RELIANCE 0-51829-2 LVTC Linear Voltage Timing Control Board

Technical SpecificationsModel:0-51829-2 Brand:RELIANCE Product type:LVTC Linear Voltage Timing Control Board Weight:0.78kg Dimension:210mm135mm30mm Operating temperature:0℃ ~ 60℃ Storage temperature:-40℃ ~ +85℃ Relative humidity:5%~85%,non-condensing Certification:CE

System compatibility0-51829-2 belongs to RELIANCE LVTC linear voltage timing control rack plug-in board. It is designed for Reliance MaxPak Plus spindle DC drive rack,cooperates with pulse driver board and main regulator board. It handles linear voltage ramp and firing angle timing control for SCR rectifier bridge. Commonly used for maintenance and spare replacement of old industrial spindle DC drive equipment.

Function0-51829-2 is dedicated LVTC linear voltage timing PCB for RELIANCE MaxPak Plus DC drive system. Receive speed error signal from main regulator. Generate linear ramp voltage and synchronized timing signal to control SCR firing phase angle. Two front panel adjustable potentiometers for voltage ramp slope and timing offset calibration. Stabilize armature voltage rise during motor acceleration and deceleration. Provide soft-start function to suppress current surge at drive startup. Filter phase noise and maintain firing angle synchronization across three phases. Output timing reference signal to pulse driver board for SCR gate trigger.

InstallationPower off the whole drive cabinet and cut main power supply. Insert 0-51829-2 LVTC board into drive rack slot and lock retaining screw. Connect gold finger backplane connector for internal signal exchange. Separate low voltage analog timing wiring from high-current power bus. Power on system,calibrate ramp and timing parameters via front potentiometers. Verify motor soft-start and armature voltage linear regulation.

InterfaceBackplane edge connector,error signal input,timing reference output,auxiliary power terminal,shield grounding terminal,status LED indicators.

FeatureRELIANCE 0-51829-2 rack mount LVTC linear voltage timing board. Discrete analog circuit for ramp generation and firing timing control. Two front panel adjustment dials for on-site calibration. Gold plated edge connector for reliable rack contact. Optimized phase synchronization circuit for three-phase SCR control. Industrial PCB design for long continuous running in harsh factory environment. Discontinued obsolete board,supply only for old Reliance MaxPak Plus DC drive system spare replacement. Suitable for metallurgy,paper-making production line spindle DC drive renovation and maintenance.

DiagnosticDrive startup current surge:ramp potentiometer misadjustment or circuit component aging; Unbalanced three-phase voltage:timing channel drift; Motor no acceleration:missing timing reference signal to pulse driver; Voltage oscillation:ramp circuit unstable; Intermittent firing disorder:backplane pin oxidation and poor contact.

Product BriefRELIANCE 0-51829-2 is LVTC linear voltage timing control board. It generates linear voltage ramp and SCR firing timing reference signal for Reliance MaxPak Plus legacy spindle DC drive,realizes soft start and armature voltage regulation,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.