ABB Relion 620 Series, Руководство по применению

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Section 3
RER620 application
RER620 29
Application Manual
3.3 Functional diagrams
The functional diagrams describe the default input, output, alarm LED and function to
function connections. The default connections can be viewed with ACT and changed
according to the application requirements, if necessary.
The analog channels, measurements from CTs and CVTs/ PTs, have fixed connections to
the different function blocks inside the relay’s default configuration.
RER620 offers six different settings group which the user can set based on individual
needs. Each group can then, be activated/ deactivated by using the programmable button
offered in the front panel of the unit. In addition to this the programmable button can also
be used for enabling/disabling switch mode, hot line tag, sensitive earth fault detection.
Figure 9 shows the default mapping for the available programmable buttons. Figure 10
shows the default mapping for the remote blocking features.