UNICORECOMM UM220-INS NF, User Manual

Page 1: ...WWW UNICORECOMM COM User Manual UM220 INS NF GNSS Integrated Navigation Positioning Module Copyright 2009 2019 Unicore Communications Inc Data subject to change without notice...

Page 2: ...document is subject to change without notice and does not represent a commitment on the part of Unicore Communications Inc No part of this manual may be reproduced or transmitted in any form or by any...

Page 3: ...eral readers Structure of the file This document includes the followings Introduction Briefly explaining the functions performances and installing of the product Installation Contains the list of the...

Page 4: ...8 3 5 PCB PACKAGING 9 4 HARDWARE DESIGN 10 4 1 DESIGN IN CONSIDERATIONS 10 4 2 ANTENNA 11 4 3 SERIAL PORT 11 4 4 ODOMETER INSTALLATION 12 4 5 CALIBRATION 12 4 6 INSTALLATION 13 4 6 1 Installation Ins...

Page 5: ...ariant PN Specification System Interface Data Update Rate Industry Grade Positioning chip for automotive applications Full module for automotive applications GPS BDS GLONASS GALILEO QZSS UART1 UART2 U...

Page 6: ...B1 1561 098MHz GPS L1 1575 42MHz TTFF Time to First Fix Cold Start 30s Hot Start 1s Reacquisition 1s Positioning Accuracy RMS 2 0m CEP Velocity Accuracy RMS 0 1m s Update Rate 1Hz 5Hz 10Hz Sensitivity...

Page 7: ...ep COM1 s input pin at a constant high or constant low level 1 second after the reset signal goes high COM2 only supports data transmission and can t be used for firmware upgrade purpose reserved for...

Page 8: ...istatic workbench using both wearing an antistatic wrist strap and a conductive foam pad If antistatic workbench is not available wear an antistatic wrist strap and connect the other end to a metal fr...

Page 9: ...e sure to make full anti static measures such as anti static wrist strap grounding the workbench Step 2 Open the UM220 INS NF evaluation kit Step 3 Select the GNSS antenna with appropriate gain fix it...

Page 10: ...pins HBM 3 2 Operation Condition Item Pin Min Typical Value Max Unit Condition Power Supply VCC Vcc 2 8 3 3 3 6 V Ripple Voltage Vp p 50 mV Peak current Iccp 54 mA Vcc 3 0 V Tracking average current I...

Page 11: ...imensions Symbol Min mm Type mm Max mm A 15 9 16 0 16 5 B 12 05 12 2 12 35 C 2 4 2 6 2 8 D 0 9 1 0 1 3 E 1 0 1 1 1 2 F 2 9 3 0 3 1 G 0 9 1 0 1 3 H 0 9 1 0 1 1 K 0 7 0 8 0 9 N 0 4 0 5 0 6 M 0 8 0 9 1 0...

Page 12: ...PS 4 WHEELTI CK I LVTTL Odometer speed pulse Incorrect signals of the odometer will lead to serious problems in the use of the product Please make sure the signal is correct 5 NC Reserve 6 TXD2 O LVTT...

Page 13: ...NC Reserve 18 NC Reserve 19 NC Reserve 20 TXD1 O LVTTL UART 1 TX 21 RXD1 I LVTTL UART 1 RX 22 V_BCKP I 1 4V 3 6V Backup voltage supply applicable for hot start 23 VCC 2 8V 3 6 V Supply voltage 24 GND...

Page 14: ...for good performance Using LDO to ensure the purity of power supply Try to place LDO close to the module in layout Widening the power circuit or use copper pour surface to transmit current Avoid walki...

Page 15: ...vcc 0 1v Between VCC and VCC_RF ESRDC is 6 so it can be carried out in accordance with the following formula VCC_RF voltage calculation VCC_RF VCC 6 IANT When an active antenna other than 3V is adopte...

Page 16: ...gnal quality is poor Therefore vehicle odometer signals generally need signal filtering optocoupler isolation and level conversion to provide UM220 INS NF for use odometer UM220 INS NF signal filterin...

Page 17: ...l in the same direction 4 6 Installation The installation of UM220 INS NF module on the vehicle shall be fixed 4 6 1 Installation Instructions The UM220 INS NF module must be fixedly connected with th...

Page 18: ...ree axis gyroscope and a triaxial accelerometer and a complex self calibration algorithm is designed to support the free installation of the module with respect to any installation angle of the body c...

Page 19: ...such as the tunnel and garage immediately after the first alignment The normal use of the module only requires a self calibration process Related Message Protocol Description 1 CFGROTAT Message forma...

Page 20: ...of the module 2 Input the command CFGROTAT 0 0 0 2 no configuration is required for the factory mode 3 Input the command CFGSAVE no configuration is required for the factory mode 4 The process of sel...

Page 21: ...alignment of inertial navigation insstatus 3 it is still necessary to drive for about 15 minutes in the normal open environment to train the inertial navigation device adequately For example the navig...

Page 22: ...ly When it is necessary to remove the module it is recommended to melt the soldering tin of the pins on both sides of the module with an electric soldering iron and remove the module with tweezers Do...

Page 23: ...baking in order to reduce risk especially the bulk packing The shelf life of UM220 INS NF is one year 7 Clean Do not use alcohol or other organic solvents to clean it may lead to fluk residues into th...

Page 24: ...UM220 User Manual 20 Figure 8 1 Reflow Soldering Line...

Page 25: ...www unicorecomm com Unicore Communications Inc www unicorecomm com Phone 86 10 69939800 Fax 86 10 69939888 info unicorecomm com 7 F3 No 7 Fengxian East Road Haidian Beijing P R China 100094...