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T i m e r
P r e s s
E N T E R
P r e s s
C A N C E L
• Press the ENTER key to operate the timer. The "TESTING" LED turns on, and timer is
initiated and the following display appears. The input and output signals of the timer can be
observed at monitoring jacks A and B respectively. The LEDs above monitoring jacks A or B
are also lit if the input or output signal exists.
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T i m e r
O p e r a t i n g . . .
P r e s s
E N D
P r e s s
C A N C E L
• Press the CANCEL key to test other timers. Repeat the above testing.
• Press the END key to reset the input signal to the timer. The "TESTING" LED turns off.
To measure the drop-off delay time, press the END key after the LED above jack B lights.
4.2.7.4
Logic Circuit
It is possible to observe the binary signal level on the signals listed in Appendix B with
monitoring jacks A and B.
• Press 4 (=Logic circuit) on the "Test" screen to display the "Logic circuit" screen.
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L o g i c
T e r m A (
T e r m B (
• Enter a signal number to be observed at monitoring jack A and press the ENTER key.
• Enter the other signal number to be observed at monitoring jack B and press the ENTER key.
After completing the setting, the signals can be observed by the binary logic level at monitoring
jacks A and B or by the LEDs above the jacks.
On screens other than the above screen, observation with the monitoring jacks is disabled.
4.2.7.5 Synchronized Test Trigger
The "Sim. fault" on the "Test" menu is used to generate a synchronized trigger signal for
end-to-end dynamic tests. The signal can be monitored when the signal FG (No.196) in the
signal list is assigned to a user configurable high-speed type auxiliary relay (BO12 or BO13 of
IO2) at the local and remote terminals.
Note: Even if a logic including the signal FG (No.196) is programmed and assigned into the BO13
of IO2, the BO13 outputs the signal FG itself instead of the result of the logic programmed.
The auxiliary relays trigger a simultaneous test current application to the local and remote
terminal differential elements when the
terminal. The signal transmission delay time is automatically compensated in the relay and the
operation time difference of the auxiliary relays is within 1ms. For the signal list, see Appendix
B.
Note: FG signal cannot be observed at monitoring jacks A and B.
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c i r c u i t
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0 -
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key is pressed on the "Sim. fault" screen at either
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6 F 2 S 0 8 5 0
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