Schneider Electric

140CPU11302C

Modicon Quantum – Concept Processor Module

1. General Information

• Manufacturer: Schneider Electric

• Part Number: 140CPU11302C

• Series: Modicon Quantum PLC

• Type: Stand‑alone CPU (Concept)

• Processor: 80186 (20 MHz), no math coprocessor

• Programming Software: Concept / ProWORX 32

• Coating: Conformal coated (Humiseal 1A33) – harsh environment version

• Difference vs 140CPU11302: Same electrical/performance, C = coated

2. Memory & Performance

• Internal RAM: 109 kB

• User Logic: 8 kB

• Execution Speed: 0.3–1.4 ms / 1K LL984 instructions

• Watchdog Timer: 250 ms (hardware)

• Real‑Time Clock: ±8 s/day @ 0–60°C

• Backup Battery: 1.2 Ah lithium, 10‑year life

3. I/O Capacity

• Local I/O: 64 In / 64 Out max

• Distributed I/O: 30 In / 32 Out per module

• Network I/O: 500 In / 500 Out total

• Distributed Drops: 63 max

• Remote Drops: 31 max

• Networks: 3 distributed + 2 remote

4. Communication Ports

• 1 × Modbus RS232 (serial)

• 1 × Modbus Plus (peer‑to‑peer network)

• No Ethernet on‑board (add NOE module for Ethernet)

5. Electrical & Mechanical

• Backplane Current: 780 mA (5.1 VDC)

• Operating Temperature: 0 °C to +60 °C

• Storage Temperature: −40 °C to +85 °C

• Humidity: 95% RH max, non‑condensing

• Altitude: Up to 5,000 m

• Dimensions: 103.9 × 40.3 × 250 mm

• Weight: 0.3 kg

• Mounting: 1 slot Quantum backplane, hot‑swappable

6. Key Features

1. Conformal coated (C suffix): dust/moisture/chemical resistance

2. 109 kB RAM + 8 kB logic: standard mid‑range Quantum CPU

3. Dual comm: Modbus RS232 + Modbus Plus

4. Large I/O support: up to 500/500 network I/O

5. Long‑life battery: 10‑year backup, low maintenance

6. Industrial temp range: 0–60°C, 5,000 m altitude

7. Certifications

• CE

• UL 508

• CSA C22.2 No 142

• FM Class 1 Div 2

• RoHS compliant

8. Ordering Notes

• 140CPU11302C: 80186, 109 kB, RS232+MB+, coated

• 140CPU11302: same, non‑coated

• No redundancy: this model is stand‑alone only (use 140CPU67160 for hot‑standby)