Display Elements Devicenet; Led Status Display; Function Test Of The Status Leds - Burkert 8691 Manuel D'utilisation

11.13. display elements devicenet
11.13.1. l ed status display
Figure 39: LED display, DeviceNet
11.13.2. f unction test of the status leds
When voltage has been applied (connection of the network line), the following function test is run for the two-
colored device status LED and bus status LED:
• LED is briefly lit green (approx. 1/4 sec)
• LED is briefly lit red (approx. 1/4 sec)
• LED off
Then another function test is run during which the LEDs light up briefly
When the test is complete, the status LEDs indicate the device statuses which are described in the following
table.
Status of the bus LeD
led device status
No power supply /
Off
not online
Online, connection
Green
to master exists
Online, without
Flashes
connection to
green
master
52
Pilot valve LED (yellow)
Device status LED (two-colored: red/green)
Bus LED (two-colored: red/green)
explanation
• Device is not supplied with voltage
• Device has still not ended Duplicate
MAC ID Test (test lasts approx. 2 sec)
• Device cannot end Duplicate MAC ID
Test.
• Normal operating status with estab-
lished connection to the master
• Normal operating status without
established connection to the master
english
Type 8691
DeviceNet
Top LEDs
Status LED
(yellow)
troubleshooting
• Connect other devices, if the
device is the only network
subscriber,
• replace device
• Check baud rate
• check bus connection