Connection
table
Refer to the table below for detailed connection information.
Connection
Terminal #
Lead Color
Driver
Connection
4-lead bipolar
1
Black (Blk)
A
2
Orange (Org)
A
3
Red
B
4
Yellow (Yel)
B
Note: Terminals 5, 6, 7 and 8 are not used.
Winding Connections
Series
Connecting both halves in series results in the drive current
flowing through twice as many turns compared with using one
half-winding only. For identical currents, this doubles the
“amp-turn” and produces a corresponding increase in torque. In
practice, the torque increase is seldom 100% due to the
non-linearity of the magnetic material. Equally, the same torque
will be produced at half the drive current when the windings are
in series.
Doubling the effective number of turns in the windings means
that the inductance increases by a factor of four. This causes the
torque to drop off much more rapidly as speed increases. As a
result, the series mode is only useful at low speeds. The
maximum shaft power obtainable in series is typically half that
available in parallel using the same current setting on the drive.
Conversely, connecting the windings in series will double the
total resistance and the current rating is reduced by a factor of
1.4. The provides a safe current of 3.5 amps for a 5.0 amp motor
series.
5645 Installation and Hardware Manual
C - 5
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