The ER-550 directional module is designed to enable high accuracy measurement of the roll, axis alignment and azimuth orientation angles in borehole logging and drilling applications. With high reliability, the ER-550 directional sensor only need to be calibrated once time per 3-years/5,000-hours by remote mode.Using 5-12V DC voltage power supply and adopting UART asynchronous transmitter for digital transmission. It consists of 3-axisfluxgatemagnetometersand3-axisaccelerometers.The ER-550 communicates with the outside world over a UART interface. It is compatible with TTL and CMOS through logic level, and the baud rate is normally set at 300~115200 to operate. The user can change baud rate by setting data bits in E2PROM.
TWO communication protocols can be selected according to specific requirements
(1) Binary system: under this system, user needs to send one bit for data request and DS550 responds with multi-bit data package.
(2) ASCII: ASCII protocol acquires data by sending ASCII character to DS550, data returned from DS560H is transmitted as ASCII data flow，therefore it can be easily indicated on the video terminal.
◆Accuracy：±0.2°for Axis Alignment
±1.0° for azimuth
◆With high reliability, the DS550 directional sensor only need to be calibrated once time per 3-years/5,000-hours by remote mode
◆Shock resistance 1000g，vibration resistance 20grms
◆Digital data transmission
◆With minimum size of 20.4mm×19.1mm×120.1mm（customized to different needs）
◆Directional drilling, geological steering
Input Voltage Range
9600(default)up to 115200
ASCⅡ or Binary
Operating Temperature Range
Storage Temperature Range
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