Schneider Electric 140CPU67261 - Modicon Quantum High-Performance PLC CPU
Key Specifications:
Processor Type: 32-bit RISC processor for real-time control

Memory Configuration:

Application Memory: 2.5 MB (user program)

Data Memory: 1.2 MB (retentive)

Backup Memory: Flash memory for program retention

Execution Speed:

Typical scan time: 0.09 ms per KB of logic

Boolean instruction execution: 0.02 μs

I/O Capacity:

Maximum addressing: 64K I/O points (mixed analog/digital)

Supports local and remote I/O configurations

Communication Interfaces:

Integrated Ports:

1 × RS-232 (Modbus/ASCII)

1 × RS-485 (Modbus)

1 × 10/100 Mbps Ethernet (TCP/IP, Modbus TCP)

Expansion Capabilities:

Supports Modbus Plus (MB+)

Compatible with Profibus-DP, Ethernet TCP/IP, and other fieldbus modules

Special Features:

Built-in real-time clock with battery backup

Supports hot standby redundancy (with 140CRA93100 module)

Integrated web server for remote monitoring

Programming & Software:
Development Environment: EcoStruxure™ Control Expert (formerly Unity Pro)

Programming Languages: Full IEC 61131-3 compliance (LD, FBD, ST, SFC, IL)

Online Features:

Online modification capability

Built-in diagnostic functions

Trace and oscilloscope functions

Physical Characteristics:
Dimensions: 207 × 43 × 208 mm (H × W × D)

Weight: 1.2 kg

Mounting: DIN rail or panel mount

Operating Conditions:

Temperature: 0°C to 60°C (32°F to 140°F)

Humidity: 5% to 95% non-condensing

Shock/Vibration resistant (IEC standards)

Certifications & Compliance:
Safety: UL 508, CSA 22.2

EMC: EN 61326, IEC 61000-6-2/4

Industrial: CE, ATEX (Zone 2)

Typical Applications:
Complex process control systems

Power generation and distribution

Large-scale manufacturing automation

Water/wastewater treatment plants

Oil & gas pipeline control