Products Description
Rexroth 109-525-2237A-3 Spare Part

Technical Specifications
Model:109-525-2237A-3
Brand:Rexroth
Product type:Indramat servo drive main control printed circuit board
Power supply:24 Vdc,19.2~28.8V tolerance
Control function:Servo closed-loop motion calculation,encoder signal acquisition,IGBT pulse generation,parameter storage,hardware self-diagnosis,fault indication
Communication:Fieldbus,internal drive bus,analog & digital I/O interface
Mounting:Plug-in installation inside Indramat servo amplifier
Operating temperature:-10~55℃
Storage temperature:-20~70℃
Relative humidity:5~95% non-condensing
Max working altitude:2000m
Weight:0.32kg
Dimension:185mm86mm33mm
Certification:CE
Protection class:IP20
System compatibility
109-525-2237A-3 belongs to Rexroth Indramat servo drive system family,matched with DKC/DDS series servo amplifier and synchronous servo motor.Widely applied in CNC machine tools,automation assembly,press-fit and material handling workstations.This is a discontinued legacy spare part for equipment maintenance replacement.
Function
109-525-2237A-3 is Rexroth Indramat servo drive main control board.It executes current,speed and position closed-loop control algorithm for servo motor.It receives encoder feedback signals and generates drive pulses for power module.It stores motor parameters and motion configuration data.It communicates with upper controller via fieldbus to receive motion commands and feedback operating status.It activates overcurrent,overvoltage and overload protection logic to protect power stage and servo motor.It acts as core logic control component for Indramat servo drive unit.
Installation
Install 109-525-2237A-3 into servo drive designated slot and lock fasteners.Connect encoder,bus and control wiring according to wiring drawing.Check 24V power polarity and equipment grounding before power-on.
Interface
‑24Vdc power input terminal
‑Encoder feedback connector
‑Fieldbus communication port
‑Analog and digital signal terminals
‑Status and fault LED indicator
Circuit feature
Built-in ESD and surge suppression circuit,differential signal acquisition design,strong anti-electromagnetic interference performance for industrial workshop environment.
Feature
109-525-2237A-3 is obsolete Rexroth spare part.Typical faults:drive boot failure,encoder signal error,pulse output abnormal,connector pin oxidation,PCB circuit burnout.Inspect circuit board and connector pins before replacement.This board must match corresponding Indramat servo drive model,direct substitution without inspection is not recommended.
Diagnostic
When encoder signal loss,bus communication failure or power drive pulse abnormality occurs,the module triggers protection and lights up fault LED.
Built‑in function:Servo closed-loop motion control,encoder signal processing,pulse signal output,parameter storage,status monitoring,self-diagnosis and fault alarm,used as Rexroth Indramat servo drive system spare replacement.
Product Brief
109-525-2237A-3 is Rexroth Indramat old servo drive main control board for CNC machine tool and automation workstation.Confirm compatibility with matched servo amplifier before ordering.ESD protection required during handling and installation.