Product Details:

MODICON 6051-042 belongs to the AEG Modicon ALU modular automation platform, serving as the base part number for a wide family of plug-in rack modules including CPU, digital I/O, analog I/O, bus coupler, communication and power variants with extended suffix codes. This base series adopts European standard rack mounting design and is widely deployed on legacy AEG Modicon ALU control racks for discrete interlock, analog signal acquisition, fieldbus communication and sequential process control. The hardware follows the AEG Modicon ALU backplane specification, exchanging data with the rack controller through the parallel backplane bus. Different suffix derivatives cover diverse functions, such as ADU analog input, DAO digital output, BIK bus coupler, KOS communication interface and ALU CPU variants. Each module is equipped with front panel LED indicators for power, bus activity and channel fault, supporting quick visual diagnosis on site. Integrated EMC filtering and surge suppression circuits protect internal logic circuits from voltage spikes and electromagnetic interference induced by contactors, drives and heavy power equipment on the factory floor. As an obsolete original industrial spare part, it is used for maintenance and retrofit of aging AEG Modicon ALU automation systems. Direct drop-in replacement keeps the existing backplane wiring, PLC program and rack layout unchanged, and reduces debugging workload to cut production downtime.

Basic Parameters

Product type: ALU series plug-in rack module base part

Part number: 6051-042

Brand: AEG Modicon

Compatible platform: AEG Modicon ALU automation rack

Installation: plug-in slot mount for ALU dedicated backplane

Operating temperature: 0°C ~ +60°C

Protection grade: IP20

Supported Functions

Backplane high-speed data exchange with rack controller

Field discrete and analog signal processing according to variant

Module self-diagnosis and fault flag output

Bus communication and signal conversion for field devices

Status indication for power, run and fault

Internal circuit noise and transient surge suppression

Core Functions

Signal acquisition or output for field sensors and actuators

Onboard LED status indication for rapid troubleshooting

Backplane bus signal filtering and interference suppression

Diagnostic alarm for channel, bus or hardware failure

Modular expansion for legacy AEG Modicon ALU control system

Stable long-running operation under industrial interference environment

Hardware Specifications & Environmental Features

Built-in EMI filtering and transient protection circuit

Storage temperature: -25°C ~ +70°C

Relative humidity: 5% to 95% non-condensing

Status: Obsolete original part, available for spare replacement

Industry Applications:Applied in legacy petrochemical distributed control, old paper making production automation, water treatment remote signal collection and large conveyor remote I/O control racks.

Note:Confirm the complete extended suffix number, ALU backplane compatibility and module function type before ordering.

This is from our current stock.

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