Introduction
The Schneider 140CRP31200 Quantum Ethernet RIO Header is a communication interface module designed for the Modicon Quantum automation platform. It provides a reliable Ethernet‑based Remote I/O (RIO) connection, enabling a Quantum PLC to interface with remote I/O devices and distributed peripherals over industrial Ethernet networks. Supporting widely used industrial protocols and robust diagnostics, this module modernizes I/O communication while maintaining scalability and performance.
Technical Specifications
| Specification | Details |
|---|
| Model | 140CRP31200 |
| Product Type | Ethernet RIO Header / Head Module |
| Brand | Schneider Electric |
| Platform | Modicon Quantum |
| Ethernet Ports | 4 × 10/100 Mbps RJ‑45 network ports |
| Communication Protocols | Ethernet/IP, Modbus TCP |
| Network Topology | Daisy‑chain loop (Ethernet RIO architecture) |
| Service Functions | Diagnostics, IP parameter configuration, RIO device configuration |
| RSTP Support | Yes (Rapid Spanning Tree Protocol) |
| LED Indicators | Activity, Ready, Module Status, Network Status |
| Compatible CPUs | 140CPU65150, 140CPU65260, 140CPU65160, 140CPU67261, 140CPU67160 |
| Operating Temp. | 0 °C to 60 °C |
| Storage Temp. | –40 °C to 85 °C |
| Dimensions | Width: ~167 mm; Height: ~50 mm |
| Weight | ~0.554 kg |
| Environmental Rating | Standard industrial; Class I Division 2 compatible |
| Mounting | Quantum rack slot format |
Applications
The Schneider 140CRP31200 Ethernet RIO Header is typically used in:
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Distributed I/O Systems — extending remote I/O racks across an Ethernet network
-
Process Automation — supporting data exchange in water/wastewater, chemical, power, and utility systems
-
Machine and Factory Automation — linking sensors, actuators, and remote stations through Ethernet
-
Networked System Expansion — adding remote drops without extensive hard‑wiring
-
Redundant and Resilient Networks — using RSTP for fault‑tolerant Ethernet architectures
-
Multi‑Protocol Environments — integrating devices using Ethernet/IP and Modbus TCP
This header is suited for environments where reliable, scalable, and flexible networked I/O distribution is a core requirement.
Applications
The Schneider 140CRP31200 Ethernet RIO Header is typically used in:
-
Distributed I/O Systems — extending remote I/O racks across an Ethernet network
-
Process Automation — supporting data exchange in water/wastewater, chemical, power, and utility systems
-
Machine and Factory Automation — linking sensors, actuators, and remote stations through Ethernet
-
Networked System Expansion — adding remote drops without extensive hard‑wiring
-
Redundant and Resilient Networks — using RSTP for fault‑tolerant Ethernet architectures
-
Multi‑Protocol Environments — integrating devices using Ethernet/IP and Modbus TCP
This header is suited for environments where reliable, scalable, and flexible networked I/O distribution is a core requirement.
Technical FAQs
-
What does the 140CRP31200 module do?
It provides an Ethernet Remote I/O interface for Quantum PLCs, enabling distributed I/O communication.
-
Which communication protocols are supported?
Ethernet/IP and Modbus TCP are supported for device and network communication.
-
How many Ethernet ports does it have?
It features four 10/100 Mbps RJ‑45 Ethernet ports for network connectivity.
-
Can it be used in redundant networks?
Yes — it supports RSTP for rapid recovery in ring or daisy‑chain network topologies.
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Is it backward compatible with older Quantum CPUs?
It is compatible with a range of Quantum CPUs, including various 140CPU models.
-
Does it provide diagnostics?
Yes — diagnostic services and status LEDs help monitor remote I/O devices and network health.
-
What environmental conditions can it handle?
It is designed for standard industrial environments and supports operation in hazardous class I division 2 areas.
-
What are the physical dimensions?
Approximately 167 mm wide and 50 mm tall, suitable for Quantum rack mounting.
-
Does it support IP configuration?
Yes — it allows IP parameter configuration for network setup.
-
Is the product current?
It has been discontinued but remains supported for service through at least 2030.
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