Publication 1766-RM001A-EN-P - October 2008
540
LCD - LCD Information
after downloading program. You can check the ERR and ERN to see if the
POT value is modified or not. The POT0 operation described above is
identical to POT1.
Instruction Display Window (WND)
WND is set when LCD menu is in U-DISP. The controller also notifies this
status to LCD screen as U-DISP status.
OK key in Customized Display (OK)
OK is set when OK key is pressed. This bit should be cleared so as to get
the next key input. Because once OK key is pressed, this bit is set and
latched until it is cleared by manually. This OK bit is very useful for LCD
instruction. You can use this bit as any input of ladder logic when you
program with several LCD instructions.
ESC key in Customized Display (ESC)
Feature
Address
Data Format
Type
User Program
Access
WND - Instruction
Display Window
LCD:0/WND
binary (bit)
status
read-only
Feature
Address
Data Format
Type
User Program
Access
OK - OK key in
Customized Display
LCD:0/OK
binary (bit)
status/
control
read/write
NOTE
OK bit is presented for handy interface to LCD instruction and keypad, so it
is just updated in U-DISP screen.
Feature
Address
Data Format
Type
User Program
Access
ESC - ESC key in
Customized Display
LCD:0/ESC
binary (bit)
status/
control
read/write
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