Цифровой компас для систем навигации HMR3000
Contents
1. 35 mA 6 Vdc Normal operation Power 13 mA STOP Mode 2 0 mA SLEEP Mode niertace Serial spice RS 485 Half Duplex Baud Rate 1200 to 38400 bps Standard NMEA 0183 Update Modes Contous iin 020 He ey sentence Fhystcal 4 Wei oo ee Dimension 1 2 x 2 95 x 0 760 Circuit card 1 5 x 4 2 x 0 88 Housed compass Environment 3 Operating Temp 20 to 70 C Storage Temperature 35 to 100 C Shock 30 inch drop MIL STD 810E TM 516 4 Vibration Sie a MIL STD 810E TM 514 4 MAIU ACHNG PCB IPC 6012 Assembly IPC 610 Class II or better 1 Heading accuracy assumes the Earth s 4 Typical magnetic field is only disturoed by hard iron fields and has been compensated through calibration 2 Calculated values 5 Meet or exceed Device orientation not to exceed 75 during operation or storage may cause temporary loss of accuracy 3 Guaranteed by characterization or design HMR3000 SPECIFICATIONS HMR3000 CONNECTION DIAGRAM COMPUTER RS232 TO HMR3000 SENSOR PRODUCTS RS 232 computer pins HMR3000 pins RS 232 computer pins HMR3000 pins 5 Vdc Reg ac adapter Regulated voltage source Regulated Supply Unregulated Supply ld 4 200 10 67 gt P 3 250 8 26 gt A IE O C 9 i x a o a a N i o 2 lt i S o z 38 et H o 0 188 I 0 46 22 0 150 0 38 pe sec og 2A oO 0 062 inches 0 16 centimeters ORDERING INFORMATION Type2. Output Enclosure RS 232 to RS 485 HMR3000 Demo 232 RS232 B amp B Electronics 485TBLED SD Control Bsa HMR3000 D00 232 RS232 None Echo Off HMR3000 D21 232 RS232 Extended Base RS 485 lis T HMR3000 D00 486 RS485 None GD 7 GD Gnd HMR3000 D21 485 RS485 Extended Base 12VDC DB9 socket connector VAC 12VDC Development Kit includes one module in aluminum enclosure cabling with power supply demonstration software for PC running Windows and User s Manual Honeywell reserves the right to make changes to any products or technology herein to improve reliability function or design Honeywell does not assume any liability arising out of the application or use of any product or circuit described herein neither does it convey any license under its patent rights nor the rights of others Honeywell Solid State Electronics Center 12001 State Highway 55 Plymouth MN 55441 1 800 323 8295 900204 Rev B 12 99
3. should be connected in a given installation Name In Out Pin Description Typ Min 1 Max 1 Units TxD B Out 2 RS 232 transmit out RS 485 18 18 V dc RxD A In 3 RS 232 receive in RS 485 18 18 V dc GND In 5 Power and signal common 6 15V In 9 Unregulated power input 6 15 0 30 V dc 5V In 8 Regulated power input 5 5 0 7 5 Vdc Oper Calib 2 In 1 Operate Calibrate 3 input open Operate O 5 20 20 V dc Run Stop 2 In 6 Run Stop 3 input open Run O 5 20 20 V dc Ready Sleep 2 In 4 Ready Sleep 3 input open Ready 0 5 20 20 V dc Cont Reset 2 In 7 Continue Reset 3 input open Continue O 5 20 14 V dc 1 Absolute maximum ratings 2 Sink current requirement 200 Typ 400 Max LA 3 Open input high logic state HMR3000 SENSOR PRODUCTS SPECIFICATIONS Parameter Value Comments Heading marr Oe AA BB eB THE Repeatability 3 4 0 3 Resolution 0 1 Units degrees mils User selectable Fitch and Aon Range 40 Accuracy Da Tilt lt a 0 6 Tilt gt 20 Repeatability 3 4 0 2 Resolution 0 1 Units degree mils User selectable Magnetic Field 3 Dynamic Range 1 0 Gauss max Resolution 1 mGauss icicle Llecttical 4 Supply Voltage g j5 Vdc unregulated
4. Honeywell APPLICATIONS Oceanographic Marine Compassing Positioning of Buoys Underwater Structures Drilling Down Hole and Directional Attitude Reference Heading SENSOR PRODUCTS a a Digital Compass Module HMR3000 lectronic compass module that Peeves heading pitch and roll output for navigation and guid ance systems Honeywell s solid state magnetoresistive Navigation of Unmanned sensors make this strapdown Vehicles Avionic Compassing Integration with GPS Dead Reckoning compass both rugged and reli able This compass provides fast response time up to 20 Hertz and high heading accu Satellite Antenna Positioning racy of 0 5 with 0 1 resolution Laser Range Finders Surveying Applications FEATURES AND BENEFITS Fast Response Time Small Size Low Power High Accuracy Wide Tilt Range Hard Iron Compensation User Configurable Features Built with solid state magnetic sensors and no moving parts improves response time allowing faster updates compared to gimballed fluxgates Available as a circuit board 1 2 x 2 95 inches weighing less than one ounce or in an aluminum enclosure Operates with less than 35 mA allowing for long operation with a battery Accuracy better than 0 5 with 0 1 resolution for critical positioning applications Tilt range of 40 for both the roll and pitch allows operation for most applications Calibration ro
5. utines to compensate for distortion due to nearby ferrous objects and stray fields such as vehicles User settings of baud rate update rate output format units filter settings deviation angles alarms and warnings are stored internally in non volitile memory HMR3000 SENSOR PRODUCTS INTERFACE SIGNAL DESCRIPTIONS Communication HMR3000 communicates with an external host via RS 232 or RS 485 electrical standard through simple ASCII character strings ASCII characters are transmitted and received using 1 Start bit 8 Data bits LSB first MSB always 0 no parity and 1 Stop bit Baud rate is user configurable to 1200 2400 4800 9600 19 200 or 38 400 HMR3000 responds to all valid inputs received with correct checksum value Compass Output HMR3000 can output three NMEA standard sentences HDG HDT and XDR three proprietary sentences HPR RCD and CCD and an ASCII heading output for a digital display HDG HDT and HPR are the most commonly used sentences the formats are given below HCHDG Heading Deviation Variation HCHDG 85 5 0 0 E 0 0 E 77 HCHDT Heading True HCHDT 271 1 T 2C PTNTHPR Heading Pitch and Roll PTNTHPR Heading Heading Status Pitch Pitch Status Roll Roll Status hh lt cr gt lt lf gt PTNTHPR 85 9 N 0 9 N 0 8 N 2C The table shows pin assignments for the 9 pin D shell connector Power input can be either regulated 5V dc or unregulated 6V to 15V Only one of the two power pins 9 or 8
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