Doc ID : ADR111A_IM_01
Ref ID : ADR111A/IM/UG
Rev No. : 04
Page No. : 89 of 127
ADR111A /
ADR211A
NOTE: At the time of setting if changes are not carried within 100s then the display will reset itself
and return to the main menu.
8.1.3
LEDs
The ADR111A/ ADR211A 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.
ON /
ERROR
: Green LED indicates Relay OK.
: Red LED indicates internal error.
2.
PKP /
HF
: Green LED indicates Relay pickup.
: Red LED indicates instantaneous trip.
3.
FAULT
: Red LED indicates FAULT, Hand Reset (HR) Type.
4.
TRIP /
BF
: Green LED indicates Trip command is being executed.
: Red LED indicates Breaker Failure.
8.1.4
RS422 / RS485 Port (For ADR211A)
RS422 / RS485 Port is provided at the rear side of relay for permanent SCADA
connectivity. Using RS422 / RS485 port the Fault data, Auxiliary Status and online
measurement can be viewed.
Note: The RS422 4 wire (Tx+, Tx-, Rx+, Rx-) communication port can be used as RS485 2 wire
(D+, D-) by shorting terminal A5 & A7 used as D+ and A6 & A8 used as D-.
8.1.5
USB Port (For ADR211A)
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.
For proper operation the user must select the proper communication port in the Relay
Setting.
Summary of Contents for ADR111A
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