Burkert 8681, Operating Instructions Manual, Page: 144 / 166

144
LED Colour Assignments
21.2.2 Feedback in case of errors / warnings
If the position feedback in normal operation and error/warning displays occur at the same time, these are
not displayed at all for some display modes or alternately for other display modes – as shown in the fol-
lowing “Table 14” .
Display mode Position
feedback
Errors ( E )+
warnings ( W )
Special characteristics
“Device specific”
(“8681 Classic”)
yes yes Simultaneous display for the classic designs
(24 V DC, 120 V AC, AS-i, DeviceNet)
Alternating display for IO-Link and büS/
CANopen:
2 seconds position feedback (see “21.3.2”) /
2 seconds error/warning display (see “21.3.1”)
NAMUR no yes only device status displays - see chapter “21.1.2”
Valve mode yes no see chapter “21.1.3” and “21.3.2”
Valve mode + errors yes yes
( E rrors)
alternately:
1 second position feedback (see “21.3.2”) /
1 second error display – see chapter “21.3.1”
Valve mode +
warnings
yes yes
(
E
rrors +
W
arnings)
alternately:
1 second position feedback (see “21.3.2”) /
1 second error/warning display – see “21.3.1”
“Fixed colour” no no Selected colour displayed permanently – see
chapter “21.1.6”
“LED off” no no no displays
Table 14: Display behaviour of the different display modes with regard to position, error, warning
In addition to the position feedback ( see chapter “21.2.1 Position feedback in normal operation” on page
143 ), the errors and the device status in the various display modes are also indicated by means of different
flashing patterns - see the following “Table 15” .
english
Control Head Type 8681