5: S
PECIAL
F
UNCTIONS
FC5A M
ICRO
S
MART
U
SER
’
S
M
ANUAL
FC9Y-B1268
5-49
RUN LED Flashing Mode
The RUN LED flashing mode has been added to the MicroSmart CPU modules. The internal status of the MicroSmart CPU
module can be seen with the flashing status of the RUN LED. The RUN LED flashes slowly or quickly according to the sta-
tus of the MicroSmart as shown below.
The RUN LED flashing mode can be used with the CPU module system program version 200 or higher. This setting is
always enabled in the FC5A-D12K1E and D12S1E.
RUN LED status
Description
Slow Flash (1-sec interval)
Test program has been downloaded to the MicroSmart but not been confirmed nor canceled
during the online editing.
Timer/counter preset values have been changed but not been confirmed nor canceled.
Quick Flash (100-ms interval)
During the user program in the RAM of the MicroSmart is written to the EEPROM.
Notes:
RUN LED flashes when inputs/outputs are forced on/off regardless of the RUN LED flashing mode setting. See page 5-72.
While RUN LED flashes quickly, do not shut down the CPU module. Otherwise, a fatal error may occur such as user program writing
error.
Programming WindLDR
1.
From the WindLDR menu bar, select
Configuration
>
Self Diagnostic
.
The Function Area Settings dialog box for Self Diagnostic appears.
2.
Click the check box to enable the RUN LED flashing mode.
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