Electronic Pressure Switch

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EDA SeriesElectronic Pressure Gage, Switch & Transmitter

Local Pressure Indication2 Independent Switches

ControlAlarm

Analog transmission

ApplicationsReplaces Mercoid DA pressure switchExamples:

Booster PumpsFire Pump ControlTank Level ControlSafety pressure switch

Manual ResetBubbler SystemsElevated Water Storage TankAir Compressors

SpecificationsService: Compatible liquids and gases316SS wetted materialsAccuracy: ±1% of F.S. Power Requirements: 12 to 30 VDC/ACEnclosure Rating: IP65Optional Output Signals2 SPDT Switches

Switch Reset: Manual or Automatic

Model Chart

EDA Advantages

No Separate Calibrator Required

On screen programming6 button operationLocal LED Status Lights

EDA Advantages

3 Settings for Relay Control1 Control Relay1 Control Relay, 1 Alarm Relay2 Control Relay

Independent set point adjustmentDeadband AdjustmentDuplex & Alternation control

EDA Advantages

Metric & US Based Engineering UnitsIn Field CalibrationFlush Panel, Surface or Pipe MountableUL Approved

Easier Installation

Scalable OutputTransmitter Scaling Example

Base range 0-7 barOn-Screen programming

Output could be configured to any range within base range:

0-5 bar0-2 bar0-1 bar1-6 bar2-7 bar , etc

Wiring

Front Face

Menu GuideSetpoint/Alarm Menu

       

       

      Set Point High

       

       

       

      Set Point Low

       

       

Menu GuideSetpoint/Alarm Menu

Set Point High 1        

         

Set Point Low 1      

Set Point High 2

         

         

         

       Set Point Low 2

Menu GuideSetpoint/Alarm Menu

Alarm High        

         

       Set Point

High 2

         

         

         

       Set Point

Low 2

Alarm Low        

         

Base MenusSecurity

Lock out access to settings

Operation Pressure units, zero, and back light

Output Relay Modes, alternating function, time delay, and lamp indication

Base Menus

Display Monitor and adjust display related settings: Peak, Valley and Dampening

AdvancedSimulate transmitter scaling, factory default, and calibration

Base Menus

Test Simulate pressure input

Fail SafeSelect Fail Safe Mode

Menu Guide

EDAUnit Selection

Press Menu Press DOWN

until “OPER” appears

Unit Selection

Press ENTER

Press ENTER Using

UP/DOWN select units, then press ENTER to save

Unit Selection

Press MENU to return

EDA Output & Setpoint Selection

EDA Control & Setpoint Selection

Press DOWN until “OUT” appears, then press ENTER

Press ENTER

EDAControl & Setpoint Selection

Press ENTER Press

UP/DOWN to select “SPAL” mode

Press ENTER to save

Press MENU to return

EDA Control & Setpoint Selection

Press SP/AL Press ENTER, then use UP/Down to adjust setpoint, then ENTER

Press ENTER, then use UP/Down to adjust setpoint, then ENTER

EDAControl & Setpoint Selection

Press ENTER, then use UP/Down to adjust setpoint, then ENTER

Press MENU to show pressure reading

Menu Guide

EDAControl & Setpoint Selection

Press Menu Press DOWN

until “ADV” appears

EDATransmitter Output Scaling

Press ENTER

Use UP/DOWN to select 4mA value, then Press ENTER & DOWN

Use UP/DOWN to select 20mA value, then Press ENTER & MENU

EDATransmitter Output Scaling

Press MENU

Questions

To order a free catalog or for more information contact;Dwyer Instruments, Inc., P.O. Box 373,

Michigan City, IN., 46361Telephone: (800) 872-9141 or (219) 879-8000

Fax: (219) 872-9057Internet address: www.dwyer-inst.com

E-mail: info@dwyer-inst.com