Leds - Omron C200HW-PRM21 Operation Manuals

LEDs

5-4

LEDs

70
The Unit has six LEDs to visualise its status. The layout of the LEDs is shown
below.
The two LEDs on the left side (RUN, ERR) show the status of the Unit in
general. The four LEDs on the right side indicate the status of the
PROFIBUS-DP network.
The different states of the LED are listed in the table below. The following
flowchart describes the sequence in which the LEDs are turned ON or OFF.
In some states additional information is indicated by the status word IR n+2
and IR n+3. The flowchart and the table refer to this status word where
applicable.
Unit status LEDs
LED Colour
RUN Green
Flashing
ERR Red
Flashing
State Description
OFF Fatal error detected
Initialising the hardware / software
ON The Unit is initialised and no fatal error is
detected
OFF No errors
Non-fatal error due to incorrect Unit settings
Details in IR n+2.09, n+2.10
ON Fatal error.
Details in IR n+2, bits 06 through 08
Section 5-4