ABB RET670 - Optical Budget Calculation for Serial Communication with LON

Table 14: LON node information parameters
Parameter Range Default Unit Parameter description
NeuronID* 0 - 12 Not loaded - Neuron hardware identification number in
hexadecimal code
Location 0 - 6 No value - Location of the node
*Can be viewed on the local HMI
ADE settings are available on the local HMI under Main menu/Configuration/
Communication/Station communicaton/LON/ADE:1
Table 15: ADE Non group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation
TimerClass Slow
Normal
Fast
-
- Slow Timer class
LON commands are available on the local HMI under Main menu/Configuration/
Communication/Station communication/Port configuration/SLM optical LON pot/
Service Pin Messae/Generate service pin message
Table 16: LON commands
Command
Command description
ServPinMess Command with confirmation. Transfers the node address to the LON Network Tool.
7.2 Optical budget calculation for serial communication with
LON
Table 17: Example
Distance 1 km
Glass
Distance10 m
Plastic
Maximum attenuation -11 dB - 7 dB
4 dB/km multi mode: 820 nm - 62.5/125 um 4 dB -
0.3 dB/m plastic: 620 nm - 1mm - 3 dB
Margins for installation, aging, and so on 5 dB 2 dB
Losses in connection box, two contacts (0.75 dB/contact) 1.5 dB -
Table continues on next page
Section 7 1MRK 504 165-UUS -
Establishing connection and verifying the LON communication
68 Transformer protection RET670 2.2 ANSI
Commissioning manual