Lcd Option Board Startup; Startup Failure; Basic Operation - Omron CP1L-EL20DR-D Operation Manual

Basic Operation

11-5 Basic Operation
11-5-1 Startup
Normal Startup

Startup Failure

Note
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According to the operation status of the LCD Option Board, it will display dif-
ferent screens when the CPU Unit power is turned ON.
When the CPU Unit power is turned ON, the LCD Option Board will initialize
hardware and check EEPROM, then check communication between the LCD
Option Board and the CPU Unit. If startup is normal, LCD will display Clock
Screen as shown below.
Clock Screen
No. Description
a Type of the CPU Unit
b Date of the CPU Unit
c Time of the CPU Unit
d Week abbreviation of the CPU Unit
• If EEPROM is faulty, LCD will display EEPROM Error Screen and the red
backlight will blink. Refer to 11-7 Trouble Shooting.
EEPROM Error Screen
• If the communication between the LCD Option Board and the CPU Unit
has failed, LCD will display NG screen. Refer to 11-7 Trouble Shooting.
NG Screen
If the LCD Option Board receives no response from the CPU Unit within 3
seconds during operation, it will also display NG screen.
a
b
c
d
Section 11-5