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Dwyer Instruments AVLV Series, Specifications-Installation And Operating Instructions

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Dwyer Instruments AVLV Series Specifications-Installation And Operating Instructions Download Page 12

©Copyright 2019 Dwyer Instruments, Inc.

Printed in U.S.A. 7/19

FR# 444499-20 Rev. 1

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DWYER INSTRUMENTS, INC.

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.

Phone: 219/879-8000
Fax: 219/872-9057

dwyer-inst.com
e-mail: [email protected]

Summary of Contents for AVLV Series

Page 1: ...al Connections Analog Power and output four wire removable European style terminal block for 16 to 26 AWG Communication Connections BACnet MS TP or Modbus RTU ASCII three wire removable European style terminal block for 16 to 26 AWG Supported Communication Baud Rates 9600 19200 38400 57600 76800 115200 optional Device Load 1 8 unit load Electrical Entry 1 2 NPS thread Accessory Cable gland for 5 t...

Page 2: ...aximum current loop load resistance RMAX is defined by the following the equation RMAX VPS 2 0 0 02 where VPS is the power supply voltage For a 24 VDC nominal power supply this evaluates to RMAX 1100 ohms Shielded two wire cable is recommended for current output loop wiring Ground the shield at the power supply end only The maximum length of connecting wire between the current transmitter and the ...

Page 3: ...Table 2 shows the values The units will be displayed on the optional LCD display if connected The default operating mode is velocity but changes can be made such as flow mode via the menu system while an optional display or remote display accessory is connected Please refer to Appendix VI for a full menu flow chart Setting the Output Voltage Range Voltage Output can be either 0 5 VDC or 0 10 VDC d...

Page 4: ...e pressed the air velocity value is out of the range to allow a correct setting This may be due to a sensor failure Err1 The sensor is damaged PROGRAMMING MENUS Home Menu During normal operation the display will be in the Home Menu and will display the current measured pressure and the engineering units Menu Access Security While in the Home Menu press and hold the Zero and Span buttons simultaneo...

Page 5: ...s and no will discard all the changes made to all menu items If the display is set to yes pressing and holding the span will save the menu items and return the display to the home position FACTORY DEFAULT PROCEDURE In order to reset all of the menu settings back to their factory programmed values press and hold both the span and zero buttons simultaneously for 10 seconds until FACt is displayed on...

Page 6: ... then apply power The device will power up and begin examining the serial bus for communication The Red LED will repeatedly flash twice indicating that intelligent serial configuration is in progress If the device is setup offline or away from the main network it is necessary to generate Modbus Communication Protocol traffic in order to configure the serial communication Attempting to read input r...

Page 7: ...different byte orientations as listed in Table 10 Registers that do not have multi address support are only available in Big Endian byte orientation Modbus Communication Protocol standard APPENDIX V Setting Modbus Communication Protocol MAC Address of Unit The address assignment is determined by adding the values for each of the switches that are in the ON position The transmitter comes from the f...

Page 8: ...CETO NEXT DIGIT ACTIVE DIGITWILL BLINK SPAN BLINKING DIGIT ZERO SPAN HOME POSITION SECURITY LEVEL SELECTION WHILE BUTTONS ARE PRESSED WHEN BUTTONS ARE RELEASED DISPLAYS CURRENT SECURITY LEVEL ZERO SPAN HOLD 7 SECONDS TO HOME POSITION FACTORY SETTINGS RESTORED THEN RETURNS ZERO TO CHANGE SECURITY LEVEL INCREMENT SELECT ZERO SPAN DIGIT DIGIT SECURITY LEVEL SETTING 0 000 1 111 2 222 3 333 SPAN SPAN I...

Page 9: ...ASE SPAN SPAN UPON RELEASE SPAN TO UPDATE SECURITY AND SAVE MENU INCREMENT SELECT ZERO SPAN DIGIT DIGIT INCREMENT SELECT ZERO SPAN DIGIT DIGIT ON DIP SWITCH SETTING FPM OR M S BASED SELECT MAXIMUM OUTPUT SET BY PRESSURE OR ADJUSTVELOCITY OUTPUT HIGH VELOCITY K FPM M S Velocity Mode Menu ...

Page 10: ...E MENU INCREMENT SELECT ZERO SPAN DIGIT DIGIT INCREMENT SELECT ZERO SPAN DIGIT DIGIT ON DIP SWITCH SETTING FPM OR M S BASED ADJUST FLOW OUTPUT HIGH K CFM M H INCREMENT SELECT ZERO SPAN DIGIT DIGIT F AREA SQ FEET OR SQ METERS BASED ON DIP SWITCH SETTING M AREA SPAN UPON RELEASE SPAN SELECT MAXIMUM OUTPUT SET BY PRESSURE OR FLOW 3 Flow Mode Menu ...

Page 11: ...FROM UPDATE SECURITY AND SAVE MENU UPDATE SECURITY LEVEL ZERO ZERO ZERO SPAN SPAN SPAN SPAN ZERO SAVE CHANGES SPAN UPON RELEASE ZERO ZERO SPAN SPAN HOME POSITION Security Menu ...

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