140CPU65860C

Modicon Quantum Unity Processor (Conformal Coated)

11 MB RAM, 266 MHz, No FPU, Harsh Environment

1. General Information

• Part Number: 140CPU65860C

• Manufacturer: Schneider Electric

• Series: Modicon Quantum (Unity Pro)

• Type: 32-bit PowerPC RISC, 266 MHz, NO FPU

• On-board RAM: 11264 KB (11 MB) (program + data)

• Coating: Conformal Coated (C) – for harsh environments

• Slot Occupancy: 2 slots (wide)

• Software: Unity Pro XL

• Status: Discontinued (EOL: Dec 31, 2018)

• End-of-Service: Dec 31, 2026

• Recommended Replacement: BMEP585040C (M580)

• Weight: ~1.5 kg

• Hot-Swappable: Yes

2. Performance

• Boolean Logic: 0.0525–0.075 µs/instruction

• Word Logic: 0.09–0.12 µs/word

• Fixed-point Arithmetic: 0.96–1.02 µs

• Floating-point: Not supported (no FPU)

• Tasks:

  • 1 × Cyclic Master Task

  • 1 × Fast Periodic Task

  • 128 × I/O Interrupt Tasks

  • 32 × Timer Interrupt Tasks

3. Memory & Expansion

• Internal RAM: 11 MB (program + data)

• PCMCIA Card (optional):

  • Program memory: up to 7 MB

  • File storage: up to 8 MB

• Backup: 3 V lithium battery (≈10 years retention)

• Real-Time Clock (RTC): Integrated, battery-backed

4. I/O Capacity

• Distributed Digital I/O: 8,000 In / 8,000 Out (MB+)

• Remote I/O (max): 31,744 points

• Distributed Stations: 63 (Modbus Plus)

• Remote Stations: 31 (per RIO bus)

• Local Expansion Racks: up to 2

5. Communications (Integrated)

• 1 × Modbus Plus (MB+): D-Sub 9, 1 Mbps

• 1 × 10/100 Mbps Ethernet (RJ45): Modbus TCP/IP

• 1 × Modbus RTU (RS-232/485): D-Sub 9, ASCII/RTU

• 1 × USB 1.1: Programming & data logging

• Expansion Slots: 6 (for Ethernet, Profibus DP, etc.)

6. Key Features

• 11 MB Large RAM: Largest Quantum CPU memory, for big programs/data

• No FPU: Optimized for logic/sequential control (not floating-point)

• Conformal Coated (C): Protection against dust, moisture, corrosive gases

• Hot-Standby Redundancy: Supported (sync via fiber module)

7. Electrical

• Backplane Current: 2.8 A @ 5.1 VDC (typical)

• Power Consumption: ~14.3 W

8. Environmental

• Operating Temp: 0 °C to +60 °C

• Storage Temp: −40 °C to +85 °C

• Humidity: 5–95% RH, non-condensing

• Altitude: 5,000 m

9. Certifications

10. Model Differences

• 140CPU65860C: 11 MB RAM, 266 MHz, no FPU, conformal coated

• 140CPU65860: 11 MB RAM, 266 MHz, no FPU, standard coating

• 140CPU65260C: 3 MB RAM, 266 MHz, with FPU, conformal coated