Product Details:

MODICON AS-J540-100 is an I/O adapter assembly belonging to the Modicon 500 series control platform, equipped with a dedicated bus error reset button for local fault clearing. It serves as the bridge between the host processor and distributed 500 series remote I/O racks, responsible for bus signal conversion, frame forwarding and communication state management. This adapter continuously polls remote I/O nodes, transmits field input data back to the main CPU and distributes output commands to corresponding field modules. The onboard reset button allows technicians to manually clear bus communication faults without powering down the whole rack, greatly simplifying on-site troubleshooting. It adopts standard rack mounting and fits directly into the Modicon 500 backplane, with built-in surge suppression and noise filtering circuits to stabilize bus transmission in heavy interference industrial environments. As an obsolete original spare part, it is used for maintenance and retrofitting of legacy Modicon distributed automation systems. Direct replacement keeps the existing bus cabling, node layout and rack configuration unchanged, reduces wiring modification and cuts production downtime.

Basic Parameters

Product type: 500 series I/O adapter assembly with bus reset

Compatible system: Modicon 500 series remote I/O system

Installation: rack mount for Modicon 500 backplane

Local control: integrated bus error reset push button

Bus interface: dedicated Modicon remote I/O bus

Operating temperature: 0°C ~ +60°C

Protection grade: IP20

Supported Functions

Remote I/O bus polling and data forwarding

Bus fault detection and status reporting

Manual bus error reset via push button

Data exchange between CPU and remote racks

Node communication supervision

Bus signal conditioning and isolation

Core Functions

Continuous communication polling of remote I/O nodes

Onboard LED indication for bus and fault status

Transient surge suppression for bus lines

Manual fault reset for communication recovery

Data frame verification and retransmission

Diagnostic flag storage for bus failures

Hardware Specifications & Environmental Features

Built-in bus noise filtering and surge suppression 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Status: Obsolete original part, available for spare replacement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 chemical distributed control, old paper making automation, mining auxiliary signal collection and large conveyor remote I/O systems.

Note: Confirm backplane compatibility, bus cable specification and existing remote node configuration before ordering.

This is from our current stock.

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