Schneider 140CPU21304 Conformal Coated CPU
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Vendor:
Schneider
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Type:
CPU Module
- Tags Cpu module
About the Product
Schneider Electric 140CPU21304 CPU Module
The Schneider Electric 140CPU21304 is a rugged CPU module for the Modicon Quantum series. It is designed for reliable operation in demanding industrial environments. This processor offers fast execution and flexible connectivity for complex automation tasks.
Technical Specifications
- Brand: Schneider Electric
- Model: 140CPU21304
- Product Line: Modicon Quantum
- Type: CPU Module
- Environmental Protection: Conformal Coated for Harsh Environments
- Mounting: Rack-mounted
- RAM: 768 KB
- Program Memory: 16 KB
Performance & Processing
- Execution Time (Boolean): Approximately 0.3 µs
- Math Instructions: Supported for complex calculations
- Battery-backed RAM: Yes, for data retention during power loss
- Watchdog Function: Integrated for system integrity monitoring
- Fast processing speed enables responsive control applications
Communication & I/O Support
- Modbus Port: 1 x RS232 for serial device connectivity
- Modbus Plus Port: 1 x MB+ for high-speed network communication
- I/O Support: Comprehensive Local and Remote I/O configuration
- Dual-port design allows flexible network architecture and device integration
Status Indication & Monitoring
- Status LEDs: RUN, ERR, I/O, COMM for instant visual diagnostics
- The RUN LED shows the processor's operational state
- The ERR LED indicates a detected fault or error condition
- I/O and COMM LEDs provide communication and data exchange status
Environmental Specifications
- Operating Temperature: 0°C to 60°C
- Conformal coating protects against moisture, dust, and chemical contaminants
- Designed for stable performance in challenging factory floor conditions
Installation Guide
- Install the module securely in a Modicon Quantum rack or chassis.
- Connect the battery to maintain memory during power interruptions.
- Utilize the RS232 port for initial programming and the MB+ port for network integration.
- Monitor the status LEDs during startup and operation for immediate feedback.
Packaging & Shipping
- Package Includes: One 140CPU21304 CPU module.
- All necessary mounting hardware and documentation are included.
- We ship globally via FedEx, UPS, and DHL with full tracking.
Frequently Asked Questions
- What is conformal coating? A protective layer on the 140CPU21304's circuit board that shields it from harsh conditions like humidity and dust.
- How fast is this CPU? It executes basic Boolean logic instructions in about 0.3 microseconds.
- What communication ports does it have? It has one standard RS232 Modbus port and one Modbus Plus (MB+) network port.
- Can it handle remote I/O? Yes, it is designed to support both locally racked I/O modules and remote I/O drops over a network.
Quick Quotes & Info
- Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
- Delivery: Expedited, freight, and international shipping available worldwide.
- Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
- Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
- Payment: Flexible options including major credit cards, PayPal, and bank transfers.
- Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.

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