Hardware Description: Basic System
The Main Board
Thermo Fisher Scientific
AutoPILOT PRO Flow Computer User Guide 2-11
Typical configuration switch settings for various inputs are shown in the
table below.
Table 2–7. Typical switch configurations
Input Type
Switch Positions Set to ON
Slot sensor
2, 3, 6
Magnetic
1, 5
Contact closure
2, 4, 6, 7
The main board provides one RS232 compatible local communication port
(TB8) for calibration and configuration of the unit using a laptop and
Thermo Scientific configuration software. Connection is made through the
CHIT connector mounted in the bottom of the flow computer enclosure.
Thermo Fisher manufactures optional cable assemblies for this connection.
They are listed below.
Table 2–8. Cable assemblies for CHIT connector
Assembly P/N
Description
3-0446-090
DB9S connecter with 15-ft cable for use with the six-position connecter
3-0446-090B
DB9S connecter with 25-ft cable for use with the six-position connecter
The TB13 output is designed to provide DC power for a Bluetooth
wireless module and will be available in the future. Both ports are
controlled through software.
The main board provides a +12 V power source for wireless
communication devices. The TB12 output is designed to provide DC
power for wireless radio. Based on the system specification, the voltage
range is 10–12 Vdc. The port can support 1 A current for three to five
minutes of continuous radio transmission. Go to
for more on
radio options.
Local Serial
Communication Port
Radio Power Supply
Output
