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 Z203959-0D 

PAGE 1 

©2008 Veris Industries   USA 800.354.8556 or 503.598.4564  / [email protected]   

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Electropneumatic Transducer

Installer's Specifications

ep3 SerieS

ep3 SerieS

Dimensions

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ProDuct iDentification

Power Supply 

22-30VDC, 20-30VAC, 47-63 Hz, 150mA max. average, 350mA peak

Control Input 

4-20mA, (0-10V, 0-5V; jumper selectable), Tri-State, PWM

Input Impedance 

4-20mA, 250Ω; 0-5/0-10V, 10kΩ

Manual Override 

Digital pushbutton adjust, switch selectable mode

Alarm Contact 

100mA@30VAC/DC (Pressure loss, manual mode, jumper selectable)

Accuracy 

1% F.S.; combined linearity, hysteresis, repeatability @20°C ambient

Operational Temperature Range 

41° to 140°F (5°C to 60°C)

Temperature Coefficient 

±0.1%/°C

Operating Environment 

10-90% RH, non-condensing -4ºC tp 60°C

SCIM 

523 in

3

/min@45 psi; 8520 cm

3

/[email protected] kPa; 

 

333 in

3

/min@20 psi; 5407 cm

3

/[email protected] KPA

Supply Pressure 

Minimum (0.1psi plus user F.S. pressure), Maximum (45psig) 

Control Range 

User programmable zero selectable from 0-25 psi: Full Scale 0-25 psi

Pressure Differential 

0.1 psig (supply to branch)

Pressure Indication 

Electronic, 3-1/2 digit LCD back-light

Minimum Tubing Length 

15-feet*

Port Connection 

1/8 id poly tubing

Media Connection 

Clean dry air or inert gas. Not for use with oxygen service  

 

or combustible gases

*  For shorter tubing runs use P/N AA45 Pneumatic Capacitor

EMC Conformance:  EN 61000-6-3 Class B:2001, EN 61000-6-1:2001, EN 61000-3-2:2000, EN 

61000-3-3:2001

EMC Test Methods:  IEC 61000-4-2:2001-04, IEC 61000-4-3:2001, IEC 61000-4-4:2001, IEC 

61000-4-5:2001, IEC 61000-4-6:2004, IEC 61000-4-8:2001, IEC 61000-4-11:2001

EMC Special Note:  connect this product to a DC distribution network or an AC/DC power adapter 

with proper surge protection (EN 6100-6-1:2001 specification requirements).

Input

3 = PWM, Tristate 
0-5/0-10VDC and 
4-20mA (selectable), 
programmable PSI 
output 

Output

0 = None
3 = Analog output: 
        0-10VDC, or 
        4-20mA, 
        selectable

S = Standard
C = CE 
(CE versions 
include cover 
plate)

Feedback

3 = Pressure 
Loss Alarm, or 
Manual Mode 
Alarm 

Failsafe

Option

Blank = None
2 = EP Cover
        Plate

3

3

S

1.8"

(46 mm)

3.73"

(95 mm)

3.45"

(88 mm)

2.1"

(53 mm)

4.9"

(125 mm) 

SIDE VIEW - DUST COVER

FRONT VIEW - DUST COVER

quick install

Mount transducer using screws provided. Take care to avoid damaging electronic  

1.  

components.

Configure jumpers for desired operation as shown (page 2).

2.  

Wire transducer as shown in wiring diagram (page 3).

3.  

Attach pressure tubing to hose barbs. Observe MAIN and BRANCH port labels. Use  

4.  

flexible 1/8" I.D. poly tubing for main and branch pneumatic connections. 

Main 

supply pressure must not exceed 45 psig.

0 = None
1 = Vent on 
power fail

EP

US or EU

available

EP Series transducers are sold as an open device.

Observe handling precautions for static sensitive

devices to avoid damage to the circuitry which

would not be covered under the factory warranty.

Содержание EP3 Series

Страница 1: ...1 2 digit LCD back light Minimum Tubing Length 15 feet Port Connection 1 8 id poly tubing Media Connection Clean dry air or inert gas Not for use with oxygen service or combustible gases ForshortertubingrunsuseP NAA45PneumaticCapacitor EMCConformance EN61000 6 3ClassB 2001 EN61000 6 1 2001 EN61000 3 2 2000 EN 61000 3 3 2001 EMCTestMethods IEC61000 4 2 2001 04 IEC61000 4 3 2001 IEC61000 4 4 2001 IE...

Страница 2: ...IGURATION INPUT User selectable current 4 20mA or VOLTAGE 0 5 0 10V Tri state PWM OUTPUT STANDARD 0 20psig OUTPUT OPTION 4 20mA 0 10V Feedback status for branch pressure SETTINGS User programmable Tristate Timing travel time Min 5 seconds Max 600 seconds Default 60 seconds PWM Min pulse setting 0 01 0 6 seconds Full Scale FS scale point user programmable 0 25psi Zero user programmable 0 25psig Aft...

Страница 3: ...ILTER 20 45psi Regulator AIR COMPRESSOR PWMControlExample Input switch set to PWM Tri State jumper set to ON GND INPUT 24V CH2 CH1 PWM 4 20mA 0 10V ALARM CONTACTS POWER SOURCE BRANCH TRI STATE CONTACTS CH1 OR CH2 OR TRAP FILTER 20 45psi Regulator AIR COMPRESSOR Subtract Pressure Add Pressure Tri stateControlExample Input switch set to TRI STATE Tri State jumper set to ON Current voltageControl Vol...

Страница 4: ...wer cycling the EP If you power cycle before 10 seconds your settings will be erased and the setpoint will default to previous setting The device s internal counters measure the contact closure time with 100Hz resolution Note If Tristate input is to be operated by a triac output an AC relay is required to provide a dry contact closure to the EP3 input AnalogOutput The output is generated from the ...

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