Schneider 140CPU11302R Quantum Processor

This processor serves as the central controller for Schneider Modicon Quantum automation systems. It manages high-speed logic execution for complex industrial processes. Therefore, it delivers reliable control for power plants, water treatment, and manufacturing lines.

Technical Specifications of Schneider 140CPU11302R

Parameter	Specification
Brand	Schneider Electric
Full Model	140CPU11302R
Category	Modicon Quantum Concept Processor (CPU)
Dimensions (L x W x H)	27.0 cm x 18.5 cm x 4.5 cm (10.63″ x 7.28″ x 1.77″)
Processor Weight	0.85 kg (1.87 lbs)
Backplane Interface	1 x 48-pin Male Connector (Quantum Rack)
Power Supply Input	5 VDC from Backplane (1.5 A Typical)
Power Consumption	7.5 W (Typical)
Processor Type	32-bit RISC (66 MHz)
Program Memory	512 kB RAM (Battery Backed)
Data Memory	256 kB RAM (Retentive with Battery)
Backup Battery	140XCP90000 (Lithium, 3V)
Execution Speed	0.15 µs per Boolean Instruction
Communication Ports	1 x RS-232 (Modbus) + 1 x RS-485 (Modbus Plus)
PCMCIA Slot	Type II (Memory or Communication Expansion)
Supported PCMCIA Cards	SRAM (Up to 8 MB) + Flash + Modbus Plus
Programming Software	Concept or Unity Pro XL
Programming Languages	Ladder (LD) + FBD + SFC + IL + ST
Task Types	Cyclic + Periodic + Event + Interrupt
Maximum Local I/O	8192 Points (Digital) or 512 Channels (Analog)
Maximum Remote I/O	32 Advantys STB Islands via Modbus Plus
On-Board Components	1 CPU IC + 4 Memory Chips + 2 UARTs + 1 RTC + 4 Line Drivers + 6 Protection Diodes
Energy Storage	4 x 100 µF Tantalum Capacitors (25V) + 2 x 470 µF Electrolytic (35V) + 1 x CR2032 Backup Battery
Battery Backup Life	5 Years (Typical for RAM and RTC Retention)
Scan Time	0.5 ms for 10 kB of Ladder Logic
Operating Temperature	0°C to +60°C (32°F to 140°F)
Mounting Type	Quantum Rack (Single Slot, Hot Standby Capable)
Status Indicators	2 Green LEDs (Run + Power) + 2 Red LEDs (Fault + Battery Low) + 1 Yellow LED (Modbus)

Energy Storage and Data Retention

The Schneider 140CPU11302R stores energy using six onboard capacitors. Four tantalum capacitors filter logic power for the CPU and memory circuits. Two electrolytic capacitors provide hold-up energy during backplane power dips. Furthermore, a replaceable lithium battery retains all program and data memory. Consequently, this processor preserves critical control logic for up to five years.

Communication and Expansion Capabilities

You will find two serial ports for industrial networking on this processor. The RS-232 port supports Modbus RTU for programming and HMI connectivity. The RS-485 port handles Modbus Plus at 1 Mbps for peer-to-peer communication. The PCMCIA slot accepts memory cards for program backup or protocol expansion. Thus, this processor integrates seamlessly into large Quantum architectures.

Scan Performance and Task Management

This processor executes Boolean instructions in just 0.15 microseconds. It supports cyclic, periodic, event, and interrupt tasks for real-time control. A built-in watchdog timer monitors program execution for faults. Therefore, the Schneider 140CPU11302R meets demanding response time requirements.