Omega Products FLSW3400 Installation Manual

User’s Guide

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FLSW3400 & 3500 Series

Optical Sensor Switch

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www.omega.com [e-mail]

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USA: One Omega Drive, Box 4047

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Czech Republic: Rude´ arm-dy 1868, 733 01 Karvin- 8

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Germany/Austria: Daimlerstrasse 26, D-75392 Deckenpfronn, Germany

United Kingdom: One Omega Drive, River Bend Technology Centre

ISO 9002 Certified Northbank, Irlam, Manchester

It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that
apply. OMEGA is constantly pursuing certification of its products to the European New Approach
Directives. OMEGA will add the CE mark to every appropriate device upon certification.

The information contained in this document is believed to be correct, but OMEGA Engineering, Inc.accepts
no liability for any errors it contains, and reserves the right to alter specifications without notice.
WARNING:These products are not designed for use in, and should not be used for, patient-connected applications.

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TABLE OF CONTENTS

1. UNPACKING the Optical Sensor Switch ----------------------- 1

1.1 Inspect Package for External Damage ...................................1

1.2 Unpack the Optical Sensor Switch.......................................... 1

1.3 Returning Merchandise for Repair .......................................... 1

2. DESCRIPTION----------------------------------------------------------- 2

3. INSTALLATION --------------------------------------------------------- 2

3.1 Electrical Connections ............................................................2

4. SPECIFICATIONS-------------------------------------------------------- 4

5. CE Compliance ---------------------------------------------------------- 5

6. OPERATING INSTRUCTIONS --------------------------------------- 5

6.1 DIP Switch Configuration ......................................................... 5

6.2 Sensor alignment ..................................................................... 6

7. TROUBLESHOOTING............................................................7

7.1 Common Conditions ...............................................................7

7.2 Troubleshooting Guide............................................................ 8

7.3 Technical Assistance .............................................................. 8

APPENDIX 1 COMPONENT DIAGRAM

APPENDIX 2 DIMENSIONAL DRAWINGS

WARRANTY

(1) UNPACKING THE Optical Sensor Switch

1.1 Inspect Package for External Damage

Your

Optical Sensor Switch was carefully packed in a sturdy cardboard

carton, with anti-static cushioning materials to withstand shipping shock. Upon
receipt, inspect the package for possible external damage. In case of external
damage to the package contact the shipping company immediately.

1.2 Unpack the Optical Sensor Switch

Open the carton carefully from the top and inspect for any sign of concealed
shipping damage. Please keep all packing and notify Omega Customer Service
of any damage.

When unpacking the instrument please make sure that you have all the items
indicated on the Packing List. Please report any shortages promptly.

1.3 Returning Merchandise for Repair

Please contact the customer service representative at 1-800-826-6342 ext.
2208 for a Return Authorization Number (AR).

It is mandatory that any equipment returned for servicing be purged and
neutralized of any dangerous contents including but not limited to toxic,
bacterially infectious, corrosive or radioactive substances.

1

2. DESCRIPTION

The 150mm High /Low Alarm Flow Meter with Optical Sensor
Switch is a noninvasive means for detection of a HI or LOW flow.

This sensor is ideal for signaling an alarm, cutoff valve, or other
device when the float passes the detector. A small LED sensor and
receiver are mounted on one side of the flow meter. The float inside
the flow tube is detected as it passes across the beam of light.
Sensor can be used to detect float passage beyond the set point of
the sensor, or also can be set to monitor float position at a specific
level, signaling when float is outside of the range of the sensor light
beam. Device can be configured to activate relay and/or audible

buzzer alarm.

PHONE JACK 2

9-PIN D-CONNECTOR

ALARM CONFIGURATOR

LED INDICATORS

PHONE JACK 1

RESET BUTTON

POWER JACK

3. INSTALLATION

3.1 Electrical Connections

The Optical Sensor Switch requires a +12VDC power supply with
a minimum current rating of 250 mA. Operating power and alarm
reset signals are supplied via the 9-pin AD@ connector located at the

2

side of the Optical Sensor Switch. Alternatively power can be
connected via the DC power jack on the bottom side of the unit. If
you are using your own power supply, be sure that the voltage
level is between +12 and +15 Vdc.

 SUPPLYING DC POWER TO THE POWER JACK AND THE "D"

CONNECTOR AT THE SAME TIME WILL DAMAGE THE
METER. DC POWER JACK POLARITY IS CENTER POSITIVE.



The DIP switch, located near 9-pin D-connector can be used to set
up custom settings separately for High and Low alarm.

Figure 3.1, Optical Sensor Switch 9-Pin "D" Connector Configuration.

 WARNING: DO NOT CONNECT POWER SUPPLY WITH MORE

THAN 15Vdc VOLTAGE.

 Important notes:

In general, "D" Connector numbering patterns are standardized. There are,
however, some connectors with nonconforming patterns and the
numbering sequence on your mating connector may or may not coincide
with the numbering sequence shown in our pin configuration table above. It
is imperative that you match the appropriate wires in accordance with the
correct sequence regardless of the particular numbers displayed on your
mating connector.

Make sure power is OFF when connecting or disconnecting any cables in
the system.

3

The power input is protected by a 600mA M (medium time-lag) resettable
fuse. If a shorting condition or polarity reversal occurs, the fuse will cut
power to the valve circuit. Disconnect the power to the unit, remove the
faulty condition, and reconnect the power. The fuse will reset once the
faulty condition has been removed.

Use of the Optical Sensor Switch in a manner other than that specified
in this manual may impair the protection provided by the equipment.

4. SPECIFICATIONS

Materials of Construction:
End Blocks: Aluminum or 316 Stainless Steel
Elastomers: Buna
Flow Tube: Borosilicate glass

Power input: 12VDC (15VDC maximum), Recommended Power Supply
at least 250mA regulated, peak to peak max 100mV.

Power Consumption: Less than 200mA

Accuracy: +/- 2% of full scale

Repeatability: 0.5% of full scale

Ambient Temperature: 0-70 deg. C

Response Time: 500 milliseconds

Source of Light: 650nm, red LED

Light immunity: Pulse modulated

Dry Contact Closures: 2 normally open, and normally closed relays
(1A, 30Vdc max.)

Alarm: 70 dB audible buzzer and/or visual LED

Alarm Options: High, Low, or High/Low

Buzzer: User configurable, momentary or latch

Reset: Reset button or remote through “D”-connector, to disable relay
or buzzer (remote Reset is TTL compatible active Low)

Environmental (per IEC 664): Installation Level II; Pollution Degree

Ambient Temperature: 32FF to 122FF (0FC to 50FC).

7 & Viton7 (Aluminum), Viton7 (316 SS)

4

5. CE Compliance

Any model Optical Sensor Switch bearing a CE marking on it, is in

compliance with the below stated test standards currently accepted.

EMC Compliance with 89/336/EEC as amended;
Emission Standard: EN 55011:1991, Group 1, Class B
Immunity Standard: EN 55082-1:1992

6. OPERATING INSTRUCTIONS

The Optical Sensor Switch requires a +12VDC power supply with a

minimum current rating of 250 mA. During initial power up of the Optical
Sensor Switch with no flow conditions the red LED on the retro reflective
sensors will be “On”. This is an indication that power is on and the sensors
are ready for operation. When alarm conditions become “true”, the red LED
on the top of the retro reflective sensors goes to “Off”. The retro reflective
sensors can be positioned in any position along the flow meter tube, except
directly in front of each other.

 WARNING: Do not install the sensors closer than 10 mm from one

another. Doing so may trigger a false alarm condition.

6.1 DIP switch configuration

In order to activate the alarm sensors the corresponding switch has to be

installed in the “On” position on the Configuration DIP switch (see Figure

6.1). Each sensor can be separately set for Momentary or Latch operation.
In addition the Relay and Buzzer can be configured individually. If for
example DIP switch SW1 is set to “On”, when the left retro reflective
sensor is active (Alarm Condition), the relay and green LED (on left side of
the D-connector) will be energized in the LATCH mode. They will stay in
the energized state without any conditions (even if the flow rate changes
and the retro reflective sensor have become inactive) until the RESET
button is pressed or external RESET TTL signal is applied. If momentary
mode is set (DIP switch SW3 is set to “On”) the relay and green LED will
be energized only when the left retro reflective sensor is active (Alarm
Condition). The same is true for Buzzer settings.

All Switches Off – Disable Alarm (LED, Relays and Buzzer).

5

Each Optical Sensor Switch is shipped from the factory with the retro

reflective sensors aligned and does not require additional adjustment of the
focus distance. It may be necessary or desirable to perform realignment of
the sensors if the flow tube was replaced or reinstalled (see p. 6.2).

ALARM DIP SWITCH CONFIGURATION

LEFT

ALARM

SW1 SW5 LED and Relay are On

SW2 SW6 BUZZER is On (LATCH)
SW3 SW7 LED and Relay are On

SW4 SW8 BUZZER is On momentary

Figure 6.1, Optical Sensor DIP Switch Configuration.

RIGHT

ALARM

ACTION WHEN SWITCH

IS” ON”

(LATCH)

momentary (FOLLOW
SENSOR)

(FOLLOW SENSOR)

6.2 Sensor Alignments

6.2.1 Position the sensor on the side panel of the flow tube until the

upper small alignment screw becomes visible through the service
hole on the side panel.

6.2.2 Using a small 1/16 hex wrench unscrews the alignment screw for

1 – 2 turns in order to release the sensor. Note: Do not
completely remove the alignment screw!

6.2.3 Perform the same procedure (6.2.2) for the second alignment

screw at the opposite side of the side panel.

6.2.4 Position the sensor on the side panel of the flow tube until the

bottom small alignment screw becomes visible through the
service hole on the side panel.

6.2.5 Perform 6.2.2 and 6.2.3 for the bottom alignment screws. This will

release the sensor and will allow positioning it in the horizontal
plane in order to change the focus distance.

6.2.6 Adjust the flow rate through the flow tube until the float will cross

the red LED beam. Find the correct position of the sensor by
moving the sensor in the horizontal plane (toward or against the
flow tube) until the red LED light on the top of the sensor will go
off.

6.2.7 Carefully secure the two bottom and two upper alignment screws.

6

7. TROUBLESHOOTING

7.1 Common Conditions

Your Optical Sensor Switch was thoroughly checked at numerous quality
control points during and after manufacturing and assembly operations.
It was carefully packed to prevent damage during shipment. Should you
feel that the instrument is not functioning properly please check for the
following common conditions first:

Are all cables connected correctly?

Are there any leaks in the installation?

Is the power supply correctly selected according to requirements? When
several devices are used a power supply with appropriate current rating
should be selected.

Were the connector pinouts matched properly? When interchanging with
other manufacturers' equipment, cables and connectors must be carefully
wired for correct pin configurations.

7

7.2 Troubleshooting Guide

Indication Likely Reason Remedy

No red LED light
on the top of the

Tyne-Eye retro
reflective
sensors

Buzzer or Relay
does not work

The retro

reflective sensor
does not react
on passing float
(the red LED
does not switch
to Off)

For best results it is recommended that instruments are returned to the factory

for servicing. See section 1.3 for return procedures.

Power supply off Check connection of the

power supply

Tyne-Eye sensor
cable or connector
malfunction
Wrong alignment
of the Tyne-Eye
retro reflective
sensor

Wrong
configuration of the
DIP switch

Pc board defect Return to factory for

Wrong alignment
of the retro
reflective sensor

Check cable or connection
from sensor to the Optical
Sensor Switch
Perform alignment procedure
for corresponding Tyne-Eye
retro reflective sensor (see
p.6.2 for detailed instructions)

Make correct configuration of
the DIP switch according to
Figure 6.1

replacement
Perform alignment procedure
for the corresponding retro
reflective sensor (see p.6.2
for detailed instructions)

7.3 Technical Assistance

Omega
repair personnel. Please call our Technical Assistance at 800-872-9436 ext.

7 Engineering will provide technical assistance over the phone to qualified

2298. Please have your Serial Number and Model Number ready when you call.

8

APPENDIX 1

COMPONENTS DIAGRAM

APPENDIX 2

DIMENSIONAL DRAWINGS

2.20

3.00

2.01

1.00

NOTES: Omega

7 reserves the right to change designs and dimensions at

its sole discretion at any time without notice. For certified dimensions please

contact Omega

7.

2.22

9

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for
a period of 13 months from date of purchase. OMEGA’s Warranty adds an additional one (1) month
grace period to the normal one (1) year product warranty to cover handling and shipping time.This
ensures that OMEGA’s customers receive maximum coverage on each product.

If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service
Department will issue an Authorized Return (AR) number immediately upon phone or written request.
Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no
charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser,
including but not limited to mishandling, improper interfacing, operation outside of design limits, improp­er repair, or unauthorized modification.This WARRANTY is VOID if the unit shows evidence of having
been tampered with or shows evidence of having been damaged as a result of excessive corrosion; or
current, heat, moisture or vibration;improper specification; misapplication; misuse or other operating con­ditions outside of OMEGA’s control.Components which wear are not warranted, including but not limited
to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products.However, OMEGA neither
assumes responsibility for any omissions or errors nor assumes liability for any damages that result
from the use of its products in accordance with information pr o vided by OMEGA,either verbal or writ­ten. OMEGA warrants only that the parts manufactured by it will be as specified and free of defects.
OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER,
EXPRESS OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY
WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY
DISCLAIMED.LIMITATION OF LIABILITY:The remedies of purchaser set forth herein are exclusive, and
the total liability of OMEGA with respect to this order,whether based on contract,warranty,negligence,
indemnification, strict liability or otherwise, shall not exceed the purchase price of the component
upon which liability is based. In no event shall OMEGA be liable for consequential, incidental or spe­cial damages.

CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a

“Basic Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in
medical applications or used on humans. Should any Product(s) be used in or with any nuclear
installation or activity, medical application, used on humans, or misused in any way, OMEGA assumes
no responsibility as set forth in our basic WARRANTY/ DISCLAIMER language, and, additionally,
purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever
arising out of the use of the Product(s) in such a manner.

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department.

RETURN REQUESTS/INQUIRIES

BEFORE RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN
AUTHORIZED RETURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT
(IN ORDER TO AVOID PROCESSING DELAYS). The assigned AR number should then be marked
on the outside of the return package and on any correspondence.

The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent
breakage in transit.

FOR W

ARRANTY RETURNS, please have the
following information available BEFORE
contacting OMEGA:

1. Purchase Order number under which

the product was PURCHASED,

2. Model and serial number of the product

under warranty, and

3. Repair instructions and/or specific

problems relative to the product.

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible.
This affords our customers the latest in technology and engineering.

OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2001 OMEGA ENGINEERING, INC. All rights reserved.This document may not be copied, photocopied, repro-

duced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior written
consent of OMEGA ENGINEERING, INC.

FOR NON-WARRANTY REPAIRS,

consult
OMEGA for current repair charges.Have the fol­lowing information available BEFORE
contacting OMEGA:

1. Purchase Order number to cover the

COST of the repair,

2. Model and serial number of the

product, and

3. Repair instructions and/or specific problems

relative to the product.

Where Do I Find Everything I Need for

Process Measurement and Control?

OMEGA… Of Course!

Shop online at www.omega.com

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M-4059/0306