140CPU67260C

Modicon Quantum Unity Hot Standby Processor (Conformal Coated)

266 MHz, 3072 kB (3 MB) RAM, Multimode Fiber Ethernet, Harsh Environment

1. General Information

• Part Number: 140CPU67260C

• Manufacturer: Schneider Electric

• Series: Modicon Quantum (Unity Pro XL)

• Type: 32-bit PowerPC RISC, 266 MHz, with FPU

• On-board RAM: 3072 kB (3 MB) (program + data, 1.5 MB dedicated data)

• Flash Memory: 4 MB (firmware/backup)

• Coating: Conformal Coated (C) – dust/moisture/corrosion protection

• Slot Occupancy: 2 slots (double width)

• Software: Unity Pro XL (redundancy enabled)

• Status: Discontinued (EOL)

• Weight: ~1.44 kg

• Hot-Swappable: Yes

• Primary Use: High-end Hot Standby, large programs, harsh industrial sites

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: Supported (FPU on board)

• Tasks:

  • 1 × Cyclic Master Task

  • 1 × Fast Periodic Task

  • 128 × I/O Interrupt Tasks

  • 32 × Timer Interrupt Tasks

  • Enhanced Hot Standby sync task (large data mirror)

3. Memory & Expansion

• Internal RAM: 3072 kB (3 MB)

• PCMCIA Card (1 slot):

  • Program memory: up to 7 MB

  • File storage: up to 8 MB

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

• 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 × Multimode Fiber Ethernet (SC): 100 Mbps, Modbus TCP/IP, 4 km max, HSBY sync

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

• 1 × USB 1.1: Programming & data logging

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

6. Key Features

• 3 MB RAM (largest standard Quantum HSBY CPU)

• Conformal Coated: Harsh/corrosive environments (C suffix)

• Double slot: Higher power, better cooling for large programs

• FPU included: Floating-point for complex process control

• High-density HSBY: Faster sync, larger data mirroring

7. Electrical

• Backplane Current: 2.76 A @ 5.1 VDC

• Power Consumption: ~14 W

8. Environmental (Coated Enhanced)

• Operating Temp: 0 °C to +60 °C

• Storage Temp: −40 °C to +85 °C

• Humidity: 5–95% RH, non-condensing

• Altitude: 5,000 m

• Coating Protection: Dust, moisture, corrosive gases

9. Certifications

10. Model Differences (Quantum HSBY)

• 140CPU67260C: 3 MB RAM, 266 MHz, FPU, multimode fiber, coated, 2-slot

• 140CPU67260: 3 MB RAM, 266 MHz, FPU, multimode fiber, standard, 2-slot

• 140CPU67160S: 1 MB RAM, 266 MHz, FPU, multimode fiber, LCD/keypad red, 2-slot

• 140CPU67060C: 512 kB RAM, 266 MHz, FPU, multimode fiber, coated, 1-slot