RELIANCE 0-51423 Field Supply Board

Technical SpecificationsModel:0-51423 Brand:RELIANCE Product type:Field Supply Board Weight:0.69kg Dimension:218mm145mm30mm Operating temperature:0℃ ~ 60℃ Storage temperature:-40℃ ~ +85℃ Relative humidity:5%~85%,non-condensing Certification:CE

System compatibility0-51423 belongs to RELIANCE field supply board. Installed inside Reliance DC variable speed drive cabinet,cooperates with field regulator board and DC motor field winding. It supplies regulated excitation power for shunt DC motor field coil. Commonly used for maintenance and spare replacement of old industrial DC drive equipment.

Function0-51423 is dedicated field excitation power PCB for RELIANCE DC drive system. Convert auxiliary AC input to adjustable DC excitation voltage for motor field winding. Accept control signal from field regulator board to adjust output field voltage. Provide overcurrent and short-circuit protection for field excitation circuit. Monitor field output voltage and current,feed status signal back to regulator board. Prevent excessive excitation current from damaging motor field coil. Maintain stable excitation power under grid voltage fluctuation.

InstallationPower off the whole drive cabinet and cut main power supply. Mount 0-51423 board to designated bracket and lock fasteners. Connect AC auxiliary input,field power output and control signal wiring. Separate field power wiring from low-voltage analog signal cable. Power on system,calibrate field output voltage range. Verify excitation stability under base speed and field weakening operation.

InterfaceTerminal block connector,AC auxiliary power input,DC field power output,regulator control signal input,field current feedback output,status LED indicators.

FeatureRELIANCE 0-51423,field excitation power supply board for DC shunt motor. Adjustable DC output matched with field regulator closed-loop control. Built-in overcurrent and short-circuit hardware protection. Voltage stabilization circuit against mains fluctuation. Industrial PCB design for long continuous running in harsh factory environment. Discontinued obsolete board,supply only for old Reliance DC drive system spare replacement. Suitable for metallurgy,paper-making production line DC drive renovation and maintenance.

DiagnosticMotor field no excitation:AC auxiliary power loss or internal fuse blown; Field voltage unstable:rectifier or capacitor aging; Field overcurrent alarm:field coil short circuit or board damage; Unable to adjust field voltage:control signal channel failure; Intermittent excitation dropout:loose terminal connection.

Product BriefRELIANCE 0-51423 is field supply board. It converts AC auxiliary power to adjustable DC excitation power,works together with field regulator board to supply stable field current for Reliance legacy DC drive shunt motor,widely used as spare part for legacy DC drive equipment maintenance.

DisclaimerAll parameters are for reference only and not the basis of quotation. Goods are scarce,overseas delivery lead time 3-7 working days. It is only used for equipment maintenance and retrofit.