Optical Budget Calculation For Serial Communication With Lon - Hitachi RED670 Commissioning Manual

1MRK 505 378-UEN Rev. K
Some of these parameters can be viewed on the local HMI under Main menu /Configuration /
Communication /Station communication /Port configuration /SLM optical LON port /
LONGEN:1 .
Table 16:
Parameter
DomainID
SubnNetAddr*
NodeAddr*
*Can be viewed on the local HMI
Table 17:
Parameter
NeuronID*
Location
*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 18:
Name
Operation
TimerClass
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 19:
Command
ServPinMess
7.2 Optical budget calculation for serial communication
with LON
Table 20:
Maximum attenuation
4 dB/km multi mode: 820 nm - 62.5/125 um
0.3 dB/m plastic: 620 nm - 1mm
Margins for installation, aging, and so on
Table continues on next page
Line differential protection RED670
Commissioning manual
LON communication setting parameters
Range Default
0 0
0 - 255 0
Step: 1
0 - 127 0
Step: 1
LON node information parameters
Range Default
0 - 12 Not loaded
0 - 6 No value
ADE Non group settings (basic)
Values (Range) Unit
Off
On
Slow
Normal
Fast
LON commands
Command description
Command with confirmation. Transfers the node address to the LON Network Tool.
Example
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Establishing connection and verifying the LON communication
Unit Parameter description
- Domain identification number
- Subnet address
- Node address
Unit Parameter description
- Neuron hardware identification number in
hexadecimal code
- Location of the node
Step
- -
- -
Distance 1 km
Glass
-11 dB
4 dB
-
5 dB
Default Description
Off Operation
Slow Timer class
Distance10 m
Plastic
- 7 dB
-
3 dB
2 dB
Section 7
M11737-4 v2
63