3:8
Current Limit
Although a current limit pot is
standard on the controller
faceplate, provisions for remote
current limit are provided. Two
remote current limit pots, one for
each direction, can be wired
according to Figure 3-4.
Analog Output Signals
Two analog outputs are available
for remote monitoring of speed
and load. These outputs are used
when optional meters are
supplied. See Figure 3-5. The
maximum source for each output
is 1 mA.
SPEED: The signal on pin 8(+)
and 19 through 25(0V) calibration
is based on the motor/encoder
selection on 1SW-3 and 1SW-4.
When using 2000 RPM motors
with 2500 PPR encoders, the
signal will be 4.8 VDC at 2000
RPM at the OA output. The
polarity of the signal is either
positive or negative based on
direction.
TORQUE: The signal on pin 9(+)
and 19 through 25(0V) is
proportional to output torque when
power matched control and motor
are operating. The signal is 8 VDC
at 200% torque at the OA output.
The polarity of the signal is either
positive or negative based on
direction.
Figure 3-4. External Current Limit Pot Circuitry.
Figure 3-5. Typical Circuitry for Monitoring Speed/Torque.
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