Product Details

The Delem DM04-K is a dedicated digital I/O expansion module built for the Delem Modusys backplane system, designed to expand discrete signal channels for Delem CNC sheet metal control systems. This digital I/O expansion module does not perform axis motion control; it serves purely as an auxiliary signal interface to collect sensor feedback and drive field actuators. As a reliable Modusys signal interface unit, it communicates with the main controller over the Modusys bus and handles safety switches, limit signals, foot pedal inputs, relay outputs and auxiliary machine logic. This Delem auxiliary I/O module is widely stocked as an original spare part for retrofit and maintenance, adding extra I/O capacity when the built‑in controller channels are exhausted.

Basic Parameters

Brand: Delem

Model: DM04-K

Type: Auxiliary digital I/O expansion module

Bus standard: Delem Modusys

Supply voltage: 24 VDC

Signal type: Opto-isolated digital input and output

Installation: Plug-in on Modusys dedicated backplane

Configuration: Set as I/O type within controller software, no axis control function

Compatible controller: Delem Modusys-based DA series CNC controllers

Product type: Original Delem expansion I/O spare module

Supported Functions

This digital I/O expansion module captures discrete digital feedback signals from field sensors and safety components. The Modusys signal interface unit outputs switching signals to trigger relays, valves and auxiliary machine devices. It transmits all signal status back to the main HMI and executes interlock logic defined in the CNC program. This Delem auxiliary I/O module supports continuous long‑term signal transmission and fast replacement to reduce equipment downtime.

Core Functions

Optical isolation separates noisy field signals from the internal Modusys bus to suppress industrial electromagnetic interference. The digital I/O expansion module routes safety interlock, limit and auxiliary operating signals accurately for machine protection and auxiliary function control. It reports channel faults and communication status to the master controller for quick troubleshooting. Its standard pin layout and Modusys interface support plug‑and‑play substitution without major wiring modification.

Hardware Specifications & Environmental Features

Mounting: Plug-in installation on Delem Modusys backplane

Operating temperature: 0 °C to +55 °C

Storage temperature: -20 °C to +70 °C

Relative humidity: 5% – 90%, non-condensing

PCB treatment: Conformal coating for dust and moisture resistance

Condition: Original new or fully tested refurbished Delem spare part

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

Note: Confirm 800 series backplane compatibility, pulse signal type, counting mode and preset logic before ordering.

This is from our current stock.

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