140CPU21304
May 16, 2026

140CPU21304

Brand: Schneider Electric Model: 140CPU21304 Series: Modicon Quantum PLC Type: Standard CPU with math coprocessor Coating: Non-conformal coated Programming software: Concept, ProWORX 32

Description

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General

Brand: Schneider Electric
Model: 140CPU21304
Series: Modicon Quantum PLC
Type: Standard CPU with math coprocessor
Coating: Non-conformal coated
Programming software: Concept, ProWORX 32

Core Performance

CPU core: 80186, 20MHz
Built-in math coprocessor: Yes
Total memory: 768KB
Logic instruction speed: 0.3~1.4ms / 1K LL984 instructions
Hardware watchdog: 250ms
Real-time clock accuracy: ±8 seconds/day
Memory backup battery: 10 years service life

I/O Capacity

Max local I/O: 64 inputs / 64 outputs
Max total network I/O: 500 inputs / 500 outputs
Max distributed drops: 63
Max remote drops: 31

Communication Interface

1 channel Modbus RS232 serial port
1 channel Modbus Plus (MB+) peer-to-peer network
No onboard Ethernet port

Electrical Parameters

Backplane operating current: 780mA @5.1VDC

Environmental Conditions

Operating temperature: 0℃ ~ +60℃
Storage temperature: -40℃ ~ +85℃
Relative humidity: 95%RH non-condensing
Max working altitude: 5000m

Mechanical

Occupied slot: 1 slot
Support hot swap: Yes
Weight: 0.45kg

Main Features

  1. Equipped with hardware floating-point operation coprocessor, suitable for PID, formula operation and complex algorithm control

  2. Large 768KB memory, support larger user program and data storage

  3. Standard dual communication ports, easy for upper computer connection and PLC interconnection

  4. Industrial wide temperature design, stable operation in conventional industrial sites

  5. Independent single-point operation, not support redundant hot standby

Certification

CE, UL508, CSA C22.2 No.142, FM Class1 Div2, RoHS compliant


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