





Schneider Modicon 140DDI84100 Discrete Input Module for Modicon Quantum PLC Platform
Warranty: 365 days
Quality: Original module
Condition: New / Used
Warehouse: Spot
Delivery time: Shipped in 3 days after payment
Mailbox:plcvarious@foxmail.com
Introduction
1.Main Functions
- It is a rack-mounted I/O module for Modicon Quantum PLC, used to collect external field discrete switch signals.
- Specification: 16-channel DC discrete input, 24VDC signal type.
- Converts field signals from passive contacts and sensor switches into internal signals recognizable by the PLC backplane.
- Supports channel status diagnosis for circuit fault detection.
- Communicates with Quantum CPU (e.g.140CPU43412A) via backplane bus, uploading collected switch status to the controller for logic processing.

2. Applications
- Collect discrete signals such as valve limit switches, auxiliary contactors, photoelectric sensors, emergency stop buttons and level switches on site.
- Widely deployed in automation systems equipped with Modicon Quantum PLC, including water treatment, power plants, petrochemical, metallurgy, oil & gas industries.
- Used for spare part replacement and maintenance of aging production lines and control cabinets.


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