs (AI), or analog
outputs (AO)
Table 1-2: FB1200 Flow Computer I/O Configurations
1.7 Power Options
You can power the flow computer using an external DC input, an internal battery, or an internal
rechargeable battery connected to a solar panel.
Important
Use only batteries supplied with the flow computer or sold by Emerson Remote Automation
Solutions as spare parts for this flow computer. If you substitute a battery you obtain elsewhere you
void your certification unless it is the identical part from the same manufacturer as that supplied
with the flow computer from Emerson.
Table 1-3: Power Options
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