Aci ACCESS series User manual

Installation and Operation Instructions

DLP Series

AUTOMATION COMPONENTS, INC Version : 11.0

2305 Pleasant View Road I0000777

Middleton, Wisconsin 53562 Page 1 of 7

www.workaci.com (888) 967-5224

Figure 1: DLP Dimensions and Hardware

PRECAUTIONS

•REMOVE POWER BEFORE WIRING.NEVER CONNECT OR DISCONNECT WIRING WITH THE POWER APPLIED.DO NOT ALLOW

LIVE WIRES TO TOUCH THE CIRCUIT BOARD.

•AN ISOLATION TRANSFORMER IS RECOMMENDED WHEN POWERING THE DEVICE WITH 24VAC.

•DO NOT RUN THE WIRING IN ANY CONDUIT WITH LINE VOLTAGE.

•FAILURE TO WIRE DEVICES WITH THE CORRECT POLARITY WHEN USING A SHARED TRANSFORMER MAY RESULT IN

DAMAGE TO ANY DEVICE POWERED BY THE SHARED TRANSFORMER.

MEDIA

The DLP can be used to monitor the differential pressure in any application that uses dry air or inert gas.

DIN RAIL MOUNTING (Optional Accessory Ordered)

Attach the DIN Rail Mounting accessory to the back of the enclosure using the two screws provided. To mount the sensor on the DIN

Rail, place the bottom of the DIN Rail Clip into the 35mm DIN Rail and push the unit upward to engage the spring clip. Now press the

top of the unit back until it locks into place (see Figure 2).

Figure 2: DIN Rail Mounting

AUTOMATION COMPONENTS, INC Version : 11.0

2305 Pleasant View Road I0000777

Middleton, Wisconsin 53562 Page 2 of 7

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PITOT TUBE INSTALLATION (Optional Accessory Ordered)

Slip the rubber washer over the threaded end of the pitot tube, keeping the washer as close to the threaded end as possible. Fasten the

pitot into the threaded insert on the back of the enclosure. Press the rubber washer against the enclosure.

Figure 3: Pitot Tube Installation

TUBING SETUP WHEN PITOT TUBE IS INSTALLED

Units will be shipped with silicone tubing attached to the high and low pressure barb fittings. The silicone tubing will need to be

removed from the High Pressure (H) barb fitting and secured onto the pitot tube barb fitting. This will leave the high pressure barb

fitting open to atmosphere, and the Low pressure barb fitting remaining at default setup.

Figure 4: Pitot Tube Installation

MOUNTING

Two size #8 x 3/4” self drilling screws are supplied. Mount the unit vertically with the brass fittings pointing towards the ground.

Attach the unit to the mounting surface using the two mounting holes located on the top and bottom flanges. This ensures that any

condensation that may form in the tubing does not have an effect on the pressure sensor. If mounting the unit horizontally, a slight

zero shift may occur and care must be taken to prevent moisture from building up in the sensor. For best results, all tubing lengths

should be limited to a maximum length of 75 feet (23 meters).

PRESSURE CONNECTIONS

The recommended connection tubing is ¼” O.D push-on tubing (1/8”to 3/16” I.D.).

AUTOMATION COMPONENTS, INC Version : 11.0

2305 Pleasant View Road I0000777

Middleton, Wisconsin 53562 Page 3 of 7

www.workaci.com (888) 967-5224

Duct Mount Panel Mount

Figure 5: DLP Mounting

WIRING

16 to 26 AWG twisted pair wires or shielded cable is recommended for all sensors. The hinged cover must be opened to connect

wires to the unit’s finger push-button terminal blocks. Each DLP unit can be configured to three output signals: 4-20mA, 0-5V or 0-

10V. Use the Wiring Connections (Table 1) and diagrams (Figure 7) to determine the proper wiring for your application. See Table

1for Output Mode and Output Signal switch positions.

Output Signal

Output Mode

Output Signal

Supply Voltage

Wire Connections

(SW1)

(SW3 Position 4)

Red

Black

White

Yellow

0-5 VDC

Vout

VAC/VDC

V+

COM

VOUT

n/c

0-10 VDC

Vout

10V

VAC/VDC

V+

COM

VOUT

n/c

4-20 mA

n/a

VDC

V+

n/c

IOUT

n/a=Not Applicable

Table 1: Wiring Connections

n/c=No Connection

Figure 6: SW1 and SW3 Output Switches

AUTOMATION COMPONENTS, INC Version : 11.0

2305 Pleasant View Road I0000777

Middleton, Wisconsin 53562 Page 4 of 7

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Figure 7: Wiring Connections

•When using ½” conduit, the strain relief fitting must be removed from the enclosure.

•Make sure that any conduit or metal fittings do not come in contact with the circuit board.

ZERO FUNCTION

The DLP unit should be “ZEROED” before pressure is applied to the unit.

The zero button is used to cancel out any offsets caused by installation and sensor drift.

The Zero adjustment must be performed with NO pressure applied to either side of the sensor.

•Remove the tubing connected to the H(High) and/or L(Low) pressure fittings.

•Push “ZERO” button for more than three seconds before installation or whenever necessary.

Figure 8: Auto Zero Button –SW2

For units with LCD display: “AUTOZERO” icon will be on when the unit enters zero mode. If zeroing process is successful, the

“AUTOZERO” icon will flash twice.

AUTOMATION COMPONENTS, INC Version : 11.0

2305 Pleasant View Road I0000777

Middleton, Wisconsin 53562 Page 5 of 7

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PRESSURE RANGE SELECTION

If a custom calibrated pressure range is ordered, DO NOT change the Pressure Range Selection DIP switch settings.

These are the 12 standard model #’s:

Model #

Item #

Description

Model #

Item #

Description

A/DLP-001-W-U-N-A-0

140769

0-0.1", 0.2", 0.5", 1",

Without Display

A/DLP-001-W-U-D-A-0

140773

0-0.1", 0.2", 0.5", 1",

With Display

A/DLP-010-W-U-N-A-0

140774

0-1", 2", 5", 10",

Without Display

A/DLP-010-W-U-D-A-0

140776

0-1", 2", 5", 10", With

Display

A/DLP-040-W-U-N-A-0

140777

0-10", 20", 30", 40",

Without Display

A/DLP-040-W-U-D-A-0

140778

0-10", 20", 30", 40",

With Display

A/DLP-001-W-U-N-A-3

141072

0-0.1", 0.2", 0.5", 1",

Without Display, With

Pitot Tube and DIN Rail

Clip

A/DLP-001-W-U-D-A-3

141073

0-0.1", 0.2", 0.5", 1",

With Display, Pitot

Tube, and DIN Rail Clip

A/DLP-010-W-U-N-A-3

141074

0-1", 2", 5", 10",

Without Display, With

Pitot Tube and DIN Rail

Clip

A/DLP-010-W-U-D-A-3

141075

0-1", 2", 5", 10", With

Display, Pitot Tube, and

DIN Rail Clip

A/DLP-040-W-U-N-A-3

141076

0-10", 20", 30", 40",

Without Display, With

Pitot Tube and DIN Rail

Clip

A/DLP-040-W-U-D-A-3

141077

0-10", 20", 30", 40",

With Display, Pitot

Tube, and DIN Rail Clip

Table 2: Standard Model #’s

The DLP can operate in either unidirectional mode (0 –X inWC) or bidirectional mode (± X inWC). Each unit could have up to eight

field selectable, uni or bidirectional ranges.

•DO NOT SWITCH PRESSURE RANGE OR OUTPUT MODE WHEN POWER IS ON.MAKE SURE POWER TO THE UNIT IS OFF.

FAILURE TO DO SO WILL NOT ALLOW ANY NEW SWITCH SETTINGS TO TAKE PLACE.

•CHOOSE DIFFERENTIAL PRESSURE RANGE BASED ON THE EXPECTED DIFFERENTIAL PRESSURE IN YOUR APPLICATION.

MOVE SWITCHES TO THE CORRECT POSITIONS AND THEN POWER ON THE TRANSMITTER.

•MAXIMUM PRESSURE

ACI Part No.

Maximum Pressure (inWC)

DLP-001-W

DLP-010-W

DLP-040-W

Unidirectional Mode

•DIP switch SW3 position five set at UNI side.

•DIP switch SW3 positions one and two are for Pressure Range Selection

DLP-001-W

AUTOMATION COMPONENTS, INC Version : 11.0

2305 Pleasant View Road I0000777

Middleton, Wisconsin 53562 Page 6 of 7

www.workaci.com (888) 967-5224

DLP-010-W

DLP-040-W

Bidirectional Mode

•DIP switch SW3 position five set at BI side.

•DIP switch SW3 positions one and two are for Pressure Range Selection.

Note: In Bidirectional mode, a value of 0 inWC will have an output equal to 50% of the output signal range (12mA, 2.5V, 5V).

DLP-001-W

DLP-010-W

DLP-040-W

ENGINEERING UNITS ADJUSTMENT

This option is ONLY for units with LCD display. Switch DIP switch SW3 position three to select Pa or inWC. If switched with

power on, unit change will not take place until power is cycled.

For units with LCD display:

“OUT OF RANGE” icon will be on when differential pressure is over or under the minimum or maximum pressure range selected.

If a DLP unit is outputting “OUT OF RANGE”, please turn off the unit immediately, and check the pressure input with a

gauge or other test instrument.

Once the pressure has been verified, set the Pressure Range Selection DIP switch to the proper positions based upon your

maximum expected differential pressure.

AUTOMATION COMPONENTS, INC Version : 11.0

2305 Pleasant View Road I0000777

Middleton, Wisconsin 53562 Page 7 of 7

www.workaci.com (888) 967-5224

PRODUCT SPECIFICATIONS

Supply Voltage

4-20 mA Output: 16-36 VDC (250 Ohm Load max.) / 22-36 VDC (500 Ohm Load max.)

0-5 VDC / 0-10 VDC Output: 16-36 VDC / 24 VAC (+/- 10%)

Supply Current

4-20 mA Output: 24 mA minimum | 0-5 VDC / 0-10 VDC Output: 6 mA maximum

Output Signals

Current Output: 4-20 mA, 2-Wire Loop Powered (Standard); (Current limited to 21.4 mA max)

Voltage Signals: 0-5 VDC / 0-10 VDC Field Selectable, 3-Wire; Output limited @ 5.25 & 10.5 VDC)

Response Time (0-100% FSO)

8 seconds

Output Update Rate

1 second

Accuracy¹

+/- 0.5% FSO; +/- 0.25% (Only for Specified Range)

Zero Function

Pushbutton Zero Function

Thermal Effects²

+/- 0.067% FSO / °F (0.12% FSO / °C)

Proof Pressure / Burst

A/DLP-001: Proof: 270 inWC (67.2 kPa) | Burst: 415 inWC (103.3 kPa) for 1 inWC (249.8 Pa)

Pressure³

A/DLP-010: Proof: 350 inWC (87.12 kPa) | Burst: 550 inWC (136.9 kPa) for 10 inWC (2490.8 Pa)

A/DLP-040: Proof: 562 inWC (140 kPa) | Burst: 1004.7 inWC (250 kPa) for 40 inWC (9963.6 Pa)

Operating Temperature

Range

-4 to 185°F (-20 to 85°C)

Compensated Temperature

Range

32 to 122°F (0 to 50°C)

Storage Temperature Range

-22 to 185°F (-30 to 85°C)

Operating Humidity Range

10 to 95% RH, non-condensing

Media Types

Dry air or inert non-conductive gases

Enclosure Material /

Flammability Rating

Flame Retardant Polycarbonate; UL94-5VA

Wiring Connections

Finger Pushbutton (Spring) Terminal Blocks; accepts 16-24 AWG wires

Conduit Knockouts

Watertight Cordgrip Installed (1/2" NPT Conduit fittings accepted when Cordgrip removed)

Pressure Fitting Material

Nickel Plated Brass or Stainless Steel

Tubing Size Accepted

1/4" O.D. x 0.170" I.D. Poly Tubing

Approvals

CE, Reach, RoHS2, WEEE

Note¹: Accuracy includes linearity, hysteresis & repeatability.

Note²: Shift is relative to 77°F (25°C).

Table 3: Product Specifications

WARRANTY SPECIFICATION

The DLP Series pressure transmitters are covered by ACI’s Five (5) Year Limited Warranty, which is located in the front of ACI’S

SENSORS & TRANSMITTERS CATALOG or can be found on ACI’s web site: www.workaci.com.

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