140CPU65150C

General Information

• Manufacturer: Schneider Electric

• Part Number: 140CPU65150C

• Series: Modicon Quantum (Unity-compatible)

• Processor: 32‑bit RISC, 166 MHz, no math coprocessor

• Memory: 512 KB internal RAM (vs 768 KB on 140CPU65150)

• Coating: Conformal coated (the “C” = coated)

• Software: Unity Pro only

• Slots: 2 slots (double‑wide)

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

Core Specifications

• Internal RAM: 512 KB

• PCMCIA expansion: up to 7 MB program / 8 MB file

• Boolean speed: ~10.2 Kinst/ms (slightly lower than 65150)

• Tasks: 1 cyclic, 1 fast periodic, 128 I/O interrupt, 32 timer interrupt

• Watchdog: 250 ms

• RTC & battery: Yes (3 V lithium, 10 years)

I/O Capacity

• Distributed I/O: 8,000 In / 8,000 Out per MB+ network

• Remote I/O: 31,744 In / 31,744 Out

• Distributed stations: 63 (3 MB+ networks)

• Remote stations: 31 (2 racks)

• Local racks: 2 max

Communication Interfaces

• 1 × Modbus Plus (MB+)

• 1 × 10/100 Mbps Ethernet TCP/IP

• 1 × Modbus RTU (RS232/485)

• 1 × USB (programming)

• 6 expansion slots (Ethernet, Profibus DP, etc.)

Electrical

• Backplane current: 2.16 A @ 5.1 VDC

• Power consumption: ~11 W

Environmental

• Operating temp: 0 °C ~ +60 °C

• Storage temp: −40 °C ~ +85 °C

• Humidity: 5–95% RH, non‑condensing

• Altitude: up to 5,000 m

• Conformal coated (moisture/dust/corrosion resistance)

Mechanical

• Hot‑swappable: Yes

• Weight: ~1.43 kg

Key Differences vs 140CPU65150

1. RAM: 512 KB (65150: 768 KB)

2. FPU: No floating‑point unit (65150: has FPU)

3. Coating: Conformal coated (65150: non‑coated)

4. Performance: Slightly lower instruction speed; no native floating‑point

Certifications