Software Function Principle; System Software - EDAN M3 Service Manual

start printing action.
Step Motor Drive Circuit
A step motor is used in the recorder to feed paper. This circuit is designed to drive the step motor.
Recorder Status Detect Circuit
Detect the status of the recorder and send the information to CPU System, including the position
of paper platen, whether there is paper, temperature of thermal head.
CPU System
Process printing data;
Control recorder and step motor;
Collect recorder status information and realize corresponding control;
Communicate with Main control board.

2.3 Software Function Principle

2.3.1 System Software

Parameter
measuring
Module
LUNIX
Core
User
input
M3 Vital Signs Monitor Service Manual
Parameter
Parameter
Para.
data
alarm
Data
analyse
analyse
Parameter
Classify/
process
GUI
Interface
responsion output/
control
Figure 2-7 System Function General Diagram
Display
output
Recorder
output
Alarm
control
Network
data
Send out
Analog
output
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Display
screen
Recorder
LUNIX
Core
Network
Alarm
indicator/
speaker
Analog
output