Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual page 1144

File Memory Instructions
Flags
Name Label
Error Flag ER
The following table shows relevant flags in the Auxiliary Area.
Name
Memory Card Type A34300 to
A34302
Memory Card Format A34307
Error Flag
File Read Error Flag A34310
File Missing Flag A34311
File Memory Operation A34313
Flag
Accessing File Flag A34314
Memory Card Detected A34315
Flag
EM File Format Starting A344
Bank
Operation
ON if the file memory specified in C does not exist.
ON if the settings in C are not within the specified range.
ON if the filename specified in S2 does not satisfy the
required conditions.
ON if the File Memory Operation Flag was ON.
ON if a constant was not specified for C (only for CS-
series CS1 CPU Units prior to V1@).
ON if data specified for S1 is out of range (all CPU Units
except for CS-series CS1 CPU Units prior to V1@).
ON if an illegal area is specified for D.
With the CS1D CPU Units: ON if the active and standby
CPU Units could not be synchronized.
OFF in all other cases.
Address
Contains a binary number indicating the type
of Memory Card, if any, that is installed.
(0: None, 4: Flash ROM)
ON when the Memory Card is not formatted or
a formatting error has occurred.
ON when a file could not be read because its
data was corrupted or if it contains the wrong
data type.
ON when data could not be read because the
specified file does not exist.
ON for any of the following:
The CPU Unit has sent a FINS command to
itself using CMND(490).
FREAD(700) or FWRIT(701) are being exe-
cuted.
The program is being overwritten using a con-
trol bit in memory.
A simple backup operation is being performed.
ON when file data is actually being accessed.
Use this flag as an execution condition to pre-
vent a file memory instruction from being exe-
cuted while another is in progress.
ON when a Memory Card has been detected.
Contains the starting bank number of the EM
Area that has been formatted for use as EM
file memory. Contains FFFF when none of the
EM Area has been formatted.
To convert the EM Area for use as file memory,
the PLC Setup's EM File Memory setting must
be set to 1 and the EM File Memory Starting
Bank (0 to C) must be set. All EM banks from
the starting bank to the last bank will then be
formatted for use as file memory.
Section 3-26
Operation
1105