Burkert 8681, Operating Instructions Manual, Page: 141 / 166

141
LED Colour Assignments
21.1.4 Valve mode + Errors
The device status LED (Top LED) display the position feedback (S1, S2, S3) of the process valve and the
feedback S4IN from the external initiator as well as error messages. The position feedback is displayed as
shown below in “Table 11” .
If an error (i.e. internal error, bus error, error with manual or automatic Teach function, positions measuring
sys tem signal error) occurs, this is also displayed alternately according to the scheme:
1 second position feedback / 1 second error display.
Position Process valve
position, e.g.:
Colour Flashing pattern of the
position feedback
Fault indication
S1 closed green *) continuously lit is lit red alternating with colour
from S1
S2 open yellow *) continuously lit is lit red alternating with colour
from S2
S3 cycle stroke green *) continuously flashing slowly **)
(250 ms ON, 250 ms OFF)
is lit red alternating with colour
from S3
S4IN ext. Initiator,
active
green *) continuously flashing quickly **)
(125 ms ON,125 ms OFF)
is lit red alternating with colour
from S4IN
If there is no position feedback (S1 to S4IN), i.e. the process valve is in intermediate positions of the
defined teach points, the Top LED is off *) ***) .
Table 11: Description of the colours and flashing patterns in “valve mode + errors” display mode
*) Factory settings (other selectable colours for S1 to S4IN and also for the intermediate positions:
white, green, blue, yellow, orange, red, (Top) LED off)
**) Factory settings (other selectable flashing patterns are: [continuously lit], [125 ms ON + 125 ms OFF],
[250 ms ON + 250 ms OFF])
***) Flashing pattern for the selected colour for the intermediate positions: continuously lit (alternating with
possible error messages)
For IO-Link devices:
The information required for configuration can be found in the IODD object description under object “LED
modi” (0x2120).
For büS/CANopen devices:
This display mode can be configured by software as of firmware revision B.02.00.00 (DIP 1 to 6: 111110) or
can be fixed using DIP switches (DIP 1 to 6: 101110) – see “Table 6” on page 137.
english
Control Head Type 8681