RELIANCE 0-51874-2 SSC Static Sequence Card

Technical SpecificationsModel:0-51874-2 Brand:RELIANCE Product type:SSC Static Sequence Card Weight:0.56kg Dimension:210mm135mm30mm Operating temperature:0℃ ~ 60℃ Storage temperature:-40℃ ~ +85℃ Relative humidity:5%~85%,non-condensing Certification:CE

System compatibility0-51874-2 is RELIANCE upgraded SSC rack plug-in static sequence logic board. It is revised version of 0-51874 base model,designed for Reliance MaxPak Plus series spindle DC drive rack,cooperates with USAB summing amplifier board and CGSA gate summing board. It manages drive startup,ramp down,shutdown and multi-condition protection interlock sequential logic. Commonly used for maintenance and spare replacement of old industrial spindle DC drive equipment.

Function0-51874-2 is dedicated SSC static sequence logic PCB for RELIANCE MaxPak Plus DC drive system. Receive multi-channel digital signals including enable command,motor thermal alarm,overcurrent interlock,field loss and ready feedback signal. Optimized timing sequence for power-up delay,current ramp enable and fault emergency shutdown. Updated DIP switch and jumper bank for flexible logic configuration to match different spindle application. Multiple LED indicators separately display each sequence state and fault alarm source. Fast interlock output to immediately cut off SCR trigger pulses once protection condition is triggered. Improved anti-jamming circuit reduces false tripping caused by rack noise interference.

InstallationPower off the whole drive cabinet and cut main power supply. Insert 0-51874-2 SSC board into drive rack slot and lock retaining screw. Connect gold finger backplane connector for internal signal exchange. Separate low-level logic signal wiring from high-power pulse cables. Power on system,set DIP switch and jumper configuration according to field application requirement. Verify complete startup sequence and emergency fault interlock response.

InterfaceBackplane edge connector,digital status input,interlock logic output,auxiliary power terminal,shield grounding terminal,multi-channel status LED indicators,onboard DIP switch and jumper bank.

FeatureRELIANCE 0-51874-2 rack mount SSC static sequence card. Discrete digital logic circuit for sequential operation and multi-point safety interlock. Onboard DIP switches and jumpers for flexible timing and logic setup. Enhanced noise suppression and signal filtering compared with 0-51874 base version. Gold plated edge connector for reliable rack signal transmission. Multi LED visual indication for running sequence and fault source. 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 sequence abort:DIP switch misconfiguration or logic component aging; Sequence suspended:missing feedback signal or loose backplane contact; Fault LED illuminated:protection interlock triggered; No pulse cut-off action:output logic gate failure; Random sequence reset:backplane pin oxidation and poor contact.

Product BriefRELIANCE 0-51874-2 is SSC static sequence card. It controls startup,shutdown and multi-condition safety interlock sequential logic for Reliance MaxPak Plus legacy spindle DC drive,guaranteeing orderly and safe spindle operation,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.