Emerson FB2100 - Central Processing Unit (CPU); Memory; Inputs & Outputs (I;O)

FB2100 Flow Computer Instruction Manual
D301783X012
November 2023
6 Introduction
Figure 1-3. FB2100 Flow Computer – No Integral Sensor Version
1.4. Central Processing Unit (CPU)
The flow computer’s CPU is a NXP
®
Kinetis
®
K61 series CPU with an ARM
®
Cortex
®
M4
processor that operates at 4 to 60 MHz depending on the power mode. The CPU runs the
Micrium operating system.
1.4.1. Memory
The flow computer includes both static and flash memory.
Table 1-1. Memory
Memory
Usage
8 MB SRAM
Holds in-use configuration, current state of all
variables
128 MB Flash
Holds firmware image, historical logs, configuration
backup (if saved to flash), and the executing program
1.5. Inputs & Outputs (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: