LEESON Chassis Mount Regenerative Control: 175721.00 - Manual (Page 17)

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Field output
The field output is for shunt wound motors only. Do not
make any connections to F1 and F2 when using a
permanent magnet motor.
Use 18 AWG wire to connect the field output to a shunt wound
motor. Table 1 lists the field output connections.
Table 1. Field Output Connections
Line Voltage Approximate Connect Motor
(VAC) Field Voltage (VDC) Field To
115 50 F1 and L1
115 100 F1 and F2
230 100 F1 and L1
230 200 F1 and F2
Tachogenerator feedback
Using tachogenerator feedback improves speed regulation from
approximately 1% of motor base speed to approximately 0.1%
of motor base speed. Use tachogenerators rated from 7 VDC
per 1000 RPM to 50 VDC per 1000 RPM. Connect the
tachogenerator to terminals T1 and T2 of terminal block TB502.
The polarity is positive (+) for T1 and negative (–) for T2 when
the motor is running in the forward direction. The polarity is
reversed when the motor is running in the reverse direction.
Installation