Products Description
RELIANCE 0-52840-488 CCC Control Card

Technical SpecificationsModel:0-52840-488 Brand:RELIANCE Product type:CCC Control Card Weight:0.56kg Dimension:210mm135mm30mm Operating temperature:0℃ ~ 60℃ Storage temperature:-40℃ ~ +85℃ Relative humidity:5%~85%,non-condensing Certification:CE
System compatibility0-52840-488 is RELIANCE rack plug-in CCC comprehensive closed-loop control card. It belongs to 0-52840 series customized revision board,designed for Reliance MaxPak Plus series spindle DC drive rack,cooperates with current feedback board,voltage feedback board and gate drive board. It undertakes core multi-loop compensation and closed-loop calculation for DC spindle drive. Commonly used for maintenance and spare replacement of old industrial spindle DC drive equipment.
Function0-52840-488 is dedicated CCC printed circuit board for RELIANCE MaxPak Plus DC drive system. It receives speed,armature voltage and armature current feedback signals,completes cascade closed-loop operation including speed loop,voltage loop and current loop. It outputs firing angle reference command to gate drive board,realizing high-precision speed regulation. Multiple front panel multi-turn potentiometers for major loop gain,delay and compensation parameter adjustment. DIP jumpers are reserved for loop configuration selection. Dual LED indicators display board power and loop running status. Built-in signal filtering circuit to suppress high-frequency interference inside the cabinet.
InstallationPower off the whole drive cabinet and cut main power supply. Insert 0-52840-488 CCC control card into drive rack slot and lock retaining screw. Connect gold finger backplane connector for feedback signal and command signal transmission. Separate low-level control signal wiring and high-power cables. Power on system,set DIP jumpers and adjust potentiometers for loop compensation calibration. Verify drive speed and current response meet the mechanical requirement.
InterfaceBackplane edge connector,multi-channel feedback signal input,firing angle reference output,auxiliary power terminal,shield grounding terminal,dual status LED indicators,multi-turn calibration potentiometer bank and jumper array.
FeatureRELIANCE 0-52840-488 rack mount CCC comprehensive closed-loop control card. Cascade multi-loop control and analog compensation circuit. Multiple potentiometers and jumpers for loop parameter tuning. Signal filter circuit to reduce industrial noise interference. Gold plated edge connector for reliable rack signal transmission. Dual LED visual indication for power and loop operation state. 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 dynamic response abnormal:loop potentiometer drift or jumper misconfiguration; No speed regulation:feedback signal loss or analog operational amplifier damage; LED no light:board auxiliary power loss; Drive oscillation:improper compensation parameter; Intermittent speed fluctuation:backplane pin oxidation and poor contact.
Product BriefRELIANCE 0-52840-488 is CCC control card. It executes multi-loop closed-loop compensation and core regulation for Reliance MaxPak Plus legacy spindle DC drive,outputs firing reference to control SCR rectifier,widely used as spare part for legacy DC drive equipment maintenance.

Disclaimer:All 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.