1MDU07212-YN Rev. A
Section 5
5.1
5.1.1
REF601 / REJ601
Application Manual
Use of LHMI
Overview
Figure 5:
Local HMI of relay REF601/REJ601
The local HMI of the relay contains following elements:
LED indicators
LCD display
Navigation buttons / keys
The LHMI is used for setting, monitoring and controlling.
LED's
LED's displays following information respective status
Ready:
Green LED
Start:
Yellow LED
Trip:
Red LED
Trip Ip
Red LED
Trip Io
Red LED
TCS Fault Red LED
For reset of LED's use key combination
lights after any start of a protection function
lights after any trip of protection function
lights after trip of phase overcurrent function
lights after trip of neutral overcurrent function
lights at detected failure of trip circuit
Section 5
Use of LHMI
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