Omega Products FLSC790-P Installation Manual

User’s Guide

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FLSC790-P

Pulse Output Module

For use with FTB790 Series

Turbine Meters with Display Electronics

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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.

TABLE OF CONTENTS

Introduction ................................................1

Installation and Wiring .............................. 1

Technical Specifications ............................ 2

Typical Wiring ............................................3

Warranty/Disclaimer .................................. 5

Return Requests/Inquiries .......................... 5

INTRODUCTION

Caution: This Pulse Output Module is not

FM Approved. Therefore, use of this
module with an approved metering
system, voids FM Approval.

This module is designed to be used only with
FTB790 Series Turbine Meters. More spe­cifically, turbine housings with the follow­ing models: FTB791, FTB792, FTB793,
FTB794, and FTB795.

Combine the Pulse Access Module with an
FTB790 Series T urbine Electronics to create
a low-cost flow sensor with both local read­out and pulse output which interfaces with
various counters, controllers, and compatible
process equipment.

The pulse output of this module provides an
unscaled, amplified, digital signal capable of
transmission up to 5,000 ft. (1,524m) with­out additional signal conditioning or ampli­fication devices.

The Pulse Output Module comes complete,
ready to install, with a circuit assembly,
coverplate assembly , and 10 ft. (3m) of cable.

INSTALLATION & WIRING

T o install this module, follow the instructions
given below.

1. Remove the back coverplate from the
turbine housing.

2. Remove the display electronics from the
front of the turbine.

NOTE: If you are installing more than one

Pulse Access Module a t a time, take care
to keep the proper electronics paired with
the original turbine.

+–

J2

J6

+–

3. The Pulse Access Module connects to a
10-pin connector located on the back side
of the computer electronics next to the
negative battery connectors. The 10-pin
connector is sealed with a clear plastic
sealant that must be carefully pried out
with a small sharp tool inserted gently
at the edges.

4. Remove the backing from the double-sided
tape on the module’s PC board.

5. Carefully align the top pin on the PC
board with the J2 position on the 10-pin
connector and gently press the PC board
into position between the batteries. The
bottom pin will align with the J6 position.

6. Guide the loose ends of the wires from the
PC board through the housing’s cavity to
the back side of the turbine.

7. Install the display electronics to the front
side of the turbine and tighten the four
screws snugly.

Terminal

Block

White

White

J2

Pulse Out

Black

J6

Common

10-pin
Connector

8. Connect the loose ends of the wires to
the terminal block on the inside of the
back coverplate provided with this mod­ule. Connect white (pulse out) to white
and black (common) to black.

Caution: Do not connect the red wire. This

module does not require connection of the
red wire. Use of this wire will damage your
equipment.

Signal

Customer
Interfacing
Equipment

Black

Common

Internal External

1