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Table of Contents

Fuse, Safety, and Technical Support Information ......................... 4

Fuse Information............................................................................... 4

2.1

Safety .........................................................................................................................................4

2.2

Technical Support ......................................................................................................................4

2.3

Cleaning .....................................................................................................................................4

Warranty Agreement ........................................................................ 5

3.1

Instrument Limited Warranty.....................................................................................................5

3.2

Software Limited Warranty .......................................................................................................5

3.3

Application Disclaimer ..............................................................................................................5

General Description.......................................................................... 6

4.1

Description .................................................................................................................................6

4.2

Physical ......................................................................................................................................7

Theory of Operation ......................................................................... 8

5.1

DPR300 Subsystems and Their Functions.................................................................................8

Controls, Indicators, and Connectors .......................................... 11

Instrument Setup ............................................................................ 15

7.1

System Components.................................................................................................................15

7.2

Mains Disconnect.....................................................................................................................15

7.3

Earth Ground............................................................................................................................15

7.4

Computer Requirements ..........................................................................................................15

7.5

System Configuration ..............................................................................................................15

Operation......................................................................................... 16

8.1

Pulse-Echo Mode Operation ....................................................................................................16

8.2

Transmission Mode Operation.................................................................................................16

8.3

Operating the DPR300 .............................................................................................................17

Remote Operation of the DPR300 ................................................. 19

9.1

Overview of Remote Operation ...............................................................................................19

9.2

JSR Control Panel graphical user interface..............................................................................20

中国代理商-长沙鹏翔电子科技有限公司

地址：长沙高新区文轩路27号麓谷企业广场A4栋507 电话： 0731-84668116 传真：0731-84668126

Содержание DPR300

Страница 1: ... Receiver Operator Manual February 2011 www JSRUltrasonics com Copyright 2006 2011 Imaginant Inc All Rights Reserved 0000 0200 1006 D 中国代理商长沙鹏翔电子科技有限公司地址长沙高新区文轩路27号麓谷企业广场A4栋507 电话 0731 84668116 传真 0731 84668126 1 ...

Страница 2: ...1 DPR300 Subsystems and Their Functions 8 6 Controls Indicators and Connectors 11 7 Instrument Setup 15 7 1 System Components 15 7 2 Mains Disconnect 15 7 3 Earth Ground 15 7 4 Computer Requirements 15 7 5 System Configuration 15 8 Operation 16 8 1 Pulse Echo Mode Operation 16 8 2 Transmission Mode Operation 16 8 3 Operating the DPR300 17 9 Remote Operation of the DPR300 19 9 1 Overview of Remote ...

Страница 3: ... control via serial port commands 22 9 6 COM Port Configuration 22 9 7 PRF Control 23 10 Pulser 23 10 1 Receiver 24 10 2 PC or Compatible Control Computer 24 10 3 Environmental Conditions 25 10 4 Miscellaneous 25 中国代理商长沙鹏翔电子科技有限公司地址长沙高新区文轩路27号麓谷企业广场A4栋507 电话 0731 84668116 传真 0731 84668126 3 ...

Страница 4: ... be impaired Ensure that the power cord is appropriate before connecting the DPR300 to mains power Use a power cord rated for the mains voltage preferably a power cord supplied by the equipment manufacturer or authorized agent 2 2 Technical Support The answers to most questions regarding the use of the DPR300 Pulser Receiver are contained in this manual If you cannot find an answer to a question p...

Страница 5: ...tware will perform under normal usage and without unauthorized modification substantially in accordance with the specifications published in the documentation and those set forth in Imaginant advertising material Imaginant also warrants that under normal use the media upon which this program is recorded is not defective and that the user documentation is substantially complete and contains the inf...

Страница 6: ...ployed Sixteen discrete damping levels in the DPR300 allow the transducer response to be adjusted over a wide damping range With the DPR300 configured for pulse echo mode operation acoustic echoes reflected from interfaces or defects within the test material are converted by the transducer into electrical signals that are presented to the T R connector of the DPR300 The low noise DPR300 receiver a...

Страница 7: ...00 ultrasonic pulser receiver is a complete instrument on a stand alone enclosure The enclosure dimensions are 12 deep 8 25 wide and 3 5 high 中国代理商长沙鹏翔电子科技有限公司地址长沙高新区文轩路27号麓谷企业广场A4栋507 电话 0731 84668116 传真 0731 84668126 7 ...

Страница 8: ...nterface for instruments with the remote PC control option Instrument control software resides in the remote computer and controls the instrument via the RS 232 serial interface bus DPR300 System Block Diagram T R Receiver Out 50 Ω Through Receiver Amplifier Attenuator 500 Ω Trig Sync Echo Through Select Pulser Trigger Select High Voltage Power Supply PRF Oscillator RS 232 Interface Bus Front Pane...

Страница 9: ...four energy and two impedance values and the single Energy and Impedance control adjusts the pulse energy and the pulser impedance The damping control allows the damping impedance at the pulser output to be set to one of sixteen discrete values 5 1 4 Pulser Trigger Control This control selects between the internal PRF oscillator or an external source applied to the Trig Sync connector as trigger s...

Страница 10: ...ss Filters These filters are available for eliminating undesirable low frequency energy from the DPR300 receiver signal High pass filtering can be used as a means of providing faster receiver recovery from strong signals such as the excitation pulse or strong interface echoes Six high pass filter settings are available in the DPR300 中国代理商长沙鹏翔电子科技有限公司地址长沙高新区文轩路27号麓谷企业广场A4栋507 电话 0731 84668116 传真...

Страница 11: ...ECEIVER ECHO LP FILTER MHz 0 1 2 3 4 5 6 7 8 9 0 10 20 30 40 50 60 70 1 2 3 4 1 2 3 4 1 2 3 16 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 16 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 16 4 5 6 7 8 9 10 11 12 13 14 15 OUT 2 5 12 5 7 5 7 5 10 15 35 22 5 1 0 5 0 3 0 6 1 1 Main Power Switch A push button switch for turning on off power to the DPR300 6 1 2 Power Indicator LED Power An amber colored LED that lights t...

Страница 12: ...he value indicated 6 1 9 LP Filter Control This control is a rotary switch that sets the receiver low pass filter to the value indicated 6 1 10 Pulse Amplitude Control This control is a rotary switch that sets the amplitude of the excitation pulse generated by the pulser The amplitude is adjustable between 100V and 475V or 100V and 900V depending on the pulser option installed 6 1 11 Pulse Energy ...

Страница 13: ...nnecting to a transmit receive T R transducer during pulse echo mode operation or to a transmitting transducer during through transmission mode operation 6 1 15 Receiver Output Connector Receiver Output This connector is a BNC receptacle on which the output signal from the DPR300 receiver is available This output signal line should be terminated with a 50 Ω load 6 1 16 Trig Sync Connector This con...

Страница 14: ...PR300 is affected on units with the remote PC control option installed An RS 232 serial interface port on the control computer is connected to the Input RJ45 receptacle using the eight conductor reversing RJ45 cable and the DB 9 to RJ45 adapter supplied with the DPR300 When control of other DPR300 instruments is desired they may be added in a daisy chain fashion by connecting a reversing RJ45 cabl...

Страница 15: ...be controlled by a PC or compatible computer with an available COM1 COM2 or RS 232 serial port 7 5 System Configuration 1 Locate the power receptacle on the rear of the DPR300 2 Verify that the fuse values are correct Pull the fuses out of the power receptacle and verify that they both have value 20A Slide the proper fuses into the power receptacle and snap the cover closed 3 For DPR300 units with...

Страница 16: ...beled T R typically via a short length of 50Ω coaxial cable The DPR300 pulse echo mode configuration is shown in the following figure Pulse Echo Mode Operation Trig Through T R Receiver Out 50 Ω Transducer Oscilloscope Sig Trig Sync 8 2 Transmission Mode Operation For transmission mode operation separate transmitting and receiving transducers are employed The transmitting transducer is connected t...

Страница 17: ...e triggered by the internal PRF oscillator and connect the DPR300 Trig Sync connector to the external trigger input of the monitoring oscilloscope If the DPR300 pulser is to be triggered from an external source such as the synchronization signal of a waveform digitizer then set the pulse trigger control to EXT and connect both the DPR300 Trig Sync connector and the external trigger input of the os...

Страница 18: ...nto a 50 Ω load at the SIG OUT connector 7 Adjust the high and low pass filter cutoff frequencies as necessary High pass filters can be used to speed amplifier recovery from the main excitation pulse or large interface echoes For the low pass filter the cutoff frequency can be reduced in order to improve the signal to noise ratio in low frequency applications 中国代理商长沙鹏翔电子科技有限公司地址长沙高新区文轩路27号麓谷企业广...

Страница 19: ...e connected to the control computer with a USB to RS 232 dongle with the RS 232 side connected to the DPR300 and the USB side connected to the control computer The software on the PC will work with either a hardware COM port or a USB to RS 232 dongle configured as a virtual COM port The software will also work with a combination of both hardware COM port and USB dongle if more than one instrument ...

Страница 20: ...rations of settings can be named saved and restored Displays allowed ranges of settings in physical units Displays and controls current settings Query button allows refresh of all values from front panel changes Controls any number and mix of DPR300 DPR500 or PRC50 instruments Operates on Windows 2000 Windows XP Windows Vista or Windows 7 systems Can operate in simulate mode to test before purchas...

Страница 21: ...llows control and display of settings in physical units Range checks all commands providing descriptive error messages Error messages can be numeric or text strings Can operate in simulate mode to allow code development before purchasing an instrument Operates on Windows 2000 Windows XP Windows Vista or Windows 7 systems Application code can be in C or C The JSR Common SDK has an extended property...

Страница 22: ...he DPR300 only Documentation of that protocol is not included in this newer manual in order to encourage developers to use either of the two modern interfaces described above If you wish to have a copy of the manual that describes the serial port protocol please write to TechSupport JSRUltrasonics com 9 6 COM Port Configuration The RS 232 serial port on the control computer should be configured to...

Страница 23: ...8 7 Energy Index 3 15 15 15 15 15 15 13 12 10 9 8 7 6 5 4 4 Maximum Recommended PRF Value vs Energy Value and Pulser Voltage Value for DPR300 Units with the 900V Pulse Voltage Option When a DPR300 instrument with a 900V pulser option is operated in internal trigger mode the above PRF limits will always be applied as the Energy and Voltage values are adjusted However for such instruments operated i...

Страница 24: ...cillator and external source External Trigger Input 3 5 V positive going pulse Triggering will occur synchronously with leading edge of trigger signal TTL and CMOS compatible 10 1 Receiver Gain 13 to 66 dB in 1 dB steps controlled by the host computer Phase 0o noninverting Input Impedance 500 Ω through transmission Bandwidth 001 35 MHz 3 dB or 001 50 MHz 3 dB High Pass Filter DC 1 2 5 5 7 5 and 12...

Страница 25: ...ns Operating Temperature 0 to 50 O C Operating Humidity 0 to 80 RH non condensing 10 4 Miscellaneous Voltage 100VAC 120VAC 220VAC 240VAC 50 60 Hz Power 10 W Dimensions 3 9 High 8 5 Wide 12 25 Deep Weight 5 0 lbs 2 3 Kg Operating Temperature 0 to 50 o C Fuse 25A 250V 3AG type slow blow glass cartridge fuses Notes Specifications typical at 25 o C 中国代理商长沙鹏翔电子科技有限公司地址长沙高新区文轩路27号麓谷企业广场A4栋507 电话 0731...

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