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3:11
Signal Inputs
When placed in Position mode,
the controller accepts a serial
pulse train reference. This
reference can be either a single or
dual channel signal. The dual
channel signal should be 90
degrees in quadrature so that the
HR2000 controller will reverse with
the source signal. Connect one
channel of the dual channel signal
to pins 47 and 48 and the other
channel to pins 49 and 50 as
shown in Figure 3-8. If a single
channel signal is used, connect
the reference frequency to pins 49
and 50. Connect the direction
signal to pins 47 and 48. Refer to
Figure 3-8 for single channel input
signals. When using either single
or dual channel signal, the pulse
magnitude should be 3.5 to 8.0
volts and the input frequency
should not exceed 750 KHz. If 750
KHz is exceeded, the controller
will IET. The speed is based on
the input frequency using the
following formula:
Pulse
Freq
(Hz)
Encoder
(PPR)
Motor
Speed (RPM)
60
4
Factor
=
X
X
Note:
Factor is an integer scaling
constant used to calibrate input
pulse frequency. The integer is set
by using the optional Operator’s
Terminal (M/N 3RE10) under the
Gear Ratio Menu. The default
value is 4; the integer range is 1 to
10.
Figure 3-8. Typical Position Reference Circuits.
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