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APPENDIX A Technical specifications

Page 32

2201 INSTALLATION MANUAL, Revision B

Time-To-First-Fix (TTFF)

Hot start: 20 seconds typical, with current almanac

Warm start: 45 seconds typical, with current almanac

Cold start: 2 minutes typical, with no almanac

Re-acquisition time

<1 second typical to re-acquire (5-second obscuration)

3 seconds typical to re-acquire (60-minute obscuration)

Channel allocation

10 GPS channels plus two WAAS satellites

Interface characteristics

Prime power

9 to 36 VDC (12V and 24V System). 2.4 watts typical at at 12V

Reverse polarity protected and Load Dump protected

Serial communications

RS-232 asynchronous data port

Main port IN/OUT plus AUX INPUT

19,200 baud standard (both ports user-selectable from 300 to 19,200 
baud)

Default baud rate = 9600

Input messages

Auxiliary (RTCM SC104) messages 1, 3, 9

Output messages 

NMEA (2201/NMEA) GGA, GSA, GSV, RMC, VTG, ZDA, GLL, plus 
proprietary binary status messages (2201)

Physical characteristics

Dimensions

4.5" (114mm) diameter x 3.79" (96mm) high

Weight

1.2 lb. maximum excluding cable (0.55 kg)

Mounting

1-14 UNS threads x 1" deep and/or 3 x 10-32 UNF screws

Cable (normal installation)

22 Ga conductors foil-shielded cable, environmentally sealed (50’ 
cable supplied)

Connectors for RS-232

2201: weathertight Switchcraft 7-pin male EN3P7MP or equivalent

Mating with Switchcraft EN3C7FC or equivalent

Environmental characteristics

Operating temperature

-30 to +75°C (standard)

Storage temperature

-55 to +90°C

Humidity

SAE J1455/4.2 Procedure I/II

Waterproof

Fully sealed unit. Meets MIL-STD 810E method 512.3 (equivalent to 
6-foot, 30-minutes submersion)

Shock

MIL-STD 810E Method 506.4, Procedure I, IV

Vibration

MIL-STD 810E Method 514.4 Category 8

Table 1: 2201 and 2201/NMEA technical specifications (continued)

Содержание 2201

Страница 1: ...2201 and 2201 NMEA WAAS Pods Installation Manual Revision B Part Number GM2201 Northstar Technologies Inc 30 Sudbury Road Acton Massachusetts 01720 800 628 4487 978 897 6600 www northstarcmc com ...

Страница 2: ...e owner To be covered by this warranty the Northstar equipment must have been in normal use This warranty does not apply to units with defects caused by improper installation physical damage abuse tampering lightning or other abnormal electrical discharge or to units with defaced or altered serial numbers or to units repaired by unauthorized persons or repaired in a manner that violates Northstar ...

Страница 3: ...CTION THREE Interfacing the 2201 17 Using the 2201 CA cable 17 Connecting the 2201 binary 19 Connecting the 2201 NMEA 22 SECTION FOUR Using WAAS with Northstar s 941 951 952 25 WAAS and auto differential options 26 Setting the 2201 options 26 Reviewing the WAAS features 27 SECTION FIVE Troubleshooting 2201 operations 29 Installation test checklist 29 Troubleshooting installation problems 30 APPEND...

Страница 4: ...Page ii 2201INSTALLATION MANUAL Revision B ...

Страница 5: ... Northstar 2201 and 2201 NMEA components 12 Figure 2 2201 mounting position for standard mast mount 15 Figure 3 2201 mounting configuration for a flat surface as shown from underneath 16 Figure 4 Connections for the Northstar 2201 CA cable 18 Figure 5 GPS SATS screen 28 ...

Страница 6: ...Page iv 2201INSTALLATION MANUAL Revision B ...

Страница 7: ...ontacting Northstar 4 Table 2 Northstar 2201 binary connections 20 Table 3 Northstar 2201 NMEA connections 23 Table 4 PRN satellite equivalents 28 Table 5 Troubleshooting 2201 and 2201 NMEA installation problems 30 Table 6 2201 and 2201 NMEA technical specifications 31 ...

Страница 8: ...Page vi 2201 INSTALLATION MANUAL Revision B ...

Страница 9: ...n a 2201 or 2201 NMEA for servicing Also described are some of the standard features of the 2201 and 2201 NMEA and all of their operating modes In this manual unless otherwise stated the term 2201 refers to the 2201 and the 2201 NMEA Welcome to the Northstar 2201 and 2201 NMEA The Northstar 2201 WAAS Pod and the Northstar 2201 NMEA WAAS Pod are self contained high performance GPS antennas engines ...

Страница 10: ...xist and then develop corrections However unlike Coast Guard radiobeacons or other land based transmitters on other frequencies WAAS uses a network of geostationary communication satellite transponders in fixed positions at approximately twice the distance from the earth s surface as the orbiting GPS satellites on the same frequency as GPS These satellite based transmissions provide consistent pos...

Страница 11: ...d to power troubleshooting Getting technical support After you ve followed the instructions in this manual if you need additional technical or operations support or have any other service related questions please contact your dealer or the Northstar Service Department You can reach Northstar by email fax U S mail or phone as described in the table below You can also visit Northstar s website for a...

Страница 12: ...r registering new products Hearing from you Your feedback is important and helps Northstar ensure that this manual is a valuable resource for all marine technicians Send your questions comments or suggestions about this manual to manuals northstarcmc com Online information sources For the most current information about WAAS you may want to visit the following websites Table 1 Contacting Northstar ...

Страница 13: ...rts call the Northstar Sales Department at 978 897 6600 or 800 628 4487 Servicing the 2201 Repair of the Northstar 2201 is performed only by authorized Northstar dealers or at the Northstar factory Service includes a complete hardware and software check out For a 2201 under warranty shipping charges to the factory are the only cost for factory repair The repaired 2201 will be returned via prepaid ...

Страница 14: ...he outside of the shipping carton Shipments to the Northstar factory should be sent to the following address Northstar Technologies Inc Service Department 30 Sudbury Road Acton MA 01720 USA Standard 2201 features The 2201 s standard features include the following self contained 12 channel L1 GPS WAAS Pod antenna receiver 10 parallel GPS channels for all in view satellite tracking 2 channel WAAS re...

Страница 15: ...he current operating and navigation modes The seven operating modes are described in detail below Self test mode The 2201 enters self test mode upon a host s request using an NMEA or binary message via the GPS primary port This test requires no more than 15 seconds When the self test is completed the 2201 reports the test results on its host port through another NMEA or binary message and then eit...

Страница 16: ... from the satellite s down link message In Search the Sky the Time To First Fix TTFF is typically less than two minutes After a sufficient number of satellites have been acquired the 2201 enters navigation mode For TTFF details see Table 1 2201 and 2201 NMEA technical specifications on page 31 Navigation mode The 2201 operates in navigation mode whenever sufficient satellite information and measur...

Страница 17: ...rential if WAAS becomes unavailable and external beacon corrections are applied through the port WAAS forces WAAS only radiobeacon forces beacon differential only disabled turns off differential corrections After connecting the 941 951 952 with the 2201 to select one of these options see SECTION FOUR Using WAAS with Northstar s 941 951 952 beginning on page 25 For information on using the 2201 wit...

Страница 18: ...SECTION ONE Introduction Page 10 2201 INSTALLATION MANUAL Revision B ...

Страница 19: ...ready to install and operate The 2201 is fully automatic during normal operation you won t need to see it touch it or send commands to it 1 Check the shipping carton for any damage and immediately report any damage to the carrier Save all packing material in case you have to return the 2201 to the factory for repair or evaluation CAUTION Do not open the 2201 There are no serviceable parts inside U...

Страница 20: ...ents review all the installation requirements including the physical requirements spacing location with regard to other equipment etc the electrical and electronic requirements interference between other pieces of equipment antennas power requirements etc 5 Preview survey the vessel s layout and existing equipment 6 Select the desired mounting location for details see Choosing a mounting location ...

Страница 21: ...course over ground COG readings Install the 2201 below the radiation plane of any INMARSAT or radar antennas and away from any other high power transmitting antennas Locate the 2201 where it has an adequate view of the sky Mount the 2201 high enough to provide an unobstructed view of the sky in all directions and minimize or eliminate any objects that block the 2201 s view of the sky The 2201 uses...

Страница 22: ...ight of the cable so the connector isn t stressed by the cable s weight INSTALLATION SUMMARY DO Plan the installation carefully following the guidelines above Mount the 2201 low but away from objects that may obstruct satellite signals Coil any extra 2201 CA cable away from the 2201 DON T Block the 2201 s view of any part of the sky Run the data cable near radio transmitters transmitter antenna ca...

Страница 23: ...SECTION TWO Installing the 2201 2201 INSTALLATION MANUAL Revision B Page 15 Figure 2 2201 mounting position for standard mast mount 3 79 96mm 4 50 114mm ...

Страница 24: ...nsure that the 2201 has enough mounting clearance to easily connect the cable For example mount it at the edge of the deck or drill a small hole in the deck or other surface to allow the cable to pass through Figure 3 2201 mounting configuration for a flat surface as shown from underneath 1 00 14UNS 2B X 1 00 deep Connector receptacle with 7 male contacts Switchcraft EN3P7MP or equivalent Mating E...

Страница 25: ...201 are made through Northstar s 2201 CA data power cable that ships with the 2201 One end of this cable is terminated with a 7 pin connector that plugs right into the 2201 s 7 pin connector The other end has stripped and tinned leads to be used to either connect the binary 2201 to a Northstar 941 951 952 the leads are used for the data interface connections to Northstar s WA215 cable and to power...

Страница 26: ...SECTION THREE Interfacing the 2201 Page 18 2201 INSTALLATION MANUAL Revision B Figure 4 Connections for the Northstar 2201 CA cable BLACK ...

Страница 27: ...941 951 952 for connecting to autopilots plotters and other navigation equipment This cable may already be connected to the 941 951 952 but if not find the cable or call your Northstar dealer to order one To connect the 2201 to the 941 951 952 1 Route the WA215 and 2201 CA cables to a protected area suitable for electrical connections 2 Plug one end of the WA215 cable connector into the 18 pin I O...

Страница 28: ...2 Aux receive port Not connecteda 3 Green RS232 TX1 Main transmit port Connect RS232 RX Green 16 4 Brown Signal gnd Connect Ground Tan 17 5 Black Remote power on Connect Honkb Pink 14 Ship s power control Connect Groundc Tan 17 6 White Power gnd system gnd Connect to ship s ground 7 Red Power in 9 36 VDC Connect to ship s power a This is the pin for SC104 beacon differential input b If the existin...

Страница 29: ...952 the 2201 will not power on For step by step instructions see Setting the 2201 options on page 26 Using ship s power control This option will automatically power on or power off the 2201 as soon as ship s power is turned on or off 1 If the existing 941 951 952 installation has a WA215 cable connected to the 18 pin I O connector check the availability of the honk output by looking for the pink w...

Страница 30: ... stripped end of the cable to either a protected junction area or the NMEA device to be connected 3 Connect the stripped end of the cable to the desired device using the DB9 connector or other connection method as needed For these interface connections see Table 3 Northstar 2201 NMEA connections on page 23 Connecting to power To connect the 2201 NMEA to power 1 Splice or terminate the stripped end...

Страница 31: ...eceive port not connectedb not connected 3 green RS232 TX1 Main transmit port connect 2 4 brown signal gnd connect 5 5 black remote power on power control connect ground or switch 6 white power gnd system gnd connect to ship s ground ground 7 red power in 9 36 VDC connect to ship s power power supply 9 36 VDC a Suggested wiring method using the supplied DB9 connector The DB9 can be substituted wit...

Страница 32: ...SECTION THREE Interfacing the 2201 Page 24 2201 INSTALLATION MANUAL Revision B ...

Страница 33: ...ifferential operations Remote power on of the 2201 WAAS or W designator on several screens Hexagonal WAAS satellite indicators on the GPS SATS screen NOTE For external WAAS capability the 941 951 952 must be operating with software version 3 18 or higher Dealers should contact the Northstar Sales Department to obtain an Upgrade CD and a PC loader cable if necessary Northstar part number 1100 LC En...

Страница 34: ...tically switch to to radiobeacon differential corrections if WAAS becomes unavailable or is less accurate and if the 941 951 952 contains an internal beacon receiver or is connected to an external one Setting the 2201 options Software version 3 18 or higher also features a remote power on option that automatically powers on the 2201 after you ve properly connected it to the 941 951 952 To set the ...

Страница 35: ...e WAAS features Screens indicating WAAS mode When the 941 951 952 is receiving WAAS signals the indica tors WAAS or W will appear in the upper right hand corner of certain screens indicating that WAAS signals are being received and that the information on those screens relates to WAAS These screens include CHART screen PLOT screen if a 941 GPS POSITION screen NEW WAYPT screen EDIT WAYPT screen QUI...

Страница 36: ...e numbers that the 941 951 952 displays are just an extension of the normal GPS constellation which has 32 satellites The 941 951 952 continues this numerical sequence by using the number 33 for the first WAAS satellite which corresponds to PRN 120 the lowest WAAS PRN assigned See Table 4 below for the 941 951 952 satellite equivalents for the PRN s GPS satellite number WAAS satellite number Table...

Страница 37: ...ing WAAS satellites you can reset the satellite elevation degrees the 941 951 952 is currently using These settings are on the 941 951 952 RECEIVER OPTIONS screen You may want to review the 2201 s operating modes see 2201 operating modes on page 7 If you ve interfaced the 2201 with a 941 951 952 check its GPS SATS screen for further details NOTE If you follow the troubleshooting steps in this sect...

Страница 38: ...he power source For the 2201 NMEA you can use Windows Hyper Terminal window to view and monitor NMEA data output sentences The standard baud rate is 4800 If there still isn t any data output call the Northstar Service Department for contact information see Table 1 on page 4 If the 2201 is connected with the 941 951 or 952 and the following error message appears on the display COMM FAIL TOO FEW SAT...

Страница 39: ... Table 1 2201 and 2201 NMEA technical specifications General characteristics L1 frequency 1 575 42 MHz Coarse acquisition C A code 1 023 MHz chip rate code and carrier phase tracking Sensitivity 135 dBm antenna input level Performance characteristics Velocity 1852 km h 514 m s max Acceleration 4 Gs 39 2 m s2 Jerk 2 m s3 Position accuracy 3 m 2dRMS ...

Страница 40: ...t messages Auxiliary RTCM SC104 messages 1 3 9 Output messages NMEA 2201 NMEA GGA GSA GSV RMC VTG ZDA GLL plus proprietary binary status messages 2201 Physical characteristics Dimensions 4 5 114mm diameter x 3 79 96mm high Weight 1 2 lb maximum excluding cable 0 55 kg Mounting 1 14 UNS threads x 1 deep and or 3 x 10 32 UNF screws Cable normal installation 22 Ga conductors foil shielded cable envir...

Страница 41: ...t spray MIL STD 810E Method 509 3 48 hours Sand and dust MIL STD 810E Method 510 3 ESD IEC 1000 4 2 level 2 8 kV to 8 kV EMI FCC Class B European CE 89 EEC EN55022 class B EN50082 1 Ultraviolet light protection ASTM G53 88 Table 1 2201 and 2201 NMEA technical specifications continued ...

Страница 42: ...APPENDIX A Technical specifications Page 34 2201 INSTALLATION MANUAL Revision B ...

Страница 43: ...ntains the input output primary port baud rate and the list of message identifiers with their update rates 903 Radiobeacon Proprietary Info GGA Global Positioning System Fix Data GLL Geographic Position Latitude Longitude GSA GPS DOP and Active Satellites GSV GPS Satellites in View MSS MSK Receiver Signal Status RMC Recommended Minimum Specific GPS Data VTG Track Made Good and Ground Speed ...

Страница 44: ...e the pre vious one Note 2 message block Each message block includes ccc message identifier xxx integer multiple of update rate i e Nav rate 0 200 ms 000 will stop the transmis sion 001 means 1 x 0 200 ms or 5 Hz 005 means 5 x 0 200 ms or 1 Hz Examples PMCAG 005 4 8 GGA 010 RMC 001 VTG 001 ZDA 010 4D CR LF output messages GGA and ZDA transmitted every two seconds Header Contents of data fields PMC...

Страница 45: ...L 001 4800 all previous mes sages in NVM will be over written Set receiver parameter command Note 1 All Reserved Fields shall be NULL Header Contents of data fields PMCAG 008 15 a a a x x x a x x x x x hh CR LF UTC Time Resolution Note 6 9 Lat Long Resolution Note 6 8 Reserved Note 1 Auxiliary Port Baud Rate Note 5 6 Diff Coast Time Note 4 6 DGPS Mode E D B W Note 6 11 Datum Number Note 10 Mask An...

Страница 46: ...s parameter controls the number of digits that will be transmitted for the fraction part of the UTC time data in all NMEA messages The default value is 2 and the range is 0 to 9 Note 10 This parameter is used to specify the datum that shall be used to express the position Refer to the supported datum list i e 0 WGS 1984 Note 11 DGPS mode E enable Beacon WAAS autoD disable DGPS W enable WAAS only B...

Страница 47: ...se 33 to 210 WAAS PRN 120 138 are mapped to SV 33 through 51 Only WAAS PRN 120 122 134 have been operational PMCAG 011 E 1 3 21 37 CR LF Enable select SVs 1 3 and 21 Don t affect other SVs present selection PMCAG 011 D 31 23 37 CR LF Disable de select SVs 31 and 23 Don t affect other SVs present selection Header Contents of data fields PMCAG 0011 SV Note 2 SV Note 2 SV Note 2 SV Note 2 Select De s...

Страница 48: ...ellites are identified by SV 1 to 32 WAAS satellites have reserved SV 33 to 64 WAAS PRN 120 138 are mapped to SV 33 through 51 Only WAAS PRN 120 122 134 have been operational Example GPS Satellites in View Data sentence GPGSV 2 1 06 03 12 238 06 07 82 008 15 11 04 053 27 43 178 12 7F CR LF Messages 2 Msg No 1 SV Visible 6 PRN 03 Elevation 12 Azimuth 238 SNR 6 dB PRN 07 Elevation 82 Header Contents...

Страница 49: ... Page 41 Azimuth 8 SNR 15 dB PRN 11 Elevation 4 Azimuth 53 SNR Not tracked PRN 27 Elevation 43 Azimuth 178 SNR 12 dB GPGSV 2 2 06 15 23 187 8 2 17 35 323 11 4E CR LF Messages 2 Msg No 2 SV Visible 6 PRN 15 Elevation 23 Azimuth 187 SNR 8 dB PRN 17 Elevation 35 Azimuth 323 SNR 11 dB ...

Страница 50: ...APPENDIX B 2201 NMEA communication protocols Page 42 2201 INSTALLATION MANUAL Revision B ...

Страница 51: ...ally set to 9600 baud BDM Beacon DeModulator a receiver for differential correction signals beacon A radio transmitter operated by the U S Coast Guard that supplies differential corrections to GPS receivers C No Carrier to Noise Density Ratio dBm Decibel relative to 1 milliwatt differential corrections Data sent via radio signals to improve the accuracy of GPS receivers Primary sources include AM ...

Страница 52: ...d Only Memory geometry The number and location of satellites overhead determining the GPS accuracy available at any given time GPS Global Positioning System the satellites and receivers that enable position and speed to be determined anywhere on earth with great accuracy GPS is a system of 24 satellites with 3 spares operating in three orbital planes at about 11 000 miles elevation Position is det...

Страница 53: ...tioning accuracy these units reflect that approximately 66 percent of positions are within the quoted e g 1m RMS 2dRMS is a 95 percent accuracy figure e g 3m 2dRMS and is the preferred term for navigation accuracy RTCM Radio Technical Commission for Maritime Services for standards and performance minimums satellite An object orbiting the earth GPS satellites are controlled by ground stations and t...

Страница 54: ...ginated by the FAA and transmitted from geostationary satellites at the same frequency as the GPS signal The 2201 provides a compatible host with WAAS based position corrections Differential correction information is generated by ground based reference stations at precisely surveyed locations which transmit GPS corrections to the end user via geostationary satellites at about 22 000 miles above th...

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