ADR241B
Doc ID : ADR241B-DO_IM_01
Ref ID : ADR241B/IM/UG
Rev No.
: 06
Page No. : 151 of 272
8.1.3
LEDs
The ADR241B Relay is having 4 dual colour LED’s of high intensity for easy identification
of type of fault for easy user interface.
No
LED
Function
1.
L1
PROT.H /
ERROR
: User Programmable dual colour LED
Default Assignment
: GREEN LED – indicates Relay OK (Protection Healthy)
: RED LED – indicates internal hardware is Faulty
2.
L2
User programmable dual colour LED.
3.
L3
User programmable dual colour LED.
4.
L4
User programmable dual colour LED.
5.
L5
User programmable dual colour LED.
6.
L6
User programmable dual colour LED.
7.
L7
User programmable dual colour LED.
8.
L8
User programmable dual colour LED.
8.1.4
RS485 Port
RS485 Port is provided at the rear side of relay for permanent SCADA connectivity. Using
RS485 port the Fault data, Live Event and Disturbance Record can be downloaded.
8.1.5
USB Port
The USB port includes a USB full-speed function controller, USB transceiver, oscillator,
EEPROM, and asynchronous serial data bus (UART). No other external USB
components are required.
The USB Communication port is provided on front panel of relay. This is very useful for
downloading relay data and analysis it.
The USB port settings are fixed i.e. Parity : None and Baudrate : 57600.
For proper operation the user must select the proper communication port in the General
Setting.
Summary of Contents for ADR241B
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