Motus Reference Manual
Page 4 of 146
Version 1.1
29/11/2019
13.3 Recommended Footprint.................................................................................77
13.4 OEM Power Supply........................................................................................... 79
13.5 OEM Pin Protection..........................................................................................79
14.1 Serial UART to USB Converter..........................................................................81
14.2 Dual RS232 Transceiver...................................................................................81
14.3 GPIO Header and Status LEDs.........................................................................81
14.4 Configuration Switches....................................................................................82
14.4.1 Primary Serial Port to USB........................................................................83
14.4.2 Primary Serial Port to RS232 1 and GPIO 3 & 4 to RS232 2......................84
14.4.3 Primary Serial Port and GPIO 3 & 4 to GPIO Header at TTL levels.............84
15.2 External Data................................................................................................... 88
15.3 GPIO Pins and Auxiliary RS232........................................................................89
15.4 Dynamic Pin Functions.....................................................................................89
15.4.1 1PPS Output............................................................................................. 90
15.4.2 GNSS Fix Output.......................................................................................91
15.4.3 Odometer Input........................................................................................91
15.4.4 Zero Velocity Input...................................................................................91
15.4.5 Pitot Tube Input.........................................................................................91
15.4.6 NMEA Input............................................................................................... 91
15.4.7 NMEA Output............................................................................................ 92
15.4.8 Novatel GNSS Input..................................................................................92
15.4.9 Topcon GNSS Input...................................................................................93
15.4.10 ANPP Input.............................................................................................. 93
15.4.11 ANPP Output...........................................................................................93
15.4.12 Disable Magnetometers..........................................................................93
15.4.13 Set Zero Orientation Alignment..............................................................93
15.4.14 System State Packet Trigger...................................................................93
15.4.15 Raw Sensors Packet Trigger....................................................................93
15.4.16 Pressure Depth Transducer.....................................................................93
15.4.17 Trimble GNSS Input.................................................................................93
15.4.18 u-blox GNSS Input...................................................................................94
15.4.19 Hemisphere GNSS Input.........................................................................94
15.4.20 Teledyne DVL Input.................................................................................94
15.4.21 Tritech USBL Input..................................................................................94
15.4.22 Linkquest DVL Input...............................................................................94
15.4.23 Linkquest USBL Input..............................................................................94
15.4.24 Nortek DVL Input....................................................................................94
15.4.25 Left Wheel Speed Sensor........................................................................94
15.4.26 Right Wheel Speed Sensor.....................................................................94
15.4.27 1PPS Input..............................................................................................94
15.4.28 Wheel Speed Sensor...............................................................................95
15.4.29 Wheel Encoder Phase A..........................................................................95
15.4.30 Wheel Encoder Phase B..........................................................................95