
The Schneider Electric 140CPU11303 is a Concept processor module designed for the Modicon Quantum automation platform. Built around the Intel 80186 processor with a 20 MHz clock frequency, this CPU module provides reliable control and processing capabilities for industrial automation systems. It features 368 kB of internal RAM and supports ladder logic programming up to 16K words. The module includes comprehensive communication options with 1 Modbus Plus port and 2 Modbus RS232 ports for network integration and serial communication. With a 250 ms watchdog timer and lithium battery backup providing up to 10 years of service life, the 140CPU11303 ensures continuous operation and data retention. The unit supports extensive I/O configurations including up to 64 local and 64 remote I/O points, making it suitable for complex automation applications in manufacturing, process control, and industrial systems.
Item Details
- Brand Name: Schneider Electric
- Manufacturer: Schneider Electric
- Item Type Name: PLC CPU Module
- Product Family / Series: Modicon Quantum
- Part Number: 140CPU11303
- Processor Type: Concept Processor 80186
- Software Compatibility: ProWORX 32, Concept
Product Specifications
- processor: Intel 80186
- clock_frequency: 20 MHz
- internal_ram: 368 kB
- sram_size: 512 kB
- max_iec_program: 368 kB
- ladder_logic_capacity: 16K words
- watchdog_timer: 250 ms
- execution_time_per_1k_instruction: 0.3-1.4 ms LL984
- clock_drift: +/-8 s/day (0-60°C)
- power_dissipation: 3.95 W
- bus_current_required: 790 mA
- power_supply: 24 V DC
- input_voltage_range: 20-30 V DC
- current_consumption: 250 mA
- discrete_io_capacity: 8192
- available_registers: 9999 words
- local_io_max: 64 inputs / 64 outputs
- remote_io_max: 64 inputs / 64 outputs
- distributed_io_words: 30 inputs / 32 outputs
- distributed_io_network: 500 inputs / 500 outputs
- network_drops: 63 distributed, 31 remote
- communication_ports: 1 Modbus Plus, 2 Modbus RS232
- battery_type: Lithium
- battery_capacity: 1.2 Ah
- battery_life: 10 years
- operating_temperature: 0 to 60°C
- storage_temperature: -40 to 85°C
- relative_humidity: Up to 95% (non-condensing)
- maximum_installation_altitude: 5000 m above sea level
Additional Details
- Country of Origin*: France
- Lifecycle Status: Discontinued by manufacturer
- Certifications / Approvals: CE marked, EU RoHS compliant
- Replacement Model: BMEP581020
- Mathematical Coprocessor: Without
*Country of origin may vary.
Measurements
- Weight: 0.45 kg
- Dimensions: 150 mm x 35 mm x 52 mm
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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