EKINOX 2 Surface Series
– Hardware Manual
EKINOX2HM.1.1
For optimal performance, SBG Systems recommends the use of a multi-constellation GNSS antenna. In
addition, a dual frequency (L1/L2) tracking is mandatory for EKINOX2-D dual antenna heading operation.
Don't forget to also check the GPS antenna LNA power requirements such as input voltage (must accepts 5
VDC) and input current (must be below 70 mA).
SBG Systems has selected some high quality GPS antennas for different applications. Please refer to the
section 7.6 GPS accessories to get more details on available antennas.
Note: As a rule of thumb, true heading and/or RTK measurements require high quality GNSS
antennas to achieve the stated accuracy.
4.6. Typical wiring
In this section, we briefly describe a few recommended wiring diagrams.
4.6.1. Power supply connection
Concerning power supply, we recommend shielded cable, with at least AWG 24 wires.
4.6.2. Main interface connection on RS-232
Below is shown the main interface (Port A) connection, using a full duplex RS-232 connection. The
recommended cable is a shielded AWG26 cable.
A protocol selector pin is left open in RS-232 mode.
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Figure 4.11: Power supply wiring connections
INS
Power Connector
Power Supply
Shield is the mechanical ground.
Connected to Apogee Enclosure
VCC
GND
SHIELD
+9 to 36V DC
Figure 4.12: Main serial interface full duplex connection in RS-232
RS-232 / RS-422
selector is left open
INS
Main Connector
GND
PORT A Tx
PORT A Rx
SHIELD
PC
PC Tx
PC Rx
GND
RS232 / RS422
Shield is the mechanical ground.
Connected to Apogee Enclosure