Motus Reference Manual
Page 35 of 146
Version 1.1
29/11/2019
10.3
Mounting Plate
Motus's mounting plate and hole guide is shown below in Illustration 18. The holes are
designed for M4 bolts. The alignment holes can be used to ensure precise alignment of
Motus through the use of alignment pins.
10.4
Power Supply
A high level of power supply filtering has been built into Motus to allow for reliable
operation in demanding environments. Motus contains a fully isolated power supply
and has separate grounds for power and signal to ensure that power supply noise does
not corrupt communications or cause ground loops with other equipment. When wiring
the system, the signal ground should be routed with the primary RS232, auxiliary
RS232, GNSS RS232 and GPIO pins. The power ground should be routed with the
power supply to the power source.
A power supply should be selected that can provide at least the maximum current
calculated from the graph in 9.10.
Motus contains an active protection circuit on the power supply input that protects the
Illustration 18: Motus mounting plate