Physical Hardware - ABB RELION 630 Series Applications Manual

1MRS756785 G
2.3
REM630
Application Manual
• Positive-sequence overvoltage protection
• Positive-sequence undervoltage protection
• Negative-sequence overvoltage protection
• Stabilized differential protection for motors
• Additional functions for synchronous motor
• Reverse power/directional overpower protection
• Three-phase underexcitation protection
• Rotor E/F protection

Physical hardware

The mechanical design of the IED is based on a robust mechanical rack. The HW
design is based on the possibility to adapt the HW module configuration to different
customer applications.
Table 2: IED contents
Content options
LHMI
Communication and 1 electrical Ethernet connector for the detached LHMI module (the connector
CPU module must not be used for any other purpose)
1 Ethernet connector for communication (selectable electrical or optical
connector)
IRIG-B (external time synchronization) connector
1 fibre-optic connector pair for serial communication (selectable plastic or
glass fibre)
14 binary control inputs
Auxiliary power/binary 48-125 V DC or 100-240 V AC/110-250 V DC
output module
Input contacts for the supervision of the auxiliary supply battery level
3 normally open power output contacts with TCS
3 normally open power output contacts
1 change-over signalling contact
3 additional signalling contacts
1 dedicated internal fault output contact
Analog input module 4, 7 or 8 current inputs (1/5 A)
4, 3 or 2 voltage inputs (100/110/115/120 V)
With 4 current inputs (1/5 A) also max. 1 accurate current input for sensitive
earth fault protection (0.1/0.5 A)
Table continues on next page
Section 2
REM630 overview
15