Rated values of the current and voltage inputs are basic setting parameters of the
protection relay. The binary input thresholds are selectable within the range 16…176
V DC by adjusting the binary input setting parameters.
See the installation manual for more information about the case and
the plug-in unit.
The connection diagrams of different hardware modules are presented in this manual.
Table 3: Number of physical connections in configurations
Conf. Analog channels Binary channels
CT VT BI BO
A 4 1 3(9)
1)
6(9)
1)
B 4 - 4(10)
1)
6(9)
1)
C 4 4 8 6
1) With optional BIO module
2.4 Local HMI
The LHMI is used for setting, monitoring and controlling the protection relay. The
LHMI comprises the display, buttons, LED indicators and communication port.
Section 2 1MRS757456 D
REF611 overview
14 REF611
Application Manual
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