Flow Computer

The central processing unit (CPU) of the flow computer is an NPX® Kinetis® K61 series CPU with an ARM® Cortex® M4 processor.
8 MB, holds current states of all variablesand historical archives.
SDRAM 128 MB
Flash 128 MB, holds firmware image and configuration files.
Type Real-time clock
Accuracy 0°C to −40°C 60 seconds/year
−40°C to 80°C 110 seconds/year
Watchdog Timer 1175 milliseconds
Battery voltage monitor, external voltage monitor, SRAM battery status
4-wire serial communications.
Software selectable for RS-232, RS-422, or RS-485 operation.