576
Basic Operation
Section 11-5
11-5 Basic Operation
11-5-1 Startup
According to the operation status of the LCD Option Board, it will display dif-
ferent screens when the CPU Unit power is turned ON.
Normal Startup
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
Startup Failure
• 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
Note
If the LCD Option Board receives no response from the CPU Unit within 3
seconds during operation, it will also display NG 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
a
b
c
d
Summary of Contents for CP1L-EL20DR-D
Page 3: ...CP1L EL20D CP1L EM30D CP1L EM40D CP1L EL EM CPU Unit Operation Manual Produced July 2017...
Page 4: ...iv...
Page 10: ...x...
Page 22: ...xxii...
Page 34: ...xxxiv Software Licenses and Copyrights 7...
Page 192: ...158 Trial Operation and Debugging Section 5 3...
Page 250: ...216 Automatic Clock Adjustment and Specifying Servers by Host Name Section 6 7...
Page 666: ...632 Trouble Shooting Section 11 7...
Page 696: ...662 Standard Models Appendix A...
Page 805: ...771 Connections to Serial Communications Option Boards Appendix F Connecting to Unit...
Page 806: ...772 Connections to Serial Communications Option Boards Appendix F...
Page 836: ...802 PLC Setup Appendix G...
Page 838: ...804 TCP Status Transitions Appendix H...
Page 840: ...806 Ethernet Network Parameters Appendix I...
Page 842: ...808 Buffer Configuration CP1L EL EM Appendix J...
Page 844: ...810 Ethernet Specifications Appendix K...
Page 851: ...Index 817 work words 118 write protection 447...
Page 852: ...818 Index...
Page 854: ...820 Revision History...
Page 855: ......