10 CPU Unit Functions
10-30
CJ2 CPU Unit Software User’s Manual
• EM Area:
z Performing Automatic Transfer at Startup
1 Turn OFF the PLC.
2 Turn ON pin 2 on the DIP switch on the front of the CPU Unit.
The simple backup will operate if pin 7 is ON. Be sure it is set to OFF.
3 Mount the Memory Card in the CPU Unit with the required files already stored.
4 Turn ON the PLC.
Automatic transfer at startup will start, and the BUSY indicator will flash yellow. The BUSY indi-
cator will turn OFF when transfer has been completed. If automatic transfer at startup fails, a
card transfer error will occur, and CPU Unit operation will stop.
z DIP Switch on Front of CPU Unit
z Auxiliary Area Flags and Words
Switch pin number Name Setting
2 Automatic transfer at
startup
ON: Perform automatic transfer at startup
OFF: Do not perform automatic transfer at startup
Name Address Description
Card Transfer Error Flag
(fatal error)
A401.03 Turns ON when automatic transfer at startup from the
Memory Card fails. CPU Unit operation will stop, and the
ERR/ALM indicator on the front of the CPU Unit will light.