interface, the Opto I/P can be assigned to any function from I/O configuration menu. The function can
be assigned to any input by entering the values to them either 0 or 1 i.e. 0 = not assigned and 1 =
assigned.
The following are the list of functions, which can be assigning to digital input.
Rem. Rst. Function used to reset Latch type output contact and LED indication
Function used to Initiate Breaker Fail
Function used to enable Group 2 setting
Ext Trip Function initiates the relay assigned for Gen. Trip to operate and trip the CB.
DR Trig Function used to trigger Disturbance Record
CB (52A) Status used to detect CB Close position
CB (52B) Status used to detect CB Open position
Function used to block tripping of O/C stage 1
Function used to block tripping of O/C stage 2
Blk I>3 Function used to block tripping of O/C stage 3
Blk I2>1 Function used to block tripping of NPS stage 1
Blk I2>2 Function used to block tripping of NPS stage 2
Blk I2>3 Function used to block tripping of NPS stage 3
Function used to block tripping of measured E/F stage 1
Function used to block tripping of measured E/F stage 2
Blk IN1>3 Function used to block tripping of measured E/F stage 3
Blk IN2>1 Function used to block tripping of derived E/F stage 1
Blk IN2>2 Function used to block tripping of derived E/F stage 2
Blk IN2>3 Function used to block tripping of derived E/F stage 3
Function used to block tripping of Thermal Overload
Function used to block tripping of Under Current
EmerRest Function used to restart motor in emergency condition.
Speed Sw Function used for detection of locked rotor condition
TCS Trig Status is used to monitor Trip Circuit Supervision
The digital inputs are suitable for accepting AC or DC auxiliary supply. The selection for AC or DC
auxiliary supply is done from submenu Opto I/P under SYSTEM DATA menu.
The DI can be selectable for different operating voltage (ordering option) depending on the application
requirement.
For details regarding the operating voltage and its threshold values, please refer to the Technical
Specification section of this manual.
2.6 Output Relays
The device supports 6 numbers of relay output. The use of these relay outputs depends on the
application. There are a number of settings associated with the relay outputs.
2.6.1 Output Relay Function Assignment
The relays have configurable logic outputs, which can be assigned to any available function. The logic
outputs are identified as RL1 to RL6. All logic outputs have changeover contacts and can be
configured to change state on activation of the different functions available in the relay. A basic output
matrix is included in the P50 Agile configurator. Different functions can be assigned by using P50
Configurator as well as relay user interface. On the user interface the output relays can be assigned
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