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Manipulating Files Section 5-2
Procedure
1,2,3... 1. Turn OFF the PLC power supply.
2. Turn ON DIP switch pin 2 on the front panel of the CPU Unit. Be sure that
pins 7 and 8 are both OFF.
Note The simple backup function will take precedence over the automat-
ic transfer at startup function, so be sure that pins 7 and 8 are OFF.
3. Insert a Memory Card containing the user program file (AUTOEXEC.OBJ),
parameter area file (AUTOEXEC.STD), and/or the I/O memory files (AU-
TOEXEC.IOM, ATEXECDM.IOM, and ATEXECE@.IOM) created with a
CX-Programmer. (The program file and parameter area file must be on the
Memory Card. The I/O memory files are optional.)
4. Turn ON the PLC power supply.
Note Automatic Transfer Failure at Startup
If automatic transfer fails at startup, a memory error will occur, A40115 will
turn ON, and the CPU Unit will stop. If an error occurs, turn OFF the power to
clear the error. (The error cannot be cleared without turning OFF the power.)
DIP Switch on the Front
Panel of the CPU Unit
CPU Unit
I/O memory
Parameter
data
User program
Write at startup
Front panel DIP switch pin 2 ON
Memory Card
• User program file (AUTOEXEC.OBJ) - Re-
quired
• Parameter area file (AUTOEXEC.STD) -
Required
• I/O memory file (AUTOEXEC.IOM, ATEX
ECDM.IOM, ATEXECE@.IOM) - Not re-
quired
Pin(s) Name Setting
2 Automatic transfer at
startup pin
ON: Execute automatic transfer at startup.
OFF: Do not execute automatic transfer at startup.
7 and 8 Simple backup pins Turn OFF both pins.
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