WATSON INDUSTRIES DMS-SGP02 Скачать руководство пользователя страница 30

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Watson Industries, Inc.

DMS-SGP02 Rev K 03/22/2018

Split each word into two bytes:

Remove the most significant bit from each byte:

Shift lower byte left once (to remove 1 bit space between bytes):

Shift Latitude & Longitude lower two bytes once (to remove 1 bit space in second byte):

Shift Latitude & Longitude lower three bytes once (to remove 1 bit space in third byte):

Shift all bytes for each parameter left once (to remove 1 bit space a top of high byte):

Latitude

Longitude

Altitude

Velocity

0x8F
0xF9

0xE7
0xF7

0xDF
0xBD

0x9F
0xF9

0x83
0xBF

0x81
0xA4

Latitude

Longitude

Altitude

Velocity

0x0F
0x79

0x67
0x77

0x5F
0x3D

0x1F
0x79

0x03
0x3F

0x01
0x24

Latitude

Longitude

Altitude

Velocity

0x0F
0x79
0x67
0xEE

0x5F
0x3D
0x1F
0xF2

0x03
0x7E

0x01
0x48

Latitude

Longitude

Altitude

Velocity

0x0F
0x79
0xCF
0xDC

0x5F
0x3D
0x3F
0xE4

0x03
0x7E

0x01
0x48

Latitude

Longitude

Altitude

Velocity

0x0F
0xF3
0x9F
0xB8

0x5F
0x7A
0x7F
0xC8

0x03
0x7E

0x01
0x48

Latitude

Longitude

Altitude

Velocity

0x1F
0xE7
0x3F
0x70

0xBE
0xF4
0xFF
0x90

0x06
0xFC

0x02
0x90

Содержание DMS-SGP02

Страница 1: ...22 2018 1 DYNAMIC MEASUREMENT SYSTEM OWNER S MANUAL PART NUMBER DMS SGP02 Gyro System With GPS Module Dual Antennas WATSON INDUSTRIES INC 3035 MELBY STREET EAU CLAIRE WI 54703 Phone 715 839 0628 FAX 7...

Страница 2: ...7 8 Appendix A 18 Activating Command Mode Double Spacebar Mode 20 Determining Output Channels 20 Setting Output Channels 20 Setting Output Format 21 Setting Heading Mode 21 Setting Velocity Mode 22 Se...

Страница 3: ...tion is achieved by using the maintenance software to store data in non volatile memory within the DMS The DMS SGP02 differs from a standard DMS with the addition of a Dual Antenna GPS System This all...

Страница 4: ...nsor allows antenna spacing in millimeters from 0 3m up to 5m See Appendix A The larger the spacing the more accurate the GPS heading output will be Unfortunately with larger spacing values there is a...

Страница 5: ...ow for a faster recovery than waiting for the error correction routines to correct the sensor readings There are several ways to re initialize the DMS For more information see the Interface section of...

Страница 6: ...he unit Free Mode While in Free Mode the DMS will output data from the sensors without correction by the references For example the Bank Angle data output in Free Mode is calculated directly from the...

Страница 7: ...see below 2 A nine character string representing the Universal Time UTC starting with six digits a decimal point one digit and a space for up to 235959 9 Hours minutes seconds tenth seconds HHMMSS S...

Страница 8: ...or r when the calculated attitude or heading error exceeds the ranges listed above Internal functions that require these error values are disabled while the condition exists The system will continue...

Страница 9: ...nd does not require command mode to be in effect 5 A K or k will clear the Free Mode Command and the Hold Mode Command This command does not require command mode to be in effect 6 An will reinitialize...

Страница 10: ...with the system hanging up during the binary output mode check for cross talk between the serial transmit and receive line in your installation In addition check to see that the communications progra...

Страница 11: ...y scale factors can be handled through simple changes in the scale factor stored in the EEPROM in the microprocessor This can be done with a PC and the assistance of the factory Input Logic Commands T...

Страница 12: ...de Longitude 0 6m with DGPS 2 5m without DGPS Environmental Temperature Operating 40 C to 85 C Temperature Storage 55 C to 85 C Vibration Operating 2 5g rms 20 Hz to 2 KHz Vibration Survival 10g rms 2...

Страница 13: ...Watson Industries Inc DMS SGP02 Rev K 03 22 2018 13 Figure2...

Страница 14: ...3 RXD 9 No Connection 20 Forward Acceleration Analog Output 4 Shorted to pin 6 10 Initialization Command 21 Lateral Acceleration Analog Output 5 Signal Ground 11 Velocity Input option 22 Vertical Acce...

Страница 15: ...Watson Industries Inc DMS SGP02 Rev K 03 22 2018 15 Figure 4 GPS Antenna Dimensions...

Страница 16: ...ncluding but not limited to any implied warranty of merchantability or fitness for a particular purpose Excluded from any warranty given by Watson Industries are products that have been subject to abu...

Страница 17: ...elby Street Eau Claire WI 54703 ATTN Service Department Telephone 715 839 0628 Fax 715 839 8248 email support watson gyro com Returning the Product Product shall be packaged making sure there is adequ...

Страница 18: ...Angular Rate ZR 99 9 s 200 s Heading Rate HR 99 9 s 200 s User Channel 1 U1 9 99 VDC 10 VDC User Channel 2 U2 9 99 VDC 10 VDC User Channel 3 U3 9 99 VDC 10 VDC User Channel 4 U4 9 99 VDC 10 VDC Groun...

Страница 19: ...nce Command selected 4 GPS enabled 5 Free Mode selected 6 Logic Input Switches disabled e g Status 040 octal 0 100 000 binary bit 6 is reset No Checksum Error bit 5 is set Ready bit 4 is reset No Velo...

Страница 20: ...keyboard commands Note Most Watson sensors have initialization times that are shorter than 30 seconds Any extra keystrokes other than two spacebars sent during initialization will deactivate command...

Страница 21: ...are two output formats Decimal output _ Command Binary output Command To change the output format 1 Activate Command Mode See above 2 Press the key Command corresponding to the format you want to swi...

Страница 22: ...locity type 2 This is the normal DMS mode non GPS Make sure that the proper analog velocity signal is applied To make this selection the default the next time you power the unit on type in a quote mar...

Страница 23: ...rate type 8 This will bring up the menu 4 Change the baud rate to a new setting To change to 38 400 Baud type 1 To change to 19 200 Baud type 2 To change to 9 600 Baud type 3 To change to 4 800 Baud...

Страница 24: ...angular displacement signals Careful note should be taken of the angles indicated in the reference mode The sensor should then be tipped on the pivot into the other stable position and the angle agai...

Страница 25: ...the sensor at a 45 angle to the horizontal in pitch only taking care not to move the sensor at an angular rate of more than 100 sec The Forward Lateral and Vertical Acceleration outputs should not cha...

Страница 26: ...s then shifted left to shift out the 7th bit always set to 1 What remains is a signed fractional word with a resolution of 13 bits plus a sign bit To convert binary data Split each word into two bytes...

Страница 27: ...85 sec 15 015 sec 54 980 sec Example 2 The Unit is seeing these conditions Binary output Format One word per output parameter 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Data Word MSB LSB Bit 7 of the MSB is set...

Страница 28: ...Convert to units counts scale factor For Bank Elevation Scale factor is 180 32768 counts For Heading Scale factor is 360 65536 counts For Accelerations Scale factor is 10g 32768 counts For Angular Rat...

Страница 29: ...d byte is connected to the lower word These 3 bytes are then shifted left to shift out the 7th bit always set to 1 The MSB is then connected to the 3 lower bytes as a 32 bit long word This long word i...

Страница 30: ...1 bit space a top of high byte Latitude Longitude Altitude Velocity 0x8F 0xF9 0xE7 0xF7 0xDF 0xBD 0x9F 0xF9 0x83 0xBF 0x81 0xA4 Latitude Longitude Altitude Velocity 0x0F 0x79 0x67 0x77 0x5F 0x3D 0x1F...

Страница 31: ...83648 counts 535248752 counts 180 231 counts 44 86403 For Longitude Scale factor is 180 231 or 2147483648 counts 1091240048 counts 180 231 counts 91 46668 For Altitude Scale factor is 32768 feet 216 o...

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