Toshiba GRL150-100 Series Instruction Manual page 116

Line differential relay
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• F u n c t i o n s
Setting the logic gate type and timer
• Select "Logic/Reset" to display the "Logic/Reset" screen.
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L o g i c
O R / A N D
R e s e t
I n s / D l / D w / L a t
• Enter 0(=OR) or 1(=AND) to use an OR gate or AND gate and press the ENTER key.
• Enter 0(=Instantaneous) or 1(=Delayed) or 2(=Dwell) or 3(=Latched) to select the reset timing
and press the ENTER key.
• Press the END key to return to the "BO ∗ " screen.
Note: To release the latch state, push the [RESET] key for more than 3 seconds.
Assigning signals
• Select "Functions" on the "BO ∗ " screen to display the "Functions" screen.
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I n
I n
I n
I n
T B O
• Assign signals to gates (In #1 to #4) by entering the number corresponding to each signal
referring to Appendix C. Do not assign the signal numbers 546 to 550 (signal names: "BO1
OP" to "BO5 OP"). And set the delay time of timer TBO.
Note: If signals are not assigned to all the gates #1 to #4, enter 0 for the unassigned gate(s).
Repeat this process for the outputs to be configured.
4.2.6.10 LEDs
Three LEDs of the GRL150 are user-configurable. A configurable LED can be programmed to
indicate the OR combination of a maximum of 4 elements, the individual statuses of which can be
viewed on the LED screen as "Virtual LEDs." The signals listed in Appendix B can be assigned to
each LED as follows.
CAUTION
When having changed the LED settings, must release the latch state on a digest screen by
pressing the RESET key for more than 3 seconds.
L o g i c / R e s e t
0
0
F u n c t i o n s
# 1
2 1
_
# 2
1 1
# 3
2 4
# 4
0
0 . 2 0
115
_
s
6 F 2 S 0 8 2 8

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Grl150-400 seriesGrl150-100a-10-10

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