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DATASONICS PSA-916 Скачать руководство пользователя страница 10

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

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Содержание PSA-916

Страница 1: ...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...

Страница 2: ......

Страница 3: ...ment 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 a...

Страница 4: ...chasing 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...

Страница 5: ...mer Feedback Form to identify any areas where we can make improvements For returning this form you will receive a complimentary gift from Datasonics Copy this page to provide individual forms Please r...

Страница 6: ...S 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 descriptio...

Страница 7: ...Section 6 Drawing List 6 1...

Страница 8: ...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...

Страница 9: ...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...

Страница 10: ...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 RESOL...

Страница 11: ...anges to the dip switches will change the configuration Refer to Section 3 3 Table 6 1 Configuration Standard FSI Mode Custom Description of Configuration Key SW 1 2 Internal External Serial Output SW...

Страница 12: ...listed below Store the shipping cartons and packing materials in a cool dry place for later use in system transport The unit is shipped completely assembled and internally configured Should an interna...

Страница 13: ...e are items missing or if you suspect that there has been any damage to the equipment contact Datasonics immediately 3 2 Connection The PSA 916 outputs data and receives power through a 6 pin connecto...

Страница 14: ...t the PSA 916 3 2 2 RS 232 Output The RS 232 output is set to the following parameters Baud 1200 2400 4800 or 9600 user selectable Number of Data Bits 8 Number of Stop Bits 1 Parity none On power up t...

Страница 15: ...e averaging criteria then this line will be high Essentially this line is high whenever it would be necessary to output an E on the serial output This line also goes high if error condition E1 occurs...

Страница 16: ...he unit can transmit and receive acoustic signals and that the system parameters are correctly set Description SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 Test mode see section 4 4 ON ON External key 200 MS min b...

Страница 17: ...98V Note that if under range detection is enabled verify the RS 232 output is 0 8 and the analog output is 39 8 mv If under range detection is not enabled tap on transducer face with fin ger and verif...

Страница 18: ...e sure the altimeter is attached to the bottom of the ROV so that it is not affected by echos from the skids In applications using multiple altimeters within each others range their transmissions shou...

Страница 19: ...ompletion of a project follow these preventive maintenance procedures Turn the unit OFF by unplugging the mating connector Clean the exterior of the pressure casing and transducer with fresh water and...

Страница 20: ...eter can determine the range utilizing this equation R 1 2 Cs t t Where Cs the speed of sound in meters per second t the total round trip travel time in seconds R range in meters The nominal speed of...

Страница 21: ...t of U2 is sent to the power MOSFET driver U3 U3 inverts the pulses and drives MOSFET Q1 Q1 in turn drives transformer T1 Which steps up the voltage and drives the transducer The inductance of the out...

Страница 22: ...nerates the key pulse which causes a 200khz burst to be transmitted as described in section 4 2 2 The transmission is detected by interrupt 1 which starts a 1 s timer If the transmission is not detect...

Страница 23: ...range is skipped than an E is appended to the data and the error output is goes to a logic 1 4 4 Diagnostics 4 4 1 Analog output The analog output can be tested by using the DIP switches to put the al...

Страница 24: ...it cycle and amplified output of the receiver Note that the scope capacitance will alter the signal TP5 Transmitter Key Normally 0 VDC during transmit it is at 0 6 VDC lasting for 250us TP6 2 5 VDC TP...

Страница 25: ...ection 5 Packing List Ref Qty Part No Manufacturer Description 1 1 007216 Datasonics Inc PSA 916 Top Assembly 2 1 RMG 6 FS Impulse Connector 6 pin pigtail 3 1 RMG 6 FSD HP Impulse Connector 6 pin dumm...

Страница 26: ...6 1 DATASONICS User s Manual March 1997 Section 6 Drawing List Drawing Number Description C916 06812 Assy Altimeter Board D916 07008 Schematic...

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