PT300, Service Manual
Rev B, October, 2000
8
Figure 1 Block Diagram
Power Supply Battery
Low Battery Sensor
On Off
Lamp
Lb/Kg
Zero
Hold/Rel
Total/Local
Print
Switches
Input
Buffer
Micro
Controller
Display
Serial
Output
12v
Serial
Input
Receiver
Loadcells
Summing
Board
Analog/Digital
Input
Input
Output
Connector
