Omron CX-PROCESS TOOL V5.2 - REV 10-2010 Operation Manual page 281

Downloading, Uploading and Comparing Data
Note If an error occurs, the following dialog box will appear and downloading will not
be possible.
The error message will appear with an error code or a communications time-out
notice. The probable cause can be determined from the error code.
Error code
0503
0202
0401
0101
110C
Communications
time-out
4. Click the Start Button. A bar will appear and show the progress of data
downloading. The following dialog box will appear on completion of data
downloading.
5. The box will be closed automatically when processing is completed.
Note 1. After the data in an LCU/LCB element in the function block file is down-
loaded, the Loop Controller will stop operating. The Loop Controller will not
stop operating if function blocks are downloaded. To start the Loop Control-
ler again, select Operation and Run/Stop Command from the Execute
Menu. Then select Hot Start or Cold Start from the Run/Stop Command
Dialog Box or turn the PLC OFF and ON. When the PLC is turned OFF and
Probable cause
Serial communications have not been initialized.
Unit address setting error. The unit address is not for a Loop
Controller.
No I/O tables have been created.
Node address setting error (i.e., the address set is not 01 for
Host Link communications).
The baud rate in the Controller Link does not match.
The number of step ladder program instructions per LCU/LCB
element exceeds 4,000.
Even though ITEM 059 in the Loop Controller's System
Common block (block model 000) is set to 0 to enable using
the HMI, the EM Area bank specified in ITEM 050 (EM Area
bank to allocate to HMI) cannot be used because the specified
bank does not exist in the CPU Unit or the specified bank has
been converted to file memory.
The CPU Unit is not in Host Link serial communications mode
or the CPU Unit's communications conditions are wrong. (DIP
switch settings or PLC Setup settings are wrong.)
Section 4-3
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