Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 7)

1-1
IM 04L31A01-01E
Principles of Operation
1
Chapter 1 Principles of Operation
1.1 Block Diagram of the CX1000/CX2000
Block Diagram of the CX1000
Data storage functions Control/Measurement
Input section
Calculation function
Measurement Alarm function
Communication function
(optional)
Input terminal
Scanner assembly
A/D assembly
CPU
External storage
Internal memory
Display unit
Remote function
Measurement Alarm Relay (optional)
Control Output section
Control Output
Contact Input
Contact Output
Control Alarm function
Block Diagram of the CX2000
Data storage functions
Measurement Input section
Calculation function
Measurement Alarm function
Communication function
(optional)
Input terminal
Scanner assembly
A/D assembly
CPU
External storage
Internal memory
Display unit
Remote function
Measurement Alarm Relay
(optional)
Control Input section
Input terminal
Scanner assembly
A/D assembly
Control Output section
Control Output
Contact Input
Contact Output
Transmitter power supply (optional)
Control - purpose DIO (optional)
VGA out function (optional)
Control Alarm function
Refer for details see schematic diagram page 6-1 and 6-2.