
Document No.: E20-018-00
4
I/O board
RS-422
communication
conversion circuit
board EC11
CPU board
OPR board
Switching power
supply
Indicators and buttons
3.
COMPONENT NAMES
3.1.
Names of Indicators and Buttons
3.2.
Layout and Names of Internal Circuit Boards
Data
Blow
Normal
Caution
BP
–
TERMINAL
Display
“Data” button
“Blow” button
Status lamps
▲/▼ buttons