Rockwell Automation WebPak 3000 DC Drive Application Workbook Version 1.1 - Manual (Page 35)

Configuring the Field Current Regulator 5-1
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HAPTER
5
Configuring the Field Current Regulator
Configuring the field current regulator consists of setting up the following:
• Field reference
• Field feedback
• Automatic field weakening (spillover control)
• Field regulator
The output parameter FLD CURRENT REGULATOR (P.586) indicates that the Field Current
Regulator kit has been installed. Refer to figure A.12 in Appendix A of the software
manual (D2-3444) as you configure the field current regulator.
5.1 The Field Reference
FIELD REFERENCE (P.590) is the value of the conditioned signal that represents the
reference to the field regulator PI block as a percentage of MOTOR HOT FLD AMPS
(P.510). (Note that if factory defaults are restored, or if a valid value has not been
entered for P.510, the DC field voltage is fixed at 150 V for a 230 VAC line or at 300 V
for a 460 VAC line.)
Field economy reduces the field voltage when the motor is at zero speed and the
contactor is open. This reduces standby power consumption and prolongs the
insulation life of the motor field windings. The status of the field economy function is
displayed in
FIELD ECONOMY ACTIVE (P.599).
Use This Chapter for These Applications:
•
Constant Diameter Speed Regulator
•
Variable Diameter Speed Regulator
•
Constant Diameter Current Regulator
• Variable Diameter Current Regulator
• Constant Diameter Position Regulator
• Variable Diameter Position Regulator
• Constant Diameter Tension Regulator
• Variable Diameter Tension Regulator
• Generic