Output Calibration
302 UDC3500 Universal Digital Controller Product Manual 3/07
6.5 Position Proportional and Three Position Step Output Calibration
Position Proportional control
Position Proportional Control Output Models
Enter the “Motor Time” as shown in Section 3.14. This model must have its
output calibrated per the entire procedure to ensure the displayed output
(slidewire position) agrees with the final control element position.
Three position step control
Three Position Step Control Output Models not using slidewire feedback.
This model only requires that the “Motor Time” be entered as shown in Section
3.14.
Three Position Step Control Models using slidewire feedback.
Enter the “Motor Time” as shown in Section 3.14. This model must have its
output calibrated per the entire procedure to ensure the displayed output
(slidewire position) agrees with the final control element position.
Equipment needed
None.
Connections
Apply power and leave all field wiring connected to the rear terminals.
Procedure
The procedure for calibrating the Three Position Step or Position Proportional control is
listed in Table 6-7.
Make sure LOCKOUT in Tuning Set Up group is set to NONE. See Subsection 3.4.
ATTENTION
For Three Position Step Control (TPSC), these prompts only appear when
“SLIDEW” or “SW EMUL” is selected in the INPUT 3 Setup group. For Position
Proportional Control, the Output algorithm must also be configured for “POSPROP”. The
Motor Time must be entered in the Output Algorithm Group for both Position
Proportional or for Three Position Step control. See Section
3.14 for details.
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