Checking optical connections........................................................... 53
Section 5 Configuring the IED and changing settings....................55
Overview...........................................................................................55
Configuring analog CT inputs........................................................... 56
Reconfiguring the IED...................................................................... 56
Section 6 Establishing connection and verifying the SPA/IEC
communication............................................................... 59
Entering settings...............................................................................59
Entering SPA settings..................................................................59
Entering IEC settings...................................................................59
Verifying the communication............................................................ 60
Verifying SPA communication..................................................... 60
Verifying IEC communication...................................................... 60
Fibre optic loop................................................................................. 61
Optical budget calculation for serial communication with SPA/IEC .61
Section 7 Establishing connection and verifying the LON
communication............................................................... 63
Communication via the rear ports ....................................................63
LON communication.................................................................... 63
The LON Protocol........................................................................64
Hardware and software modules.................................................64
Optical budget calculation for serial communication with LON ........66
Section 8 Establishing connection and verifying the IEC 61850
communication............................................................... 67
Overview...........................................................................................67
Setting the station communication....................................................67
Verifying the communication............................................................ 68
Section 9 Testing IED operation.....................................................69
Preparing for test.............................................................................. 69
Requirements.............................................................................. 69
Preparing the IED to verify settings............................................. 71
Activating the test mode................................................................... 72
Preparing the connection to the test equipment............................... 72
Connecting the test equipment to the IED........................................73
Releasing the function to be tested.................................................. 74
Verifying analog primary and secondary measurement................... 75
Testing the protection functionality................................................... 76
Forcing of binary I/O signals for testing............................................ 77
Forcing concept........................................................................... 77
How to enable forcing..................................................................77
Table of contents
2 Line distance protection REL670 2.1 IEC
Commissioning manual
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