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Models ER-420-AC, ER-420-DC & ER-420-LP

5 – FLOWMETER

SIGNAL 

51

The ER-420 is able to handle several types of input signal  The type of flowmeter pickup / signal is 

selected with SETUP 51  

OTEE:

N

The selections "active pulse" offer a detection level of 50% of the supply voltage  Read 

also par  4 4 2 2  and 4 4 3 2  Flowmeter input terminal 09-11 

Type of Signal

Explanation

Resistance

Freq. / MV

Remark

NPN

NPN input

100 K pull-up

6 kHz

(open collector)

NPN - LP

NPN input with low pass filter

100 K pull-up

2 2 kHz 

(open collector) less 

sensitive

REED

Reed switch input

1 M pull-up

1 2 kHz

—

REED - LP

Reed switch input with low pass 

filter

1 M pull-up

120 Hz

Less sensitive

PNP

PNP input

100 K pull-down

6 kHz

—

PNP - LP

PNP input with low pass filter 

100 K pull-down

700 kHz

Less sensitive

ACT_8 1

Active pulse input 8 1V DC

3 K9 

10 kHz

External power required

ACT_12

Active pulse input 12V DC

4 K

10 KHz

External power required

ACT_24

Active pulse input 24V DC

3 K

10 KHz

External power required

Page 16 

March 2013

Содержание ER-420-AC

Страница 1: ...Industrial Registers Models ER 420 AC ER 420 DC ER 420 LP Totalizer and Rate of Flow Indicator with 4 20 mA Output Signal REG UM 00018 EN 05 March 2013 Users Manual...

Страница 2: ...Models ER 420 AC ER 420 DC ER 420 LP Page ii March 2013...

Страница 3: ...ormation and Functions 9 CONFIGURATION 11 Introduction 11 Programming Setup Level 11 Overview of Setup Functions 13 Details of Setup Functions 14 Transmitter Pulses Per Unit 21 INSTALLATION 22 General...

Страница 4: ...odels ER 420 AC ER 420 DC ER 420 LP APPENDIX A TECHNICAL SPECIFICATIONS 34 General 34 Inputs 35 Outputs 35 Operational 35 APPENDIX B TROUBLESHOOTING 36 Your Configuration Settings 37 Page iv March 201...

Страница 5: ...INDICATES ACTIONS OR PROCEDURES THAT IF NOT PERFORMED CORRECTLY MAY LEAD TO PERSONAL INJURY OR INCORRECT FUNCTIONING OF THE ER 420 OR CONNECTED INSTRUMENTS NOTE N A NOTE indicates actions or procedur...

Страница 6: ...echnicians Check the mains voltage and information on the manufacturer s plate before installing the unit Check all connections settings and technical specifications of the various peripheral devices...

Страница 7: ...he unit with a pulse type input from the flowmeter One flowmeter with a passive or active pulse output can be connected to the ER 420 To power the display and sensor several options are available ER 4...

Страница 8: ...t units and signal selection All setting are stored in EEPROM memory and will not be lost in the event of power failure or a drained battery Displaying information The unit has a large transflective L...

Страница 9: ...ncrease a value after PROG has been pressed or to configure the unit See CONFIGURATION on page 11 Press this key twice to clear the value for Total The arrow key is used to select a digit after PROG h...

Страница 10: ...ted Total cannot be re initialized The value will count up to 99 999 999 999 The unit and number of decimals are displayed according to the configuration settings for Total Display multiplication fact...

Страница 11: ...THAT THE MEASURING SYSTEM IS CORRECTLY WIRED UP ACCORDING TO THE WIRING DIAGRAMS THE HOUSING MAY ONLY BE OPENED BY TRAINED PERSONNEL TAKE CAREFUL NOTICE OF SAFETY on page 5 Programming Setup Level Con...

Страница 12: ...through all active sub functions for example 1 11 12 13 14 1 2 3 Changing values To change a value use to select the digits and to increase that value To select a setting use both and If the new value...

Страница 13: ...ACTOR 0 6 26 CALCULATION per 1 255 pulses 27 CUT OFF 0 1 999 9 secs 3 Display 31 FUNCTION total flow rate 4 Power Management Does Not Apply to This Unit 5 Flowmeter 51 SIGNAL npn npn_lp reed reed_lp p...

Страница 14: ...elected unit is cubic meters m3 A cubic meter consists of 1000 parts of one liter which implies 2481 3 pulses per m3 So the K factor is 2481 3 Enter for SETUP 13 2481300 and for SETUP 14 decimals K fa...

Страница 15: ...5 This setting determines the number of decimals for the K factor SETUP 24 The options are 0 1 2 3 4 5 6 This SETUP indirectly influences the accuracy of the K factor This setting has NO influence on...

Страница 16: ...input 100 K pull up 6 kHz open collector NPN LP NPN input with low pass filter 100 K pull up 2 2 kHz open collector less sensitive REED Reed switch input 1 M pull up 1 2 kHz REED LP Reed switch input...

Страница 17: ...rrent will be the minimum signal 4 mA Examples 4 mA SETUP 62 20 mA SETUP 63 CUTOFF SETUP 64 REQUIRED RATE OUTPUT 0 gpm 100 gpm 2 100 0 2 2 0 gpm 4 16 2 4 32 mA 20 gpm 800 gpm 3 5 800 20 3 5 27 3 gpm 4...

Страница 18: ...esponse time on a value change will be Below several filter levels with their response times are indicated RESPONSE TIME ON STEP CHANGE OF ANALOG VALUE TIME IN SecS FILTER VALUE 50 INFLUENCE 75 INFLUE...

Страница 19: ...in the buffer empties Pulses may be missed due to a buffer overflow Make sure to program this setting within its range For the ER 420 DC and ER 420 AC reduce the maximum output frequency to 0 5 Hz to...

Страница 20: ...420 DC or ER 420 AC Your supplier will ask for this information in the case of a serious breakdown or to assess the suitability of your model for upgrade considerations VERSION SOFTWARE 93 For support...

Страница 21: ...1 55 RCDL 58 0644 23 7 1 70 RCDL 46 8 12 4 1 1 2 120 RCDL 23 8 6 3 2 170 RCDL 14 6 3 9 1 1 2 160 Turbo Series 1 5366 0 4059 2 200 Turbo Series 1 5366 0 4059 3 450 Turbo Series 1 5982 0 4222 4 1000 Tu...

Страница 22: ...OTECTION AGAINST ACCIDENTAL CONTACT IS NO LONGER ASSURED WHEN THE HOUSING COVER IS REMOVED OR THE PANEL CABINET HAS BEEN OPENED DANGER FROM ELECTRICAL SHOCK THE HOUSING MAY ONLY BE OPENED BY TRAINED P...

Страница 23: ...UNDED OBJECT THIS UNIT MUST BE INSTALLED IN ACCORDANCE WITH THE EMC GUIDELINES ELECTRO MAGNETIC COMPATIBILITY For installation pay special attention to Separate cable glands with effective IP67 NEMA4X...

Страница 24: ...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...

Страница 25: ...The screen of the signal wire must be connected to the common ground terminal 9 unless earthed at the sensor itself The maximum input frequency is approximately 10 kHz depending on the type of signal...

Страница 26: ...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 14 For a signal detection level of 50 of the supply vol...

Страница 27: ...ply With the ER 420 DC and ER 420 AC a real power supply for the sensor is available The flowmeter can be powered with 8 2 to 12 or 24 V DC Total power consumption max 400 mA 24V The voltage is select...

Страница 28: ...20 DC and ER 420 AC Terminal GND 01 02 Power Supply available only with type PD PF or PM Type Sensor Supply Terminal GND 01 02 ER 420 DC 24V AC 15 8 2 12 24V max 400 mA AC AC ER 420 DC 24V DC 15 8 2 1...

Страница 29: ...signal wire must be connected to the common ground terminal 9 unless earthed at the sensor itself The maximum input frequency is approximately 10 kHz depending on the type of signal The input signal t...

Страница 30: ...signal noise filter which limits the maximum input frequency see Details of Setup Functions on page 14 For a signal detection level of 50 of the supply voltage see Active signals 8 1V to 12V and 24V o...

Страница 31: ...anual Reed switch The ER 420 is suitable for use with flowmeters which have a reed switch To avoid pulse bounce from the reed switch select REED LP low pass filter see Details of Setup Functions on pa...

Страница 32: ...Transmitter Pulses Per Unit on page 21 Figure 9 ER 420 Transmitter Adapter Switch Positions NOTE N The meter size selector switch must be set to correspond to the size of the meter to properly detect...

Страница 33: ...5 The ER 420 does not require special maintenance unless it is used in low temperature applications or surroundings with high humidity above 90 annual mean It is the users responsibility to take all...

Страница 34: ...20 DC 24V AC DC 10 Power consumption maximum is 0 5 Watt ER 420 AC 115 230V AC 10 Power consumption maximum is 0 5 Watt ER 420 LP Output loop powered 8 30V DC Power consumption maximum is 0 5 Watt Mod...

Страница 35: ...loop powered Transistor Output Pulse output Maximum frequency is 60 Hz Pulse length is user definable between 7 8 msec up to 2 secs Function One pulse output transmitting accumulated total Type ER 420...

Страница 36: ...er x quantity is the value programmed reasonable and will the maximum output be under 20 Hz SETUP 71 Flow rate displays 0 zero while there is flow total is counting Are the K factor and time unit corr...

Страница 37: ...31 function total 4 Power Management 41 LCD new 1 sec 42 mode operational 5 Flowmeter 51 signal Reed switch 6 Analog Output 61 output disabled 62 min flow rate 4 mA 0000000 63 max flow rate 20mA 9999...

Страница 38: ...Models ER 420 AC ER 420 DC ER 420 LP INTENTIONAL BLANK PAGE Page 38 March 2013...

Страница 39: ...Installation Operation Manual INTENTIONAL BLANK PAGE Page 39 March 2013...

Страница 40: ...adger Meter de las Americas S A de C V Pedro Luis Ogaz n N 32 Esq Angelina N 24 Colonia Guadalupe Inn CP 01050 M xico DF M xico 52 55 5662 0882 Europe Middle East and Africa Badger Meter Europa GmbH N...

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