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22
1769-L31 CompactLogix™ Controller
RS-232 serial port LEDs (channel 0 and 1)
Indicator:
Color:
DCH0
off
solid green
CH0
off
flashing green
CH1
off
flashing green
CompactFlash card LED
ATTENTION
Indicator:
Color:
CF
off
flashing green
flashing red
Publication 1769-IN069A-EN-P - March 2004
Description:
Channel 0 is configured differently than the default serial configuration.
Channel 0 has the default serial configuration.
No RS-232 activity.
RS-232 activity.
No RS-232 activity.
RS-232 activity.
Do not remove the CompactFlash card while the controller is
reading from or writing to the card, as indicated by a flashing
green CF LED. This could corrupt the data on the card or in the
controller, as well as corrupt the latest firmware in the controller.
Description:
No activity.
The controller is reading from or writing to the CompactFlash card.
CompactFlash card does not have a valid file system.
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