What CPU and memory does this module use?
It uses an 80186-class processor at 20 MHz with 368 kB internal RAM
1 actual photo shown first. Reference images are model-matched and must be confirmed before purchase.
Schneider Electric
140CPU11303
Quantum CPU module, 20 MHz, 368 kB RAM, Modbus Plus/RS232
Schneider Electric
From $3,389.85In stockDiscontinued
Product Description
This processor module is designed for Modicon Quantum systems and provides deterministic control for local, remote, and distributed I/O. It is built around an 80186-class CPU running at 20 MHz with 368 kB of internal RAM for application and data handling. Typical cycle execution for LL984 logic ranges from 0.3 to 1.4 ms per thousand instructions, supported by a 250 ms watchdog for fault recovery. Communication includes one Modbus Plus channel and Modbus RS232 capability, enabling integration with existing plant networks and Quantum expansion modules. The unit operates from a 24 VDC supply and meets CE marking requirements. Environmental ratings cover 0 to 60 °C operation, with clock drift specified at ±8 s/day across the temperature range. A lithium backup battery supports retention with 1.2 Ah capacity and a nominal 10-year life. Bus current requirement is 790 mA. The module format is standard Quantum backplane. This product is typically paired with Concept software for programming. It is suitable for applications requiring reliable scan performance and robust networked I/O in distributed architectures.
Key Features
- •80186 processor at 20 MHz
Buy Options
Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.
ConditionPriceAvailabilityLead time
New
Price: $4,426.61
Availability: 19 in stock
Lead time: Ships from stock
Never Used
Price: $3,844.16
Availability: 1 in stock
Lead time: Ships from stock
Used
Price: $3,389.85
Availability: 63 in stock
Lead time: Ships from stock
Specifications
- Model
- 140CPU11303
- Processor
- Intel 80186 class
- Clock frequency
- 20 MHz
- Internal RAM
- 368 kB
- Execution time
- 0.3 to 1.4 ms per 1k LL984 instructions
- Watchdog timer
- 250 ms
- Communication ports
- 1 Modbus Plus, Modbus RS232 capability
- I/O capacity (network)
- 500 in / 500 out distributed, 63 drops
- I/O capacity (remote)
- 64 in / 64 out, 31 drops
- Battery
- Lithium, 1.2 Ah, ~10 year life
- Bus current requirement
- 790 mA
- Power supply
- 24 VDC, 20–30 VDC input range
- Operating temperature
- 0 to 60 °C
- Clock drift
- ±8 s/day at 0–60 °C
- Weight
- ~2.0 lb (0.91 kg) reported
- Marking
- CE
- Software
- Concept
- Mathematical coprocessor
- Not included
- Module format
- Standard Quantum backplane
- GTIN-13 (EAN)
- 3595861126688
- Part #
- 140CPU11303
- Category
- PLCs/Machine Control
- Subcategory
- PLC Module/Rack
- Weight
- 0.99 lbs
Before we quote this part
Actual photos when available
Nameplate, condition, and visible wear can be shared before quote when stock photos are not enough.
Test notes for used units
Power-on or function test status is stated when available, with clear condition grading.
Trackable global shipping
DHL, FedEx, UPS, or forwarder options can be quoted with packing photos and tracking details.
Clear DOA boundary
For tested units, quote terms can include 7-day DOA support unless otherwise stated.
Independent sourcing disclaimer
We are not an authorized distributor, reseller, or representative of Siemens, Mitsubishi, Omron, or other manufacturers listed on this site. All product names, trademarks, brands, and logos are the property of their respective owners. Products may be used, refurbished, surplus, or sourced from the secondary market unless otherwise stated.
Need 140CPU11303 availability?
Prices and stock can change. Submit quantity, required condition, and destination for a current quote.
FAQ
Which communication interfaces are available?
One Modbus Plus and Modbus RS232 capability for network integration
What are the operating temperature limits?
0 to 60 °C with specified clock drift ±8 s/day
Does it include a math coprocessor?
No, a mathematical coprocessor is not included
What is the power and current requirement?
24 VDC input (20–30 VDC range) with approximately 790 mA bus current