ABB RELION REX640 Technical Manual page 280

Protection and control

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Table of Contents

Basic functions

Depending on the connected I3P channels to the current switch, the

current settings between the source I3P must match. Depending on the connected

IRES channels, the

match. Setting validation for the primary current fails unless they are all stored

simultaneously to the protection relay.

Table 267: CMSWI Input signals

Table 268: CMSWI Output signals

CMSWI Monitored data

Table 269: CMSWI Monitored data

Primary current settings between the source IRES must

Values (Range)

Three-phase currents

Residual current 1

Residual current 2

Residual current 3

Residual current 4

Switch to source 2

Switch to source 3

Switch to source 4

Selected current source is source 1

Selected current source is source 2

Selected current source is source 3

Selected current source is source 4

Three-phase currents

Residual current

1MRS759142 F

Switch position

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