WATSON INDUSTRIES GGC-E101, Owner'S Manual

Page 1: ...A 08 30 2013 1 GPS GYRO COMPASS SYSTEM OWNER S MANUAL PART NUMBER GGC E101 GPS Module and Dual Antenna System WATSON INDUSTRIES INC 3035 MELBY STREET EAU CLAIRE WI 54703 Phone 715 839 0628 FAX 715 839...

Page 2: ...ting Cable Connections 17 8 Specifications 18 9 Dimensions 19 Figure 6 GGC E101 19 Warning 20 10 Customer Service 21 11 Appendix A 22 12 Appendix B 24 Determining and Setting Output Channels 24 Settin...

Page 3: ...S system that allows the GGC to output true North heading This unit outputs Altitude Latitude and Longitude based on the position of the aft antenna This unit will operate in two heading modes The uni...

Page 4: ...ide voltage input range Best operation is obtained at either 24 or 28 VDC although operation is fully satisfactory down to 15 VDC and up to 35 VDC Power draw of the unit is about 7 Watts The GGC power...

Page 5: ...Be careful not to pinch your fingers between the antenna assembly and case side Next swing the left hand antenna arm counterclockwise until it is fully extended Please note that the antenna arms are s...

Page 6: ...ate See the Operation Section on page 8 Figure 3 Deployment Stowing When finished taking measurements with the GGC it is time to repack the unit First shutoff the DC power supply to the unit and remov...

Page 7: ...pen and out of the way Pivot the antenna assembly down and into the bottom of the case Be careful not to pinch your fingers between the antenna assembly and case bottom Now the antenna assembly can be...

Page 8: ...ds to be switched on for the GGC unit Figure 5 GGC E101 Deployed Initialization Ideally the GGC should be stationary and level when it is turned on If not the sensor readings may not be immediately ac...

Page 9: ...des this signal The Heading Angle is referenced to the fore aft alignment of the two GPS antennas using the true North GPS Heading the string start label is G If GPS becomes unavailable relative headi...

Page 10: ...ansmission before the next string begins Example GPHDT 175 58 T 0C GPHDT message Header 175 58 True Heading 175 58 deg T True Heading 0C Checksum GPGGA Message Format The GPGGA consists of a string AS...

Page 11: ...s data is followed by a comma 12 xxxx x is a variable character string minimum 4 maximum 7 representing the geoidal separation in meters It difference between the WGS 84 earth ellipsoid and mean sea l...

Page 12: ...orth Latitude s S for South Latitude This data is followed by a comma 4 dddmm mmmmm is an eleven character string representing the Longitude in ddd degrees mm minutes and mmmmm decimal fraction minute...

Page 13: ...c is a single character representing true course over ground indicator c T always for True Heading This data is followed by a comma 4 ttt tt is a variable character string minimum 4 maximum 6 represen...

Page 14: ...t and no parity The contents of this string are formed as follows GPRMC hhmmss ss ddmm mmmmm s dddmm mmmmm s zzz zz ttt tt ddmmyy ddd d v i cc CR LF 1 The GPRMC header indicates the start of the data...

Page 15: ...ting the Magnetic Variation direction s E for East Longitude s W for West Longitude This data is followed by a comma 13 i is a single character representing the Mode Indicator i A for Autonomous i D f...

Page 16: ...senting 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 Note The field is filled with asterisks wh...

Page 17: ...ble GGC Cable 65 1 The Black wire is attached to the power supply Ground 2 The Red wire is attached to Power Supply V unit will work from 18 to 35 VDC 3 The Orange wire is attached to the computers RS...

Page 18: ...ngitude 0 6m with DGPS 2 5m without DGPS Environmental Temperature Operating 30 C to 70 C Temperature Storage 55 C to 85 C Vibration Operating 5g rms 20 Hz to 2 KHz Vibration Survival 10g rms 20 Hz to...

Page 19: ...Watson Industries Inc GGC E101 Rev A 08 30 2013 19 Dimensions Figure 6 GGC E101 Dimensions in inches Y Z X Z Y X X Z Y FORWARD Handle...

Page 20: ...for a particular purpose Excluded from any warranty given by Watson Industries are products that have been subject to abuse misuse damage or accident that have been connected installed or adjusted co...

Page 21: ...Telephone 715 839 0628 Fax 715 839 8248 email support watson gyro com Returning the Product Product shall be packaged making sure there is adequate packing around all sides Please write the words FRAG...

Page 22: ...9 99 G X Angular Rate 99 9 s Y Angular Rate 99 9 s Z Angular Rate 99 9 s Heading Rate 99 9 s Ground Track 2 Forward Velocity 399 9 Km hr Latitude 3 89 99999 Longitude 3 179 99999 Altitude 4 21500 Fee...

Page 23: ...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 24: ...ow type 2 to set up the channels The following message will appear To proceed type Y or y Now each channel will come up one at a time For example Type Y or y to output the channel type N or n to remov...

Page 25: ...Use a terminal program to interface with the unit Make sure the GPS Disable Command Line is tied to signal ground so that unit can receive computer commands Turn on unit Wait for the startup message...