Instruction/ maintenance manual of the product HMR3100 Honeywell
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HMR3100 SENSOR PRODUCTS Solid State Electronics Center • www .magneticsensors.com • (800) 323 -8295 • Page 1 HMR3100 Digital Compass Solution User’s Guide.
HMR3100 SENSOR PRODUCTS Solid State Electronics Center • www .magneticsensors.com • (800) 323 -8295 • Page 2 INTRODUCTION The Honeywell HMR3100 is a low cost electronic compassin g solution for use in consume r electronics and perso nal navigation products.
HMR3100 SENSOR PRODUCTS Solid State Electronics Center • www .magneticsensors.com • (800) 323 -8295 • Page 3 converters (ADC) onboard a microcontroller ( µ C) integrated circui t. The microcont roller integrated circuit periodically samples the amplified sensor voltages, perform s the offset corrections, and computes the heading.
HMR3100 SENSOR PRODUCTS Solid State Electronics Center • www .magneticsensors.com • (800) 323 -8295 • Page 4 USART Communication Protocol HMR3100 module com municates through binary data and AS CII characters at four sele ctable baud rates of 2400, 4800, 9600, or 19200.
HMR3100 SENSOR PRODUCTS Solid State Electronics Center • www .magneticsensors.com • (800) 323 -8295 • Page 5 Continuous Mode When the host processor (extern al to the HMR3100), hol ds the RTS input lo w, the HMR3100 will continuously send heading data via the TXD pin.
HMR3100 SENSOR PRODUCTS Solid State Electronics Center • www .magneticsensors.com • (800) 323 -8295 • Page 6 Data Description The HMR3100’s onb oard microcontroller sends a three by te status/heading data packet reply as the RTS line is brought low.
HMR3100 SENSOR PRODUCTS Solid State Electronics Center • www .magneticsensors.com • (800) 323 -8295 • Page 7 Honeywell reserves the right to make changes to im prove reliability, function or design.
An important point after buying a device Honeywell HMR3100 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell HMR3100 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell HMR3100 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell HMR3100 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell HMR3100 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell HMR3100, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell HMR3100.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell HMR3100. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell HMR3100 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
