Geo Brick Drive User Manual
Pinouts and Software Setup
28
Older Models of the Geo Brick Drive
With the older models of the Geo Brick Drives, cycling main bus power must obey the following warning
restrictions. A delay should be inserted in either software, hardware or both to ensure that these
restrictions are conformed.
Caution
With older models, it is strongly advised NOT to cycle main bus
power frequently and rapidly within a few seconds.
With main bus power of 110 – 240VAC (single or three-phase):
Caution
Older models of the
4-axis
Geo Brick Drives’ main bus power should not be recycled in
less than ~
3 minutes
.
Older models of the
6- and 8-axis
Geo Brick Drives’ main bus power should not be
recycled in less than
~ 6 minutes.
Note
With the older models of the 6-axis Geo Brick Drives it is possible to
wire the external shunt resistor as a bleeding resistor to avoid the
extended downtime delay. Contact Delta Tau for details.
Newer Models of the Geo Brick Drive
The newer models of the Geo Brick Drive are fitted with an internal shunt resistor (300W, 100-Ohm)
which is also used as a bleeding resistor when the main bus power is removed. This allows a rapid
discharge of the capacitors’ residual power, and shorter delay restrictions between main bus power cycles.
With main bus power of 110 – 240VAC (single or three-phase), and without an external shunt resistor,
the following delay restrictions are strongly advised:
Caution
Newer models of the
4-axis
Geo Brick Drives’ main bus power should not be recycled in
less than ~
5 seconds
.
Newer models of the
6- and 8-axis
Geo Brick Drives’ main bus power should not be
recycled in less than ~
10 seconds
.
Note
The addition of an external shunt resistor (e.g. GAR15 or GAR10)
makes the residual power dissipation even faster.
Note
A red LED indicator, labeled “BUS”, on the front of the Geo Brick
Drive is illuminated when main bus power is applied.
Summary of Contents for Geo Brick
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