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REU 513
A
1.
8
User's Guide
Operator's instructions
Operation indicators
The function of the relay can be monitored with the help of three indication LEDs
on the relay front panel.
Network Partner
READY
START
Order
No: REU513A 405-BAA
Uaux = 110-240 Vac
Software
No: 1MRS118017
Uaux = 48-220 Vdc
Serial
No: ER 000001
fn
= 50/60 Hz
Fig. 1.-1 Operation indicators
Green READY indicator
• Indicator off:
The auxiliary voltage is not available.
• Lit indicator:
The relay is in normal operation, i.e. the CPU operates, no internal faults have
occurred, and auxiliary voltage is available to the relay.
• Blinking indicator:
The internal self-supervision system has detected an internal relay fault (IRF).
The output contact of the self-supervision system operates.
REU 513
TRIP
C
Un = 100-120 V
ABB Substation Automation
Products and Systems
1MRS750886-MUM
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