84
UMG 508
Possible errors
No connection to
device.
The device does not
work despite taking
the above measures.
Cause
RS485:
- Wrong device address.
- Different bus speeds
- Wrong protocol.
- Termination is missing.
Ethernet:
- IP address is wrong
Device is defective.
Remedy
Set device address.
Check and correct the speed
(baudrate)
Select protocol.
Connect bus with terminating resistor
(120 Ohm).
Set IP address on the device.
Send the device to the manufacturer to
check with an exact description of the
error.
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