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ABB Substation Automation
Products and Systems
A
1
1MRS750613-MUM
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
REJ 513
READY
START
TRIP
C
Order
No: REJ513A 402-BAA
Uaux = 110-240 Vac
Software
No: 1MRS118012
Uaux = 48-220 Vdc
Serial
No: ER 000001
fn
= 50/60 Hz
In = 1/5 A (I)
Figure 1-1 Operation indicators
Green READY indicator
• Indicator off:
The auxiliary voltage supply to the relay has been disconnected.
• 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.
REJ 513
7
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