Badger Meter Registers User Manual
Page 31
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User Manual
Pulse-signal PNP / PNP-LP
The ER-420 is suitable for use with flowmeters which have a PNP output signal For a reliable pulse detection, the pulse
amplitude has to go above 1 2V Signal setting PNP-LP employs a low-pass signal noise filter, which limits the maximum input
frequency (see
"Details of Setup Functions" on page 15
) For a signal detection level of 50% of the supply voltage, see
signals 8.1V to 12V and 24V" on page 31
Active signals 8.1V to 12V and 24V
If a sensor gives an active signal, see
"Details of Setup Functions" on page 15
The detection levels are 50% of the selected
supply voltage; approximately 4V (ACT_8 1) or 6V (ACT_12) or 12V (ACT_24)
Page 31
May 2014
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