Products Description
RELIANCE 0-48673 Regulator Circuit Board

Technical Specifications
Model:0-48673
Brand:RELIANCE
Product type:Regulator Circuit PCB Board
Substrate:FR4 printed circuit board
Weight:0.3kg
Dimension:152mm105mm2.5mm
Operating temperature:0℃ ~ 60℃
Storage temperature:-40℃ ~ +85℃
Relative humidity:5%~85%,non-condensing
Certification:CE
System compatibility
0-48673 belongs to RELIANCE legacy DC drive regulator board.
Designed for Reliance DC drive series.
Used in industrial DC motor speed closed-loop control system.
Commonly used for old drive equipment maintenance and spare replacement.
Function
0-48673 is speed regulator control card for RELIANCE DC drive.
Realize closed-loop speed regulation of DC motor.
Collect feedback signal from tachometer,compare with set value.
Output control signal to adjust drive output voltage.
Stabilize motor rotating speed under variable load condition.
Complete signal conditioning and error amplification for drive system.
Installation
Power off the whole drive cabinet and cut main power supply.
Insert 0-48673 board into the drive rack slot.
Fasten board fixing screws.
Connect terminal wiring according to marking on PCB edge.
Check wiring terminal tightness.
Power on system,set drive parameters and run speed calibration.
Test motor running status and verify speed stability.
Interface
Screw terminal strip,signal tab terminals,edge connector.
Feature
RELIANCE 0-48673,legacy DC drive regulator PCB assembly.
Onboard error amplifier and signal conditioning circuit.
Marked grid coordinate and terminal numbering on PCB for easy troubleshooting.
Robust circuit design for heavy industrial environment.
Discontinued obsolete board,supply only for old drive equipment spare replacement.
Suitable for metallurgy,paper-making,crane DC drive renovation.
Diagnostic
Motor speed unstable:check tach feedback wiring or regulator board component aging;
No speed adjustment:verify power supply of board and signal terminal connection;
Motor overspeed:regulator circuit drift,calibration failure;
Drive alarm:board circuit damage or short circuit on PCB.
Product Brief
RELIANCE 0-48673 is DC drive speed regulator circuit board.
It realizes closed-loop speed regulation for Reliance DC drive,widely used as spare part for industrial 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.