IDEC SmartRelay FL1A-H12RCE, Руководство пользователя

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IDEC SmartRelay Functions
4-57
IDEC SmartRelay User’s Manual
4.4.19 Stairwell Light Switch
Brief description
Following an input pulse (edge–controlled), a
parameterizable timed period starts. The output is reset
when the defined period has elapsed. 15 seconds before
the time has elapsed, an off warning is issued.
Symbol in
IDEC
SmartRelay
Connection Description
Input Trg Use the Trg (trigger) input to
start the time for the stairwell
light switch (off delay).
Parameter T T is the time after which the
output is switched off (output
state changes from 1 to 0).
Minutes are set as the default
time base.
Output Q Q is switched off when the time
T has elapsed. 15 s before the
time has elapsed, the output
switches to 0 for 1 s.
Parameter T
Please refer to the note in Section 4.3.2 when specifying
the values.
Timing diagram
15s
T
a
starts
T
1s
Q
Trg
Warning time
Warning duration