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WATSON INDUSTRIES DMS-S605, Owner'S Manual

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Watson Industries, Inc. 

 

DMS-SGP02 Rev K 03/22/2018 

 

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:  (715) 839-8248 

 

email: [email protected] 

 
 

 
 

Summary of Contents for DMS-S605

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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