RELIANCE 0-49042 Pulse Amplifier Card

Technical SpecificationsModel:0-49042 Brand:RELIANCE Product type:Pulse Amplifier Card Weight:0.72kg Dimension:231mm161mm28mm Operating temperature:0℃ ~ 60℃ Storage temperature:-40℃ ~ +85℃ Relative humidity:5%~85%,non-condensing Certification:CE

System compatibility0-49042 belongs to RELIANCE CardPak series pulse amplifier card. Installed into CardPak rack,works with control rectifier card and SCR thyristor stack. It amplifies firing pulse signal to drive thyristor in CardPak DC drive system. Commonly used for old industrial DC drive equipment maintenance and spare replacement.

Function0-49042 is dedicated pulse amplifier trigger board for RELIANCE CardPak DC drive system. Receive low-level phase shift firing command from rectifier control card. Amplify pulse power to meet SCR gate drive requirement. Distribute amplified trigger pulse to each thyristor branch. Provide pulse isolation between control circuit and power section. Monitor pulse output status and report pulse loss fault. Prevent insufficient gate current leading to thyristor misfiring.

InstallationPower off the whole drive cabinet and cut main power supply. Insert 0-49042 board into designated CardPak slot and lock retaining latch. Connect backplane bus connector and trigger signal wiring. Separate low voltage control wiring from high power main circuit cable. Power on system,check pulse amplitude and phase sequence. Test trigger function under no-load and loaded operation.

InterfaceBackplane bus connector,trigger command input,thyristor pulse output terminal,fault status output,status LED indicators.

FeatureRELIANCE 0-49042,CardPak rack mount pulse amplifier card. Power amplification for SCR gate trigger pulse. Multi-channel pulse distribution and phase matching. Electrical isolation between control and power circuit. Pulse loss detection and fault signal output. Industrial PCB design for long continuous running in harsh factory environment. Discontinued obsolete board,supply only for old CardPak DC drive system spare replacement. Suitable for metallurgy,paper-making production line DC drive renovation and maintenance.

DiagnosticThyristor misfire:insufficient pulse amplitude or loose output wiring; No trigger pulse output:amplifier circuit damage; Uneven current between phases:pulse channel imbalance; Pulse loss alarm:input command signal interruption; Random drive trip:backplane connector poor contact.

Product BriefRELIANCE 0-49042 is CardPak pulse amplifier card. It amplifies and distributes SCR firing pulses for thyristor stack of Reliance CardPak DC drive,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.