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Manipulating Files Section 5-2
Verifying Backup Operations with Indicators
The status of the Memory Card Power (MCPWR) indicator shows whether a
simple backup operation has been completed normally or not.
MCPWR Indicator
(This example shows a
CS-series CPU Unit.)
Backup operation Normal completion
(See note 1.)
Error occurred
MCPWR status MCPWR status Error
Backing up data from the
CPU Unit to the Memory
Card
Lit → Remains lit while the
Memory Card Power Switch
is pressed. → Flashes once.
→ Lit while writing. → OFF
after data is written.
Lit → Remains lit while the
Memory Card Power Switch
is pressed. → Remains
flashing. → Lights when the
Memory Card Power Switch
is pressed.
No files will be created with
the following errors:
Insufficient Memory Card
capacity (See note 2.)
Memory error in CPU Unit
I/O bus error (when writing
data to a Unit or Board, CS1-
H or CJ1-H CPU Units only)
Restoring data from the
Memory Card to the CPU
Unit
Lit when power is turned ON.
→ Flashes once. → Lit while
reading. → OFF after data is
read.
Lit when power is turned ON.
→ Flashes five times. →
Goes OFF.
Data won’t be read with the
following errors:
Program in Memory Card
exceeds CPU Unit capacity
Required backup files do not
exist in Memory Card.
Program can’t be written
because it is write-protected
(Pin 1 of the DIP switch is
ON.)
Lit when power is turned ON.
→ Flashes once. → Lit while
reading. → Flashes three
times. → OFF after data is
read.
Caution: Data will be read
with the following error.
EM files and CPU Unit EM
banks do not match (non-
consecutive bank numbers
or max. bank number mis-
match).
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