Delta Tau Geo Brick, User Manual

Page: 29 / 294

Geo Brick Drive User Manual
Pinouts and Software Setup 29
Recommended Main Bus Power Wiring/Protection
Caution
Main bus power lines should run in a separate duct (at least 12” or 30
cm away) from and should never be bundled with the I/O signal,
communication, or encoder cables.
Grounding, Bonding
System grounding is crucial for proper performance of the Geo Brick Drive. Panel wiring requires that a
central earth-ground (also known as ground bus bar) location be installed at one part of the panel. The
ground bus bar is usually a copper plate directly bonded to the back panel. This electrical ground
connection allows for each device within the enclosure to have a separate wire brought back to the central
earth-ground.

Implement a star point ground connection scheme; so that each device wired to earth ground
has its own conductor brought directly back to the central earth ground plate (bus bar).

Use an unpainted back panel. This allows a wide area of contact for all metallic surfaces,
reducing frequency impedances.

Use a heavy gauge ground earth conductors made up of many strands of fine conducts.

The Geo Brick Drive is brought to the earth-ground via one or two wire(s) connected to the
M4 mounting stud(s) through a heavy gauge multi-strand conductor to the central earth-
ground.