PL-565 Accumass BW500 Page 101
PID Control
increase the value if the error is not consistent and oscillating around the setpoint.
Refer to fig 1, 2, & 3 below.
Figure 1
Figure 2
Figure 3
5. Once the P term value is set to give the control output of the BW500 consistent
oscillation and the error is at its minimum, turn the feeder off.
6. The I term value can now be set. Begin by entering the default value of 0.2.
7. Restart the feeder (test weights or chains still applied) and feed rate setpoint entered.
SETPOINT
SETPOINT
SETPOINT
P term is too high
P term is too low
Correctly set P term
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