140CPU21304C
140CPU21304C
General Information
Manufacturer: Schneider Electric
Part Number: 140CPU21304C
Series: Modicon Quantum PLC
Type: High-performance CPU with math coprocessor
Coating: Conformal Coated
Programming Software: Concept, ProWORX 32
Core Specifications
Processor: 80186, 20MHz
Built-in Math Coprocessor: Yes
Total Memory: 768KB
Instruction Execution Speed: 0.3~1.4ms per 1K LL984 instructions
Hardware Watchdog Timer: 250ms
Real-time Clock Accuracy: ±8 seconds per day
Memory Backup Battery Lifespan: 10 years
I/O Configuration
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 Interfaces
1 x Modbus RS232 Port
1 x Modbus Plus (MB+) Network Port
On-board Ethernet: Not available
Description
140CPU21304C
General Information
Manufacturer: Schneider ElectricPart Number: 140CPU21304CSeries: Modicon Quantum PLCType: High-performance CPU with math coprocessorCoating: Conformal CoatedProgramming Software: Concept, ProWORX 32
Core Specifications
Processor: 80186, 20MHzBuilt-in Math Coprocessor: YesTotal Memory: 768KBInstruction Execution Speed: 0.3~1.4ms per 1K LL984 instructionsHardware Watchdog Timer: 250msReal-time Clock Accuracy: ±8 seconds per dayMemory Backup Battery Lifespan: 10 years
I/O Configuration
Max Local I/O: 64 Inputs / 64 OutputsMax Total Network I/O: 500 Inputs / 500 OutputsMax Distributed Drops: 63Max Remote Drops: 31
Communication Interfaces
1 x Modbus RS232 Port1 x Modbus Plus (MB+) Network PortOn-board Ethernet: Not available
Electrical Parameters
Backplane Current Consumption: 780mA @ 5.1VDC
Environmental Ratings
Operating Temperature: 0°C ~ +60°CStorage Temperature: -40°C ~ +85°CRelative Humidity: 95% RH, non-condensingMax Working Altitude: 5000 meters
Mechanical Features
Occupied Rack Slot: 1 slotHot-swap Supported: YesNet Weight: 0.45kg
Main Features
Equipped with hardware floating-point coprocessor, ideal for PID control and complex algorithm operation
Large 768KB memory for ample program and data storage
Standard dual communication ports for convenient host connection and PLC interconnection
Conformal coated design, suitable for dusty, humid and harsh industrial environments
Supports independent operation, does not support redundant hot standby system
Certifications
CE, UL508, CSA C22.2 No.142, FM Class1 Div2, RoHS Compliant
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