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Related Manuals for WATSON INDUSTRIES GGC-E101
Summary of Contents for WATSON INDUSTRIES GGC-E101
- Page 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) 839-8248 email: support@watson-gyro.com Watson Industries, Inc. GGC-E101 Rev A 08/30/2013...
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Page 2: Table Of Contents
Setting Heading Mode..........................25 Watson Industries prides itself on solving customer problems and serving their needs in a timely fashion. This manual is intended to facilitate this goal and to provide written information about your product. We ask that you carefully read this manual. -
Page 3: Introduction
Introduction The GPS Gyro Compass System (GGC-E101) is a solid-state sensor system that provides the user with dynamic measurements of Angular Attitude and Heading, together with GPS output messages. This System consists of a DMS unit and two mounted GPS antennas inside a water-resistant carry case. -
Page 4: Orientation
Handle Mounting The GGC-E101 case needs to be placed on a flat horizontal surface. Unsnapping the four plastic clasps opens the GGC case. The case cover needs to be fully opened so that the cover is below the antennas when they are deployed to avoid interference with the GPS satellite signals. -
Page 5: Figure 2 – Ggc-E101 Stowed
Antenna arm Antenna assembly straps Figure 2 – GGC-E101 Stowed Deployment After the unit is aligned and connections have been completed, the antennas can be deployed. See Figure 3 for information on deploying the antennas. First open the two straps that secure the antenna assembly. -
Page 6: Figure 3 – Deployment
When finished taking measurements with the GGC it is time to repack the unit. First shutoff the DC power supply to the unit and remove Red and black wires from power supply. Next disconnect Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 7: Figure 4 – Stowing
Secure the cable by closing the five straps. Close the cover and secure by snapping the four plastic clasps. Step 1 – Release metal clasps and stow antenna arms. Step 2 – Lower Antenna Assembly Step 3 – Close Case Figure 4 – Stowing Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 8: Operation
GGC. Next the power needs 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 accurate after initialization. -
Page 9: Normal Operation
The five GPS messages are GPHDT, GPGGA, GPGLL, GPVTG, GPRMC. The unit is shipped configured for this output. Here is an example of the five string frame: $GPHDT,175.58,T*0C $GPGGA,175612.00,4451.84239,N,09128.00147,W,2,06,1.1,275.2,M,-33.0,M,6.0,0133*7B $GPGLL,4451.84239,N,09128.00147,W,175612.00,A,D*78 $GPVTG,186.55,T,187.35,M,0.13,N,0.24,K,D*25 $GPRMC,175612.00,A,4451.84239,N,09128.00147,W,0.13,186.55,081210,0.8,W,D*39 Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 10: Gphdt Message Format
“mm” minutes, and “.mmmmm” decimal fraction minutes. This data is followed by a comma. “s” is a single character representing the Latitude direction. s = N for North Latitude, s = S for South Latitude. This data is followed by a comma. Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... - Page 11 Header 175612.00 Universal Time 17 Hrs 56 minutes 12.00 seconds 4451.84239 Latitude 44 deg 51.84239 minutes North Latitude 09128.00147 Longitude 91 deg 28.00147 minutes West Longitude Quality factor = 2 Diff. Corrected Pos. Watson Industries, Inc. GGC-E101 Rev A 08/30/2013...
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Page 12: Gpgll Message Format
“*cc” is a three character string representing an asterisk followed by a two digit hexadecimal checksum. <CR><LF> The string is terminated by a carriage return and Line Feed. There will then be a short interval with no data transmission before the next string begins. Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 13: Gpvtg Message Format
= K(always) for kilometer/hour. This data is followed by a comma. “i” is a single character representing the Mode Indicator. i = A for Autonomous, i = D for Differential, i = E for Estimated. Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 14: Gprmc Message Format
South Latitude. This data is followed by a comma. “dddmm.mmmmm” is an eleven character string representing the Longitude in “ddd” degrees, “mm” minutes, and “.mmmmm” decimal fraction minutes. This data is followed by a comma. Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... - Page 15 0.13 Speed over ground 0.13 knots Track Made Good 186.55 degrees 186.55 UTC Date of postion fix 08 December 2010 081210 Magnetic Variation 0.8 degrees West Magnetic Variation Mode indicator = Differential Checksum Watson Industries, Inc. GGC-E101 Rev A 08/30/2013...
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Page 16: Optional Rs-232 Digital Output
59.99999 minutes East or West. The field is filled with asterisks when the data is invalid. (“*****.*****,*”) A six character string representing the Altitude by five digits and a space for up to 21500 feet. The field is filled with asterisks when the data is invalid. (“*****”). Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 17: Mating Cable / Connections
The White wire is attached to the computers RS-232 receive line (pin 2 on the 9-pin D-sub RS-232 connector). The Brown wire is attached to the computers RS-232 signal ground line (pin 5 on the 9-pin D-sub RS-232 connector). Note: The Green and Blue wires remain unconnected. Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 18: Specifications
Acquisition time for GPS units is typical for the contiguous United States. Acquisition time may differ due to interference in your geographic area. ‡ Including losses using 65 meter cabling. Specifications are subject to change without notice. This product may be subject to export restrictions. Please consult the factory. Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 19: Dimensions
Dimensions FORWARD Handle Figure 6 GGC-E101 Dimensions in inches Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 20: Warning
DISCLAIMER The information contained in this manual is believed to be accurate and reliable; however, it is the user’s responsibility to test and to determine whether a Watson Industries’ product is suitable for a particular use. Suggestion of uses should not be taken as inducements to infringe upon any patents. -
Page 21: Customer Service
Customer Service All repairs, calibrations and upgrades are performed at the factory. Before returning any product, please contact Watson Industries to obtain a Returned Material Authorization number (RMA). Return Address & Contact Information Watson Industries, Inc. 3035 Melby Street Eau Claire, WI 54703... -
Page 22: Appendix A
Note: The Ground Track Velocity field is filled with asterisks when the data is invalid. (****.*) Note: The Latitude and Longitude fields are filled with asterisks when the data is invalid. (“****.*****,* *****.*****,*”) Note: The Altitude field is filled with asterisks when the data is invalid. (*****) Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... - Page 23 3 is reset – not in Reference Mode bit 2 is reset - valid GPS true heading data bit 1 is reset - valid GPS ground track velocity data bit 0 is reset - valid GPS ground track heading data Watson Industries, Inc. GGC-E101 Rev A 08/30/2013...
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Page 24: Appendix B
To accept the channels as selected, type 'N' or 'n', then press the space bar to resume data output. To make this channel selection the default the next time you power the unit on type " (a quote mark). Watson Industries, Inc. GGC-E101 Rev A 08/30/2013... -
Page 25: Setting Output Format
To set the heading mode to GPS True North Heading type '1'. To set the heading mode to Relative Heading type '2' To make any of these modes the default the next time you power the unit on type " (a quote mark.) Watson Industries, Inc. GGC-E101 Rev A 08/30/2013...