
Using the Roborun Configuration Utility
138 AX500 Motor Controller User’s Manual Version 1.9b. June 1, 2007
Closed Loop Parameters
The screen shown in Figure 80 is used to set the Proportional, Integral and Differential
gains needed for the PID algorithm. These PID gains are loaded after reset and apply to
both channels. Gains can be changed individually for each channels and on-the-fly using
RS232 commands. These parameters are used in the Position mode (see page 63) and the
Closed Loop speed mode (see page page 73).
Exercising the Motors
A set of buttons and sliders is provided to start/stop communication with the controller and
encoder.
When communication is active, the screen will be updated with Encoder data.
Moving the motor sliders will set the motors to the desired speed and direction.
Viewing Encoder Data
During operation, this screen will display the following information:
• The instantaneous relative 0 to +/-127 speed value
• The instantaneous relative distance to destination (0 after reset)
• The actual speed computed from the measured relative speed value, encoder Time
Base, and Encoder PPR. The PPR value must be entered manually on this
screen every the utility is run, as it is not stored in the controller or on the PC.
• The Encoder counter values
• The status of the optional limit switches
FIGURE 80. Closed Loop parameter setting screen
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