140CPU67160C

The Schneider 140CPU67160C is a Unity Hot Standby processor module from the Modicon Quantum automation platform, engineered for demanding industrial control applications that require high availability, robust communication, and extensive I/O scalability. Built with a 266 MHz processor and 1024 kB RAM, this CPU excels in process control, distributed I/O systems, and remote I/O expansion — making it well suited for manufacturing, utilities, and large‑scale automation architectures.

Technical Specifications

Parameter	Specification
Product Type	PLC CPU Processor Module
Platform	Modicon Quantum
Processor Frequency	266 MHz
Internal RAM	1024 kB (incl. data & runtime memory)
Program Memory Expansion	PCMCIA‑expandable up to 7168 kB
File Storage Expansion	PCMCIA‑expandable up to 8 MB
Communication Interfaces	Ethernet, Modbus, Modbus Plus, USB, Fibre Optic (Hot Standby link)
Local Rack Support	2 racks
Distributed I/O per Network	Up to 8000 In / 8000 Out
Distributed Networks	Up to 3 Modbus Plus networks
Remote I/O Stations	Up to 31 remote racks
Remote Discrete I/O	Up to 31,744 In / 31,744 Out
Remote Analog I/O	Up to 1984 In / 1984 Out
Operating Temperature	0 °C to 60 °C
Storage Temperature	–40 °C to 85 °C
Bus Current Required	~2500 mA
Mounting	Standard Quantum backplane
Dimensions (H×W×D)	Approx. ~250 × 110 × 50 mm
Weight	Approx. ~1.4 kg

This module integrates hot standby redundancy with high‑speed logic processing and distributed network support for mission‑critical systems.

Recommended Related Models

Schneider 140CPU67160 – Standard Quantum Unity CPU
140NOE77101 – Ethernet Communication Module
140CRA93200 – Remote I/O Adapter
140XBP01600 – Backplane Rack
140CPS11410C – AC Power Supply Module

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Application Scenarios

The 140CPU67160C is widely used in industrial automation systems that demand continuous operation, scalable I/O networks, and integrated communication:

Large manufacturing and assembly automation
Process control in energy, utilities, and chemical plants
Water and wastewater treatment automation
Distributed I/O systems with high I/O density
High availability control applications where uptime is critical

Key Advantages

Hot Standby Redundancy: The module supports hot standby architecture, enabling seamless failover and uninterrupted operation in mission‑critical systems.
High‑Speed Processing: With a 266 MHz clock, it delivers fast logic execution, ideal for complex sequencing and real‑time control.
Scalable I/O Support: Handles large distributed and remote I/O networks, supporting tens of thousands of I/O points.
Flexible Communication: Built‑in Ethernet, Modbus, Modbus Plus, and USB support ensure seamless connectivity across automation networks.
Expandable Memory: PCMCIA support allows program and file memory expansion for larger automation projects.

Technical FAQs

What type of processor is in this CPU?
It features a high‑frequency 266 MHz processor for fast control execution.
How much internal memory does it have?
It includes 1024 kB RAM, with further expansion via PCMCIA.
Does it support hot standby operation?
Yes, it is designed specifically for hot standby redundancy.
Which networks can it connect to?
It supports Ethernet, Modbus, and Modbus Plus networks.
What is the max remote I/O it can handle?
Up to 31,744 discrete and 1984 analog remote I/O points.
What is the bus current requirement?
Approximately 2500 mA.
What does it mean by distributed I/O?
Distributed I/O refers to remote modules connected via network that expand input/output beyond local rack limits.
What are its physical dimensions?
Approximately 250 × 110 × 50 mm.
What type of mounting does it use?
It mounts on a Modicon Quantum backplane rack.
Where is this CPU typically deployed?
In medium‑to‑large automation systems requiring scalability, redundancy, and robust networking.