140CPU11303 Schneider Modicon Quantum Datasheet & Technical Manual

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Schneider 140CPU11303 Modicon Quantum Central Processing Unit The Schneider 140CPU11303, also cataloged as the 140CPU11303 Central Processing Unit, operates as...

SKU: 140CPU11303

Manufacturer: Schneider
Product No.: 140CPU11303
Product Type: Schneider Modicon Quantum
Product Origin: France
Payment:T/T, Western Union
Weight: 910g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Schneider 140CPU11303 Modicon Quantum Central Processing Unit

The Schneider 140CPU11303, also cataloged as the 140CPU11303 Central Processing Unit, operates as a dedicated hardware component for user program execution and centralized logic management within Modicon Quantum automation platform architectures. The hardware utilizes an internal 80186 processor block operating at a 20 MHz clock frequency to calculate binary interlocks, floating-point math variables, and diagnostic state bits. It coordinates data transfers directly across local or distributed expansion backplanes through integrated communication networks.

Hardware Specifications

Parameter	Specification
Model	140CPU11303
Brand	Schneider Electric
Origin	France
Weight	0.91 kg (2.00 lbs)
Dimensions	398 mm x 41 mm x 152 mm
Operating Temp	0 to 60 deg C
Storage Temp	-40 to 85 deg C
Core Processor Type	80186 platform
Clock Frequency	20 MHz
Internal RAM Total	368 kB (64 kB application RAM / 256 kB variables and data)
Flash Memory	Integrated for firmware and program retention
Battery Backup	Lithium battery for memory retention
Embedded Communication	2 x Modbus RS232 ports, 1 x Modbus Plus port
Program Execution Speed	Approx. 1 ms per 1K ladder logic instructions
Current Consumption	250 mA maximum from backplane
Protection Class	IP20

Deterministic Network and Backplane Bus Communications

The Schneider 140CPU11303 controls the local rack distribution matrix via dedicated internal logic boundaries aligned to native backplane bus communication velocity licenses. The embedded 80186 core cycles through register memory spaces to maintain synchronous timing metrics over local slots and external drops linked via the S908 coaxial bus network.

When bridging data packets to Profinet / EtherNet/IP deterministic networks through separate network coprocessor modules, the integrated Modbus and Modbus Plus ports manage concurrent supervisory traffic independently. This architectural division prevents network collisions from stalling core execution cycles, ensuring that I/O density scaling profiles remain stable during large-scale word mapping updates across remote chassis segments.

Frequently Asked Questions

Q: What action occurs if the lithium backup battery voltage falls below the minimum processing threshold?

A: The processor activates a localized low-battery status bit and illuminates the front-panel indicator. If primary backplane power is lost while this condition persists, user application programs and volatile variable structures stored inside the volatile internal RAM will be erased.

Q: Can the 140CPU11303 execute user applications written for newer Unity Pro platforms?

A: No. This hardware generation relies on Concept or ProWORX programming software environments optimized for the 80186 processor instruction set. It does not support direct binary execution of compiled Unity Pro or EcoStruxure Control Expert code structures.

Q: What is the restriction on mounting position for this processor inside a Quantum rack?

A: The 140CPU11303 must reside inside slot 1 or slot 2 of the primary local backplane structure, directly adjacent to the main system power supply module to ensure stable power delivery and proper bus address identification.

Field Installation Guidelines

Remove all primary AC or DC power inputs feeding the destination chassis before placing or extracting the processor module.
Align the CPU card housing into the chassis guide rails and push until the rear connector blocks sit entirely into the passive backplane sockets.
Secure the top and bottom mechanical locking screws into the rack panel to verify continuous earth ground bonding with the chassis structure.
Route all Modbus RS232 and Modbus Plus communication patch cables through dedicated wire ways isolated from primary motor lines by a minimum of 30 cm.
Verify the lithium memory battery is fully uninsulated and engaged in its terminal holder prior to initializing the initial system boot sequence.

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