
The Schneider Electric 140CPU53414B is a high-performance processor module for the Modicon Quantum automation platform. This CPU module is based on an Intel 80486 microprocessor running at 100 MHz clock frequency and includes a mathematical coprocessor for advanced computational tasks. With 2972 kB of internal RAM and 1435 kB of Flash EPROM memory, it provides substantial capacity for complex control programs and data handling. The processor supports Concept and ProWORX 32 programming software and can be upgraded to work with Unity Pro. It features three Modbus RS232 serial ports and one Modbus Plus port for flexible network connectivity. The module is designed for demanding industrial automation applications requiring robust processing power, extensive I/O management including up to 63 distributed drops and 31 remote drops, and reliable operation in harsh environments. Program scan time ranges from 0.1 to 0.5 milliseconds per K-instruction, ensuring rapid execution of control logic.
Item Details
- Brand Name: Schneider Electric
- Manufacturer: Schneider Electric
- Item Type Name: PLC Processor Module
- Product Family / Series: Modicon Quantum
- Part Number: 140CPU53414B
- Processor Type: Intel 80486 with mathematical coprocessor
Product Specifications
- clock_frequency: 100 MHz
- internal_ram: 2972 kB
- flash_eprom_memory: 1435 kB
- program_scan_time: 0.1 to 0.5 ms per K-instruction
- watchdog_timer: 250 ms
- clock_drift: ±8 s/day at 0 to 60 °C
- modbus_rs232_ports: 3
- modbus_plus_ports: 1
- bus_current: 1250 mA
- operating_voltage: 24 V DC
- distributed_drops: Up to 63
- remote_drops: Up to 31
- battery_type: Lithium 1.2 Ah
- battery_current_standby: 10 µA
- battery_current_max: 420 µA
- battery_life: 10 years
Additional Details
- Lifecycle Status: Discontinued by manufacturer
- Certifications / Approvals: CE
- Programming Software: Concept, ProWORX 32, Unity Pro (with exec upgrade)
- Esd Protection: 4 kV contact, 8 kV air (IEC 801-2)
- Emi Immunity: 10 V/m at 80-2000 MHz (IEC 801-3)
Measurements
- Weight: 0.85 kg
- Operating Temperature: 0 to 60 °C
- Storage Temperature: -40 to 85 °C
- Humidity: 95% non-condensing
All PLC Direct products come with a 1-year warranty. The warranty is issued by PLC Direct. Warranty coverage commences at the date of purchase. The warranty is for mechanical defects or failures not caused by human factors including but not limited to (a) incorrect installation, (b) operating the unit in sub-optimal conditions or in scenarios not recommended by the manufacturer, (c) poor unit maintenance, etc. The warranty does not cover programming or software related issues.
If the product is eligible for PLC Direct’s warranty coverage and the customer encounters an issue with the product, we will request the item is shipped to us for diagnosis and examination. Regardless of the cause of product issues, the customer will bear responsibility for the cost of shipping the unit to PLC Direct for evaluation. Where the unit was damaged by human factors, we will offer a repair or replace quote; in cases where damage was caused by human factors, the customer is responsible for the cost of shipping the repaired/replaced unit from PLC Direct to the customer. Where the unit was not damaged by human factors but is covered by PLC Direct’s warranty, we will repair or replace the unit at our cost (or, in rare cases, refund you your purchase); in such cases, PLC Direct will bear the cost of shipping the repaired or replaced product back to the customer. It is up to PLC Direct’s discretion whether to repair, replace, or refund the customer in such cases. Diagnoses can take time to complete based on technician availability and the complexity of diagnosis.
In no event shall PLC Direct be liable for any damages except actual damages up to, but not exceeding, the amount paid to us for the product, including we shall not be liable for any consequential or indirect damages or lost profits whether or not advised of same.
PLC Direct offers free shipping worldwide. Product ship from a various warehouses worldwide based on the customer's and the product's location. The estimated delivery date on the product page is PLC Direct's best estimated assuming a US-based shipping destination.
Regardless of where the product is shipping from, PLC Direct covers all duties for US-based shipping destinations. For non-US-based shipping destinations, customers are responsible for duties as appropriate.
PLC Direct's focus is on balancing price with lead time. Some but not all products can be expedited. If you have questions about delivery ETAs, please contact our team.

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