1. General

Manufacturer: Schneider Electric

Model: 140CPU67160C (Unity Hot Standby)

Series: Modicon Quantum (DCS/High-End PLC)

Status: Discontinued (obsolete)

Application: Critical process control, hot standby redundancy

2. Processor & Performance

CPU: 32-bit PowerPC 603e, 266 MHz

FPU: No arithmetic coprocessor施耐德电气

Logic speed: 10.28 Kinst/ms (≈0.097 μs/boolean)

Scan time: Typically ≤0.1 ms/Kinst

3. Memory

User program: 4 MB RAM (battery-backed)

Flash: 2 MB (firmware/backup)

Data memory: 4 MB (RAM)

Retention: ≥10 years (battery-backed)

4. Communication Ports

Ethernet: 1 × multimode fiber (100 Mbps, Modbus TCP/IP)

Modbus Plus: 1 × DB9 (peer-to-peer, 1 Mbps)

Modbus RTU: 2 × DB9 (RS-232/485, master/slave)

USB: 1 × front USB (programming/maintenance)

5. I/O Capacity

Local I/O: Max 26 slots (2 local racks)

Distributed I/O: Up to 63 stations (3 networks)

Remote I/O: Up to 6 drops (Ethernet X80)

Discrete I/O: 8,000 In / 8,000 Out (distributed)

Analog I/O: 500 In / 500 Out (distributed)

6. Electrical

Power: 5 VDC via Quantum backplane

Backplane current: 1,200 mA (5 VDC)

Power consumption: ~6 W

7. Environmental & Mechanical

Operating temp: 0 °C to +60 °C

Storage temp: -40 °C to +85 °C

Humidity: 5–95% (non-condensing)

Protection: IP20 (panel mount)

Dimensions: 165 × 110 × 40 mm

Weight: 1.42 kg

Certifications: CE, UL, CSA, ATEX, RoHS

8. Key Features

Unity Hot Standby: Redundant CPU, real-time data sync via fiber

LCD display: Onboard diagnostics/control

Battery-backed RAM: Front-access battery (hot-swap)

Software: Unity Pro XLS (IEC 61131-3)