Led Status Display - Burkert 1066 Instructions De Service

I C
NSTALLATION AND OMMISSIONING

LED Status Display

The device status will be indicated by 2 LEDs ("Power" and "MNS").
Name of the LED
POWER
MNS
Status of the MNS LED
Once electrical power has been applied (connection of the network line), the following functional tests of
the two-coloured MNS LED are carried out:
• LED lights up green for a short time (ca. ¼ s).
• LED lights up red for a short time (ca. ¼ s).
• LED dark.
Once the functional tests have been completed, the MNS LED can indicate the device status as shown in
the table below.
LED
Device status
state
No power /
Dark
not online
On-line, connection
Green
to Master exists
On-line, no
Green
connection to
blinking
Master
Red Connection
blinking time-out
Red Critical fault
28 - 1066
Type / Colour Function
Single-colour, green LED lit up: device has electrical power
Two-colour, Corresponds to MNS-LED according to DeviceNet
red / green specification (MNS Module Network Status)
Explanation / Correction of problem
- No power supply to device.
- Device has not yet finished the duplicate MAC ID Test (test lasts approx. 2s).
- Connect additional devices if the device is the only network participant.
- Replace the device.
- Normal operational status with connection made to Master.
- Normal operational status without connection made to Master.
- One or more connections are in the Time-Out state.
- Make new connection via the master to ensure that the I/O data will by
transmitted cyclically.
- Another device with the same MAC ID in the network > change MAC ID and
restart.
- BUS OFF as a result of communication problems.
- Check the baud rate: replace the device if necessary.