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Setting the logic gate type and reset
•
Press 1 to display the "Logic gate type and reset" screen.
/ 4 L o g i c g ate type & reset 1 / 2
L o g i c 1 = O R 2 = A N D 1
R e s e 0 = I n s t t1=La 1
t c h
• Enter 1 or 2 to use an OR gate or AND gate and press the
ENTER
key.
• Enter 0 or 1 to select “Instantaneous reset” or “Latch reset” and press the
ENTER
key.
• Press the
END
key to return to the "Setting" screen.
Note: To release the latch state, refer to Section 4.2.1.
Assigning signals
•
Press 2 on the "Setting" screen to display the "Input to logic gate" screen.
/ 4 I n p u t t o logic gate 1 / 4
I n # 1 ( 0- 071)： 21
I n # 2 ( 0- 071)： 4
I n # 3 ( 0- 071)： 67
I n # 4 ( 0- 071)： 0
3
3
3
3
• Assign signals to gates (In #1- #4) by entering the number corresponding to each signal
referring to Appendix B.
Note: If signals are not assigned to all the gates #1-#4, enter 0 to the unassigned gate(s).
Repeat this process for other LEDs to be configured.
4.2.7 Testing
The sub-menu "Test" provides such functions as setting of testing switches, forced operation of
binary outputs, time measurement of the variable setting timer and logic signal observation.
The password must be entered in order to enter the test screens because the "Test" menu has
password security protection. (See Section 4.2.6.2.)
4.2.7.1 Setting the switches
The automatic monitor function (A.M.F.) can be disabled by setting the switch [A.M.F] to "OFF".
Disabling the A.M.F. prevents tripping from being blocked even in the event of a failure in the
items being monitored by this function. It also prevents failures from being displayed on the
"ALARM" LED and LCD described in Section 4.2.1. No events related to A.M.F. are recorded,
either.
Disabling A.M.F. is useful for blocking the output of unnecessary alarms during testing.
Note: Set the switch [A.M.F] to "Off" before applying the test inputs, when the A.M.F is disabled.
The switch [Reset] is used to test the THR and V/F elements. When the switch [Reset] is set to "1",
the time counting of inverse time characteristic can be forcibly reset.
While the switch [A.M.F] is set to "0" or [Reset] is set to "1", the red "TESTING" LED is lit for