ABB RELION RET670 Applications Manual page 943

1MRK 504 163-UUS A
Transformer protection RET670 2.2 ANSI
Application manual
Wavelength
Transmitted power
Receiver sensitivity
The LON Protocol
The LON protocol is specified in the LonTalkProtocol Specification Version 3 from
Echelon Corporation. This protocol is designed for communication in control networks
and is a peer-to-peer protocol where all the devices connected to the network can
communicate with each other directly. For more information of the bay-to-bay
communication, refer to the section Multiple command function.
Hardware and software modules
The hardware needed for applying LON communication depends on the application,
but one very central unit needed is the LON Star Coupler and optical fibres connecting
the star coupler to the IEDs. To interface the IEDs from the MicroSCADA with Classic
Monitor, application library LIB520 is required.
The HV Control 670 software module is included in the LIB520 high-voltage process
package, which is a part of the Application Software Library in MicroSCADA
applications.
The HV Control 670 software module is used for control functions in the IEDs. The
module contains a process picture, dialogues and a tool to generate a process database
for the control application in MicroSCADA.
When using MicroSCADA Monitor Pro instead of the Classic Monitor, SA LIB is used
together with 670 series Object Type files.
The HV Control 670 software module and 670 series Object Type files
are used with both 650 and 670 series IEDs.
Use the LON Network Tool (LNT) to set the LON communication. This is a software
tool applied as one node on the LON bus. To communicate via LON, the IEDs need to
know
• The node addresses of the other connected IEDs.
• The network variable selectors to be used.
This is organized by LNT.
Glass fibre
820-900 nm
-13 dBm (HFBR-1414)
-24 dBm (HFBR-2412)
Section 21
Station communication
Plastic fibre
660 nm
-13 dBm (HFBR-1521)
-20 dBm (HFBR-2521)
M14804-32 v2
M14804-35 v4
937