ADR141A /
Ref ID : ADR241A/IM/PLF
Rev No. : 02
• Expected fault current magnitudes for ground and three-phase Faults
4.3 General Settings
Communication setting (for ADR241A only)
The Communication settings of ADR241A IED is listed below which is necessary for the
communication between the IED and Personal computer.
Table1. The Communication settings
Sr. No. Setting Parameters Setting ranges
1. Unit ID 0001 - 0250
2. Com Port USB/ RS485
3. Set RP Parity None/Even/Odd
4. Set RP Baud rate 2400/4800/9600/14400/19200/28800/38
400/57600
To establish the proper communication between the IED and Relay Talk software through
the Computer, the above settings must be set the same in the Relay Talk software as well as
in the IED.
CT Primary and Secondary Settings
The Current transformer setting is required to set for perfect scaling for current
measurement. The primary and secondary values of current settings are set in the IED as
given below table.
Table 2. The CT Primary and Secondary Settings
Sr. No. Setting Parameters Setting ranges
1. CT Secondary 1A/5A
2. CT Primary 10A to 5000 A
The above settings are have to be set based on the Electrical power system parameters to
establish the proper measurement of current in the IED.
Test Block Setting
A Local Control parameter setting is provided with Enable or Disable option. This is used to
operate the relay locally by issuing the CB Trip command through the relay HMI when it is
enabled.
To Next Page
Loading...
