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Real-World Use & Application Scenarios
The Schneider Electric 140CPU67160 is an advanced processor module designed for high-availability industrial automation systems where uptime and rapid fault recovery are paramount. Widely used in industries such as manufacturing, energy, utilities, and critical infrastructure, this CPU supports hot standby redundancy configurations, ensuring zero downtime production and robust control of complex distributed I/O systems. It addresses challenges in environments where precise timing, rapid data processing, and extensive network communication are essential to maintaining continuous process control and safety.
- 140CPU67160
Product Introduction & Positioning
The Schneider Electric 140CPU67160 is a Unity Hot Standby processor for the Modicon Quantum series, featuring a 266 MHz 32-bit processor that supports up to 10 slots locally for I/O and communication modules. Its core function is to operate in redundant, hot standby mode where two processors continuously synchronize, allowing immediate failover without disruption.
This CPU supports extensive distributed I/O with up to 63 stations across three distributed networks, and 31 remote stations in two racks, accommodating large automation architectures. Integrated communication includes Ethernet TCP/IP, Modbus, Modbus Plus, and USB connectivity, ensuring flexibility in network configurations and system integration.
Key Technical Features & Functional Benefits
The 140CPU67160 delivers powerful processing capabilities with instruction execution times ranging from 0.4 to 0.5 microseconds for floating-point operations and down to 0.045 microseconds for Boolean and word instructions, facilitating high-speed control and computation. It offers large memory space including 1,024 kB RAM (with 512 kB dedicated to data) and expansion options up to 8 MB file storage and 7,168 kB program storage via PCMCIA cards.
Highly scalable, this CPU manages large quantities of distributed and remote I/O, including up to 8,000 inputs and outputs per distributed network and over 31,000 inputs and outputs for remote I/O, supporting extensive automation solutions. Application-specific inputs such as accurate time stamping, counters, and high-speed interrupt inputs allow for sophisticated process monitoring and control.
Security is enhanced by a key switch to control memory port access, preventing unauthorized changes. Diagnostic LEDs provide visible status on Ethernet activity and collisions, aiding quick troubleshooting and maintenance.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | 140CPU67160 |
| Brand | Schneider Electric |
| Processor Frequency | 266 MHz |
| Local Rack Slot Capacity | Up to 10 slots |
| Distributed I/O Stations | 63 stations – 3 distributed networks |
| Remote I/O Stations | 31 stations – 2 remote racks |
| Discrete Inputs/Outputs | 8,000 per network distributed; 31,744 remote |
| Analog Inputs/Outputs | 500 distributed; 1984 remote |
| Memory | 1,024 kB RAM (512 kB for data), expandable 8 MB file & 7,168 kB program (PCMCIA) |
| Communication Ports | 1 Ethernet TCP/IP (RJ45), 1 Modbus (RJ45), 1 Modbus Plus (SUB-D 9), 1 USB port |
| Instruction Execution Time | 0.4-0.5 μs floating-point; 0.045-0.06 μs Boolean/word |
| Application-Specific I/O | Timers, counters, high-speed interrupt inputs, serial link |
| Key Switch | Memory port on/off |
| Power Consumption | 2,500 mA bus current |
| Local Diagnostics | 1 Green LED Ethernet activity, 1 Red LED Ethernet collision |
| Operating Temperature | 0 to 60 °C |
| Certifications | UL 508, CSA C22.2 No 142, CE, FM Class 1 Div 2 |
| Weight | Approximately 0.85 kg |
Related Modules or Compatible Units
140ADI12000 – Analog input module compatible with Quantum architecture.
140AVO02000 – Analog voltage output module for Quantum systems.
140CRA35201 – Communication adapter supporting various industrial protocols.
140DPN21100 – PROFIBUS communication card for distributed networks.
Installation Notes & Maintenance Best Practices
Installation requires securely mounting the 140CPU67160 within a Modicon Quantum rack and ensuring all communication connections (Ethernet, Modbus, Modbus Plus) are properly shielded and grounded. Configuration of hot standby operation is critical; ensure synchronization settings and failover protocols are in place and tested.
Maintenance should include monitoring status LEDs for communication health and collision alerts. Firmware updates and regular integrity checks of PCMCIA memory cards help maintain system security and performance. The key switch must be managed carefully to prevent unintended memory modifications.
