Omega Products FLSC790-ND-P Installation Manual

User’s Guide

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FLSC790-ND-P

Pulse Output Module

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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.

FLSC790-ND-P Pulse Output Module

FLSC790-ND-P shown with a
standard FTB790-ND Turbine,
which is sold separately.

The FLSC790-ND-P Pulse Output Module

is for use with the non-indicating FTB790-ND Series Turbine Meters only.

Open Collector Signal Output

To achieve an open collector signal output,
please reference the wiring diagram below.

The terminal block is located on the back
right side of the module. The module is fac­tory assembled for open collector signal out­put. Please provide the 820 (minimum) ohm
resistor.

Ten feet (3m) of cable is provided with the
module, trim it to desired length or extend it,
as necessary. Distances up to 5,000 ft.
(1,524m) can be achieved.

The terminal block is identified as follows:

Pin #1 Not used
Pin #2 +9 to 35 volt DC Input
Pin #3 Common Ground
Pin #4 Open Collector Signal Output

Terminal
Block

Red +9 to 35 volt DC

1
2

Black

3
4

White

Open Collector Signal

Common
(Ground)

Customer
Interfacing
Equipment

For use with

Turbine Meters

without display

(FTB790-ND

Series).

Pulse Output Module Technical Specifications

Frequency Range: 0 to 750 Hz
Housing Material: Aluminum with amorphous nylon inner housing
Connector: Hubble PG7
Cable: Belden 9363 or equivalent. Standard length of 10 ft. (3m). Other

lengths available

Temperature: –40° to +212°F (–40° to +100°C)

Open Collector Current Sinking Output

Power: External, 9 to 35 volt DC, 4.5 mA maximum
Connection: Three wire
Input: Low level sine wave from incorporated magnetic pickoff coil
Output: Square Wave Pulse. Amplitude same as supplied input voltage.

(Customer must supply 820 minimum ohm Pull Up Resistor)

➤

0.8 in.

(2.0 cm)

➤

➤

0.93 in.

(2.4 cm)

➤

➤

0.13 in. (0.3 cm)

➤

.875 in.

(2.2 cm)

➤

➤

0.81 in.

(2.1 cm)

➤

3.4 in.

(8.6 cm)

➤

➤

Turbine mounts to dotted line shown.

➤

➤

2.2 in.

(5.6 cm)

➤

NOTES:

NOTES:

MADE

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 W arranty adds an additional one (1) month grace per iod
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 a ppl y 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 not assumes liability for any damages that result
from the use of its products in accordance with information provided 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 e xclusiv e, 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 acti vity, medical
application, used on humans, or misused in any way, OMEGA assumes no r esponsibility as set forth in our basic
W ARRANTY/DISCLAIMER language, and, additionall y, 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.

RETURN REQUESTS / INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE
RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RE­TURN (AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEP ARTMENT (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 WARRANTY 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 1998 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied,

reproduced, 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 RETURNS, 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.

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