DATASONICS PSA-916 Manuale utente
Datasonics, Inc.
PSA-916 Sonar Altimeter
User’s Manual
Rev. March 1997
Datasonics, Inc.
P.O. Box 8 - 1400 Route 28A
Cataumet, MA 02534
Telephone: 508/563-5511
Fax: 508/563-9312
PROPERTY OF DATASONICS
The information, descriptions, photos and illustrations in this manual are
the property of Datasonics, Inc. These materials may not be reproduced
or disseminated without the prior written consent of Datasonics.
WARRANTY
Datasonics, Inc. warrants each of its products to be free from defects in
material and workmanship for a period of one year from date of delivery
to the original purchaser.
Obligation under this warranty shall belimited to the repair or, at the sole
discretion of Datasonics, replacement of any product returned to our
Cataumet, Massachusetts, facility or to a Datasonics-authorized field
service facility. All products returned shall be shipped to Datasonics
Freight Prepaid, and shall be returned to the customer Freight Collect.
This warranty does not apply in cases where the equipment
malfunctioned as a result of mishandling or improper operation.
LIABILITY
Datasonics assumes no liability for damages, losses or costs incurred
consequentially through operation or malfunction of any Datasonics
product.
TITLE
Title passes to the buyer on deliver to the carrier at Cataumet,
Massachusetts. Risk of damage or loss following such delivery shall be
on the buyer, and Datasonics shall in no way be responsible for safe
arrival of the shipment. Title shall pass to the buyer regardless of any
provision for payment of freight or insurance by Datasonics, and
regardless of the form of the shipping documents. If the shipment is
consigned to Datasonics, it shall be for the purpose of securing the
buyer's obligations under the contract.
CHANGES
Datasonics reserves the right to make changes in design or
specifications at any time without incurring any obligation to modify
previously installed units.
This manual is provided for informational and reference purposes only
and is subject to change without notice.
DATASONICS
PSA-916 Sonar Altimeter March 1997
PREFACE
Congratulations on purchasing a Datasonics PSA-916 Precision Sonar
Altimeter.
This User Manual provides complete instructions on using and maintaining
the PSA-916. Please read it prior to deploying the equipment and keep it
where it can provide a reference during setup and operation of the altimeter.
CUSTOMER FEEDBACK FORM
We appreciate any suggestions you may have for making Datasonics
products more useful to you and other users, including comments about the
PSA-916unititself,thewaytheequipmentis packagedanddeliveredand the
quality of this User's Manual. Please use this Customer Feedback Form to
identifyanyareaswhere wecanmake improvements.Forreturningthis form,
you will receive a complimentary gift from Datasonics
Copy this page to provide individual forms. Please reference page and figure
numbers where applicable.
Please mail this form to:
Datasonics, Inc.
Customer Service
P.O. Box 8 - 1400 Route 28A
Cataumet, Massachusetts 02534
Or fax the form to: 508-563-9312.
Customer Name:
Name of Individual Completing Form:
Model Number
Unit Serial Number
Date:
Comments:
DATASONICS
PSA-916 Sonar Altimeter March 1997
Table of Contents
Section 1. Overview........................................................................................................... 1
Applications .........................................................................................................................2
Section 2. Specifications of Unit.................................................................................... 2-1
Section 3. Setup and Deployment..................................................................................... 1
Unpacking and Disassembly ...............................................................................................1
Connection ...........................................................................................................................2
Connector Pin-out ...........................................................................................................2
RS-232 Output ................................................................................................................3
Error Output ....................................................................................................................4
Analog Output .................................................................................................................4
External Key ...................................................................................................................4
Configuration .......................................................................................................................5
Predeployment .....................................................................................................................5
Deployment .........................................................................................................................6
Maintenance ........................................................................................................................7
Section 4. Theory of Operation ..................................................................................... 4-1
Operating Principle ...........................................................................................................4-1
Board level description .....................................................................................................4-1
Power Supply ...............................................................................................................4-2
Transmitter ...................................................................................................................4-2
Receiver .......................................................................................................................4-2
Microcontroller ............................................................................................................4-3
Firmware Description .......................................................................................................4-3
Main Program ..............................................................................................................4-3
Averaging Algorithm ...................................................................................................4-4
Diagnostics .......................................................................................................................4-4
Analog output ..............................................................................................................4-4
Test Points ....................................................................................................................4-5
Error Message ..............................................................................................................4-5
Section 5. Packing List................................................................................................... 5-1
1-1 DATASONICS
User’s Manual March 1997
Section 1. Overview
ThePSA-916isamicroprocessor-controlled,self-contained,underwater
acoustic product. It generates a narrow beam acoustic signal and
measures the travel time for the signal to bounce back from the target
surface. The unit provides range data in both analog and digital formats
for analysis and process control.
The PSA-916 is housed in a corrosion-resistant anodized aluminum
pressure case.It is O-ring-sealed andrated for operationin water depths
up to 2,500 meters. The external 6-pin connector provides connections
for external power source input, external key source input, analog and
RS-232 output.
Figure 1-1 PSA-916 Sonar Altimeter
PSA-916 Sonar Altimeter 1-2
Overview Applications
1.1 Applications
The Model PSA-916 with the built-in flexibility of its microprocessor design,
cost-effectively meets a wide variety of sonar measurement applications with
a single self-contained instrument.
The most common use of the Model PSA-916 Sonar Altimeter is for altitude
measurement (height above bottom). Other uses include:
!Wave height measurement
!Obstacle avoidance
!Altitude of an ROV and other submersibles
!Surveying of shallow waters
!Sediment transport studies
2-1 DATASONICS
Volume I System Manual March 1997
Section 2. Specifications of Unit
TRANSMIT FREQUENCY: 200 kHz
TRANSMIT PULSE WIDTH: 250 microseconds
BEAM PATTERN: 14° conical
PULSE REPETITION RATE: Selectable: Internal or External
Internal - 5 pulses per second
External - customer controlled rate, up to 5
pulses per second
RANGE: 100 meters full scale; 1.0 meter guaranteed
minimum; 0.8 meter typical
ANALOG OUTPUT: 0 to 5 VDC
DIGITAL OUTPUT: RS-232, baud rate 9600, 4800, 2400 or 1200,
(user selectable)
RESOLUTION: RS-232: 1 cm
Analog: 2.5 cm
POWER REQUIREMENT: 6 to 24 VDC
CURRENT: 50 ma @ 15 VDC
100 MA @ 6 VDC
OPERATING DEPTH: 2,500 meters
CONNECTOR: Part Number: Impulse XSG-6-BCL-3/4-16
MATING PIGTAIL: Part Number: Impulse RMG-6-FS
DIMENSIONS: 2 1/4 in. OD x 9 in. long
WEIGHT: In Air: 1.4 lbs
In Water: 0.8 lbs
Indice
