Badger Meter Registers User Manual
Page 25
User Manual
ER-420-LP
The following terminal connectors are available:
Figure 6: Overview terminal connectors loop powered ER-420-LP
Voltage selection sensor supply
Terminal 11 provides a limited supply voltage of 3 2V DC for the signal output of the flowmeter
OTEE:
N
This voltage MAY NOT be used to power the flowmeter's electronics, converters, or other components as it will not
provide adequate sustained power! It is possible to use some low power reed switch, NPN or PNP output signals
(consult your distributor)
Terminal connections ER-420-LP
Terminal 05-06; scaled pulse output R1:
SETUP 7 determines the pulse output function The maximum pulse frequency of this output is 60 Hz
A passive transistor output is available for the ER-420-LP Maximum driving capacity is 300 mA@50V DC
Terminal 07-08; basic POWER SUPPLY - output loop powered:
Connect an external power supply of 8…30V DC to these terminals
Do connect the "–" to terminal 7 and the "+" to terminal 8
ONLY VALID FOR THE ER-420-LP.
Page 25
May 2014
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