RELIANCE 0-52855 CVCB Control Circuit Board

Technical Specifications

Model:0-52855

Brand:RELIANCE

Product type:CVCB Current & Voltage Control PCB Board

Substrate:FR4 printed circuit board

Weight:0.33kg

Dimension:160mm110mm2.8mm

Operating temperature:0℃ ~ 60℃

Storage temperature:-40℃ ~ +85℃

Relative humidity:5%~85%,non-condensing

Certification:CE

System compatibility

0-52855 belongs to RELIANCE MaxPak series CVCB current voltage control board.

Designed for Reliance legacy MaxPak DC drive rack.

Work cooperatively with ACCA 0-52837,IRFA 0-52850,VCTC 0-52854 and OLVC 0-52808.

Used for current and voltage closed-loop signal processing of MaxPak DC drive.

Commonly used for old drive equipment maintenance and spare replacement.

Function

0-52855 CVCB is current and voltage loop processing card for RELIANCE MaxPak DC drive.

Collect DC bus voltage and armature current sampling signal from power unit.

Process current feedback signal for inner current loop regulation.

Deliver processed loop signal to ACCA main control board.

Implement current limiting and voltage feedback calculation.

Provide real-time current and voltage status signal for drive fault detection.

Installation

Power off the whole drive cabinet and cut main power supply.

Insert 0-52855 board into MaxPak designated slot.

Fasten front panel fixing screws.

Connect edge connector and current/voltage sampling terminals.

Check high sampling wiring insulation and shielding.

Power on system,calibrate current and voltage sampling gain.

Test current limiting response and voltage feedback function.

Interface

MaxPak edge connector,current & voltage sampling terminal strip,status LED indicators.

Feature

RELIANCE 0-52855,MaxPak CVCB current voltage control PCB assembly.

Onboard precision sampling circuit for armature current and DC bus voltage.

Adjustable potentiometers for onsite calibration of sampling signal.

Signal conditioning circuit to filter power circuit noise.

Clear terminal marking for safe maintenance and troubleshooting.

Discontinued obsolete board,supply only for old drive equipment spare replacement.

Suitable for metallurgy,paper-making heavy-duty MaxPak DC drive renovation.

Diagnostic

Drive overcurrent false alarm:current sampling circuit drift or component aging;

Inaccurate current loop response:sampling gain improper;

Voltage feedback abnormal:bus sampling line damage;

LED no display:board auxiliary power failure or connector poor contact.

Product Brief

RELIANCE 0-52855 CVCB is MaxPak current and voltage control circuit board.

It samples and processes armature current and DC bus voltage signal for Reliance MaxPak DC drive,widely used as spare part for heavy industry DC motor drive maintenance.

Disclaimer

All parameters are for reference only and not for quotation basis. Goods are scarce and will be powered on for inspection before shipment. Overseas delivery lead time 3-7 working days. This item is only used for equipment maintenance and retrofit.