Emerson 404B User manual
Quick Start Guide
MHM-97921, Rev 0
June 2018
Emerson 404B Infrared Phototach
Copyright
© 2018 by Emerson. All rights reserved.
No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval
system, or translated into any language in any form by any means without the written permission
of Emerson.
Disclaimer
This manual is provided for informational purposes. EMERSON MAKES NO WARRANTY OF ANY
KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Emerson shall
not be liable for errors, omissions, or inconsistencies that may be contained herein or for
incidental or consequential damages in connection with the furnishing, performance, or use of
this material. Information in this document is subject to change without notice and does not
represent a commitment on the part of Emerson. The information in this manual is not all-
inclusive and cannot cover all unique situations.
Patents
The product(s) described in this manual are covered under existing and pending patents.
Contents
Introduction ................................................. 3
Charge the 408 battery pack .........................6
Connect the 404B Infrared Phototach .........10
Set up the 404B Infrared Phototach ............ 16
Technical data ............................................ 19
Product certifications ..................................21
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1 Introduction
Topics covered in this chapter:
•Emerson 404B Infrared Phototach description of intended use
•Overview
•Clean the product
•Return of materials
1.1 Emerson 404B Infrared Phototach description of intended
use
The 404B Infrared Phototach is a self-contained, reflective sensor. The 404B
Infrared Phototach is relatively immune to ambient light sources, making it
ideal for outdoor use in areas where reflected light and glare cause
conventional phototachs to malfunction. It provides direct readings up to
20,000 RPM at distances up to three feet. Distances may vary with RPM. The
phototach's small effective beam makes it a good choice for sensing
relatively small objects, while its visible red light makes it extremely easy to
align.
The 404B Infrared Phototach is intended to be used with an AMS 2140
Machinery Health Analyzer, with or without an optional 408 battery pack.
The 404B Infrared Phototach can be powered directly from an AMS 2140
Machinery Health Analyzer with the cable provided in the package. The
optional 408 battery pack may also be used with the 404B Infrared Phototach
for extended use.
The 404B Infrared Phototach can only be connected directly to the AMS 2140
Machinery Health Analyzer via the required tach cable purchased from
Emerson. See the AMS 2140 Machinery Health Analyzer User Manual for
more information.
The 404B Infrared Phototach is an accessory to the AMS 2140 Machinery
Health Analyzer. This document includes the basic instructions for setting up
the 404B Infrared Phototach and connecting it to the AMS 2140 Machinery
Health Analyzer.
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Emerson 404B Infrared PhototachFigure 1-1:
1.2 Overview
This document describes the basic connections and set up for the 404B
Infrared Phototach. Refer to the AMS 2140 Machinery Health Analyzer User
Guide for detailed instructions for data collection.
1.3 Clean the product
To clean the exterior of the phototach or battery pack, use only a dry, lint-
free towel or cloth dampened with a mild soap and water solution. Do not
use any abrasive or corrosive chemicals or materials, or any petroleum
distillates and ketone solvents (for example, acetone, gasoline and
kerosene).
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1.4 Return of materials
If you need to return the device to an Emerson Product Service Center for
maintenance, contact Emerson Product Support to obtain a Return Materials
Authorization (RMA) number and receive additional instructions.
Emerson Product Support contact information:
Phone Toll free 800.833.8314 (U.S. and Canada)
+1.512.832.3774 (Latin America)
+63.2 702.1111 (Asia Pacific, Europe, and Middle East)
Email [email protected]
Web http://www.emerson.com/en-us/contact-us
Note
If the phototach has been exposed to hazardous substances, a Material
Safety Data Sheet (MSDS) must be included with the returned materials. An
MSDS is required by law to be available to people exposed to specific
hazardous substances.
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2 Charge the 408 battery pack
Topics covered in this chapter:
•Test the 408 battery pack
•Charge the 408 battery pack
2.1 Test the 408 battery pack
Before charging, test the battery pack to see if it has already been charged.
Procedure
1. Locate the power switch on the 408 battery pack.
408 battery pack front panelFigure 2-1:
A. Power switch
2. The power switch has three positions: On (left), Off (middle), and Battery
Test (right). Press the power switch to the right to test the battery. A
successful battery test is indicated by a red light. If the light shows red,
then the battery pack has a charge. If the light does not show red, the
battery needs to be charged.
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408 battery pack during battery testFigure 2-2:
Note
The current model of the 408 battery pack uses six NiMH batteries. Older
models of the 408 battery pack use NiCad batteries. If the battery pack
cannot properly be charged, these batteries may need to be replaced.
Batteries must be replaced by Emerson. See the Return of Materials
section in this manual for more information.
2.2 Charge the 408 battery pack
The 404B Infrared Phototach can be powered directly from an AMS 2140
Machinery Health Analyzer using the cable provided in the package.
However, for extended use the 404B Infrared Phototach can be powered
from the 408 battery pack.
CAUTION!
The 408 battery pack should be charged before first use.
Note
A wiring diagram is provided on the back of the 408 battery pack for quick
reference.
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408 battery pack wiring diagramFigure 2-3:
Procedure
1. Find the appropriate power cable for your use in your country.
2. Connect the smaller end of the power charger cable to the connector
labeled CHARGER on the 408 battery pack.
Note
The power charger may not insert completely into the 408 battery pack.
This is normal and should not cause concern.
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408 battery pack with charger connectedFigure 2-4:
3. Plug the power cable into an AC wall socket. Allow two hours for
complete charging.
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3 Connect the 404B Infrared Phototach
Topics covered in this chapter:
•Connect the 404B Infrared Phototach to the AMS 2140 using the 408 battery
pack
•Connect the 404B Infrared Phototach to the AMS 2140 without using the
408 battery pack
3.1 Connect the 404B Infrared Phototach to the AMS 2140
using the 408 battery pack
You can use the 408 battery pack to power the 404B Infrared Phototach
while connected to the AMS 2140 Machinery Health Analyzer.
Procedure
1. If the 408 battery pack has been charged, you may remove the power
cable. It is not needed since the 408 battery pack will be running off of
battery power.
2. Connect the 404B Infrared Phototach cable to the INPUT connector on
the 408 battery pack by turning it clockwise until tightened.
408 battery pack with 404B Infrared Phototach cable
connected to INPUT connector
Figure 3-1:
A. INPUT connector
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