Product ModelModel Number: 0-51893-4

BrandBrand: Reliance Electric, belonging to Baldor and ABB Group

Product CategoryCategory: Industrial Drive Excitation Control BoardType: DC Motor Field Current Regulation Circuit Board

AliasOfficial Name: Field Control BoardOther Names: Field excitation regulator board, motor field control card, field weakening speed control board

Basic InformationManufacturer: Reliance Electric USAInstallation Type: Standard cabinet plug-in circuit boardProduct Status: Discontinued, used as spare replacement parts for industrial equipmentStructural Feature: Adopts optimized closed-loop control circuit, equipped with precise calibration potentiometers and enhanced protection circuits

Function & PositioningCore Function: Precisely stabilize and adjust excitation current of DC motors, realize field weakening speed-up function for high speed operation. It cooperates with armature loop to achieve synchronous wide-range speed regulation, and activates protective interlock once abnormal field current occurs.Product Positioning: Upgraded dedicated excitation core control board for industrial DC drives, ensuring stable magnetic field output and excellent constant power speed regulation performance of motors.

Core Performance ParametersInput: Control signals and auxiliary power supplyOutput: Adjustable and stable DC excitation currentSupport manual trimming and parameter fine calibrationOperating Temperature: 0℃ ~ 55℃Storage Temperature: -40℃ ~ 85℃Built-in loss-of-field protection, overcurrent protection and overheat protection function

General Matching AccessoriesDrive main control board, signal connection cables, power wiring terminals, cabinet fixing parts, debugging and adjusting tools

Applicable Equipment & IndustryApplicable Equipment: Reliance MaxPak series DC drives, PRL series drives, Cardpack system industrial drivesApplicable Fields: Metallurgical rolling lines, papermaking machinery, heavy-duty transmission equipment, large CNC processing equipment, industrial constant power speed regulating equipment