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Siemens 7SR51 - Page 132

Siemens 7SR51
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On Binary output (number)
‘1’ = Output energized, ‘0’ = Output de-energized
Vn Virtual input/output (number)
‘1’ = Virtual I/O energized, ‘0’ = Virtual I/O de-ener-
gized
Parameter: En Pickup Delay
Default Setting:
When the equation is satisfied (=1) the pickup time delay is initiated (En Pickup Delay), when the
equation is still set to true and the time delay has elapsed the counter value is increased by 1.
Parameter: En Dropoff Delay
Default Setting:
[dw_7SR5_QuickLogicSequenceDiagram, 1, en_US]
Figure 3-16 Sequence Diagram: Quick Logic PU/DO Timers (Counter Reset Mode Off)
Parameter: En Counter Target
Default Setting:
An output is issued when the equation has been set to true (and the counter is incremented) for the
number of times specified by the Counter Target setting.
When the count value = En Counter Target the output of En is initiated and this value is held until
the initiating conditions are removed when En is instantaneously reset.
The output of En is assigned in the Output Config > Output Matrix menu where it can be
programmed to any binary output (O), LED (L) or Virtual Input/Output (V) combination.
Parameter: En Counter Reset Mode
Default Setting: Off
Off: The counter will maintain its count value
Single Shot: The counter will reset after the reset time delay. The En Counter Reset Time is
started only when the counter is first incremented (i.e. counter value = 1) and not for subsequent
counter operations.
Multi Shot: The counter will reset after the reset time delay. The En Counter Reset Time is
started each time the counter is incremented.
Device Functionality
3.8 Quick Logic
132 Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019

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