PRODUCT INFORMATION
Product Overview
The Schneider Electric 140-CPU-434-12A is a Modicon Quantum processor module. It features an integrated 486 controller operating at a clock frequency of 66 MHz. The unit includes a mathematical coprocessor to manage complex control calculations. It provides 896 KB of internal RAM for application logic and system data storage.
The controller backplane draws 500 mA of bus current with 4.5 W power consumption. Built-in communication ports include one Modbus Plus port and two Modbus RS232 serial interfaces. The module operates in ambient temperatures between 0°C and 60°C. Storage temperature ranges from -40°C to 85°C during transport and warehouse holding.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Processor | 486 Controller |
|---|
| Clock Frequency | 66 MHz |
|---|
| Mathematical Coprocessor | Yes |
|---|
| Internal RAM | 896 KB |
|---|
| Modbus Connections | 1 x Modbus Plus, 2 x Modbus RS232 |
|---|
| Bus Current Requirement | 500 mA |
|---|
| Power Consumption | 4.5 W |
|---|
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
|---|
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
|---|
| Net Weight | 2.00 lbs (0.91 kg) |
|---|
TECHNICAL INFORMATION
Features
- Embedded 486 controller operating at 66 MHz clock speed
- Integrated mathematical coprocessor for numeric operations
- 896 KB internal RAM memory capacity
- Single Modbus Plus network communication interface
- Dual Modbus RS232 serial communication ports
- Bus current requirement of 500 mA with 4.5 W power consumption
TECHNICAL INFORMATION
Connections / Interfaces
- One dedicated Modbus Plus communication port
- Two Modbus RS232 serial interface ports
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
What processor and memory are installed in the 140CPU43412A?
The unit contains a 66 MHz 486 controller with a math coprocessor and 896 KB internal RAM.
What communication interfaces does the 140-CPU-434-12A provide?
It features one Modbus Plus network connection and two Modbus RS232 serial communication ports.
What are the electrical power requirements for this processor module?
The module requires 500 mA of bus current and consumes 4.5 W of power.
What is the reference price for the Schneider Electric 140CPU43412A?
Observed market reference pricing is approximately $1,180 for refurbished units. Indicative market reference only; not a final quotation.
