140CPU11303
Description
Schneider Electric
140CPU11303
Modicon Quantum – Concept Processor Module
1. General Information
Manufacturer: Schneider Electric
Part Number: 140CPU11303
Series: Modicon Quantum PLC
Type: Stand‑alone CPU (Concept / ProWORX 32)
Processor: 80186, 20 MHz, no math coprocessor
Coating: Non‑coated (no “C” suffix)
Difference vs 140CPU11302: 368 kB RAM (vs 109 kB) + 2×RS232 (vs 1×RS232)
2. Memory & Performance
Internal RAM: 368 kB (user + system)
User Logic: ~32 kB LL984
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: Lithium, 10‑year life
3. I/O Capacity
Local I/O: 64 In / 64 Out max
Distributed I/O: 30 In / 32 Out per drop
Network I/O: 500 In / 500 Out total
Distributed Drops: 63 max
Remote Drops: 31 max
4. Communication Ports
2 × Modbus RS232 (serial, separate ports)
1 × Modbus Plus (MB+, peer‑to‑peer network)
On‑board Ethernet: No (add NOE module)
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: 0.45 kg
Mounting: 1 slot Quantum backplane, hot‑swappable
6. Key Features
368 kB large RAM: bigger program/data than 11302 series
Dual RS232: two serial ports for HMI + SCADA simultaneous connection
Modbus Plus: peer‑to‑peer networking with other Quantum/Modicon PLCs
Stand‑alone only: no redundancy (use 140CPU67160 for hot‑standby)
Non‑coated: standard industrial environment (no conformal coating)
Long‑life battery: 10‑year RTC/memory backup
7. Certifications
CE
UL 508
CSA C22.2 No 142
FM Class 1 Div 2
RoHS compliant
8. Ordering Notes
140CPU11303: 80186/20MHz, 368 kB, 2×RS232+MB+, non‑coated
140CPU11302: 109 kB, 1×RS232+MB+
140CPU11302C: 109 kB, 1×RS232+MB+, coated
140CPU11303C: (not a standard part; if coated, usually special order)
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