RELIANCE 0-51818-2 BCCB Binary Counter Conversion Board

Technical SpecificationsModel:0-51818-2 Brand:RELIANCE Product type:BCCB Binary Counter Conversion Board Weight:0.64kg Dimension:210mm138mm30mm Operating temperature:0℃ ~ 60℃ Storage temperature:-40℃ ~ +85℃ Relative humidity:5%~85%,non-condensing Certification:CE

System compatibility0-51818-2 belongs to RELIANCE revised BCCB bi-directional binary counter conversion rack card. It is plug-in board for Reliance MaxPak Plus series legacy DC drive rack,cooperates with main regulator board and encoder/tachometer feedback circuit. Compared with 0-51818-1 single-direction version,this board supports bi-directional pulse counting for forward/reverse spindle speed monitoring. Commonly used for maintenance and spare replacement of old industrial DC spindle drive equipment.

Function0-51818-2 is dedicated BCCB bi-directional binary counter conversion PCB for RELIANCE MaxPak Plus DC drive system. Receive quadrature pulse signals from incremental encoder or tachometer generator. Complete bi-directional pulse counting and frequency-to-binary digital conversion. Distinguish motor rotation direction via quadrature phase signal. Transmit converted binary speed value and rotation direction flag to drive main control regulator. Provide digital speed readout signal for front panel indication. Detect pulse signal loss and trigger speed-loss fault warning. Onboard circuit filters noise pulse interference to avoid miscounting. Realize speed value latching for stable speed feedback under forward and reverse operation.

InstallationPower off the whole drive cabinet and cut main power supply. Insert 0-51818-2 BCCB board into drive rack slot and lock retaining screw. Connect gold finger backplane connector for internal signal exchange. Separate quadrature pulse feedback wiring from high-current power bus. Power on system,verify bi-directional pulse counting and binary conversion accuracy. Check speed indication consistency with actual motor forward/reverse rotation speed.

InterfaceBackplane edge connector,quadrature encoder/tachometer pulse input,binary data & direction output,auxiliary power terminal,shield grounding terminal,status LED indicators.

FeatureRELIANCE 0-51818-2 rack plug-in BCCB bi-directional binary counter conversion board. Discrete digital logic circuit for quadrature pulse counting and binary conversion. Support forward/reverse rotation direction identification,upgraded from 0-51818-1. Built-in noise filter to suppress interference on tachometer/encoder signal. Gold plated edge connector for reliable rack contact. Front terminal strip for field quadrature pulse signal wiring. 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 DC spindle drive renovation and maintenance.

DiagnosticMotor speed display incorrect:quadrature pulse signal attenuation or counter circuit failure; Speed reading jitter:noise interference on encoder wiring; No binary output:missing auxiliary power; Speed loss alarm triggered:encoder/tachometer signal missing; Rotation direction recognition error:phase channel wiring wrong; Intermittent counting error:backplane pin oxidation and poor contact.

Product BriefRELIANCE 0-51818-2 is BCCB binary counter conversion board. It acquires quadrature encoder/tachometer pulse signals,performs bi-directional pulse counting and binary conversion for Reliance MaxPak Plus legacy DC spindle drive speed feedback,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.