DANAHER MOTION 501-04052-00 Digital Input Board

Technical SpecificationsModel：501-04052-00 Brand：DANAHER MOTION (Giddings & Lewis) Product Type: Rack plug-in digital input printed circuit board assembly for CNC motion control system

Board Feature:Function: Collect 24VDC discrete digital signals from machine field sensors,limit switches and safety interlock devices Opto-coupler galvanic isolation between field wiring and rack control logic Built-in hardware filter to debounce switch signals On-board LED indicators for per-channel status diagnostic ESD and transient surge protection on each input channel Gold finger edge connector for CNC rack backplane connection

Electrical Parameters:Backplane supply:+5VDC, ±15VDC supplied from CNC rack backplane Field input signal:24VDC discrete digital input Isolation voltage:500V between field circuit and rack logic

Mechanical & Structure:Housing:PCB assembly with metal retention bracket Mounting:Plug-in installation into Giddings & Lewis CNC rack slot Protection class:IP20

Environmental:Operating temperature:0℃ ~ +50℃ Ambient humidity:5~85% non-condensing Certification:UL, CE approved Status:Manufacturer discontinued legacy spare part

System compatibility

501-04052-00 belongs to DANAHER MOTION Giddings & Lewis legacy CNC rack family. Compatible with older Giddings & Lewis CPU, servo axis control boards and output I/O cards. Widely deployed on heavy-duty boring mills, vertical turning centers and large horizontal CNC machining centers.

Function

501-04052-00 is digital input PCB board manufactured by DANAHER MOTION Giddings & Lewis. It reads 24V digital signals from machine limit switches, proximity sensors, door interlocks and push buttons. Optical isolation separates machine field electrical noise from sensitive CNC rack logic. The hardware filter eliminates switch bounce, and on-board LEDs allow maintenance technicians to quickly check input signal integrity.

Installation

Follow lockout/tagout safety procedure before installation. Fully power off CNC rack. Insert 501-04052-00 gold finger card into vacant rack slot and lock retention bracket. Connect field sensor and switch wiring following Giddings & Lewis hardware manual. Power on and perform point-by-point input signal test.

Interface

Gold-edge backplane connector, field signal terminal block, on-board channel status LED indicator for DANAHER MOTION 501-04052-00.

Feature

Original DANAHER MOTION 501-04052-00 CNC digital input PCB board,opto-isolated 24V input circuit,hardware debounce filter,per-channel surge protection,LED diagnostic indicators,gold finger rack plug-in design,UL & CE certified. This spare unit is used for legacy heavy CNC machine safety interlock and discrete signal acquisition system maintenance and hardware replacement.

Diagnostic

No input signal reading: Check field 24V supply, switch contact and wiring continuity. Random signal flickering: Inspect cable shielding, grounding and electromagnetic interference. Board offline: Verify rack backplane power supply and gold finger contact condition.

Product Brief

501-04052-00 is DANAHER MOTION Giddings & Lewis legacy rack mount CNC digital input PCB board,for collection of machine limit,interlock and sensor 24VDC discrete signals,discontinued spare card.