Schneider Electric 140CPU67260 Modicon Quantum CPU Module | Replacement, Equivalent & Selection Guide
The Schneider Electric 140CPU67260 is a high-performance CPU module from the Modicon Quantum PLC platform, designed for demanding industrial automation and process control applications. This page provides full technical specifications, compatible replacement models, selection guidance, and sourcing information to help engineers and procurement teams make confident decisions.
Technical Specifications
- Part Number: 140CPU67260
- Brand: Schneider Electric (Modicon)
- Series: Modicon Quantum
- Module Type: CPU / Processor Module
- Processor: 486 DX4 / 100 MHz
- Memory: 7 MB RAM (user program + data)
- Communication Ports: Modbus Plus (2×), RS-232 (1×)
- I/O Capacity: Up to 64,000 I/O points
- Programming Software: Concept, Unity Pro (compatibility mode)
- Operating Temperature: 0 °C to 60 °C
- Power Supply: Supplied via Quantum backplane
- Certifications: CE, UL, cUL
- Weight: Approx. 1,180 g
- Housing: DIN-rail / backplane mount (Quantum rack)
Compatible Replacement & Equivalent Models
The following models are commonly evaluated as direct or functional replacements for the 140CPU67260. Always verify firmware, memory, and communication compatibility before substitution:
- 140CPU67160 — Modicon Quantum CPU, lower memory variant; direct form-factor replacement
- 140CPU65150 — Modicon Quantum CPU with Ethernet port; suitable upgrade path
- 140CPU65160 — Enhanced Ethernet CPU; recommended for new designs requiring network connectivity
- 140CPU31110 — Entry-level Quantum CPU; suitable for smaller I/O configurations
- BMXP342020 (Modicon M340) — Next-generation platform; requires migration project
- BMEP582040 (Modicon M580) — Modern Ethernet-native CPU; recommended for greenfield or major upgrades
Note: Cross-platform replacements (M340/M580) require program migration and hardware re-engineering. Contact Konmask for migration support.
Why Choose the Original 140CPU67260
- ✅ Drop-in replacement for existing Quantum rack installations — no backplane changes required
- ✅ Maintains full compatibility with legacy Concept and Unity Pro (compatibility mode) programs
- ✅ Dual Modbus Plus ports support peer-to-peer and distributed I/O topologies
- ✅ Proven reliability in continuous-process industries (oil & gas, power, water treatment)
- ✅ Minimizes downtime risk during maintenance or emergency replacement scenarios
Typical Applications
- Oil & gas upstream/downstream process control
- Power generation and substation automation
- Water and wastewater treatment plants
- Chemical and pharmaceutical batch processing
- Mining and heavy industry conveyor/motor control
- Building management and HVAC central control
System Compatibility
- Rack: Modicon Quantum backplane (140XBP series, 4–16 slots)
- Power Supply: 140CPS series (110/220 VAC or 24 VDC)
- I/O Modules: All 140xxx Quantum I/O modules (digital, analog, specialty)
- Communication: Modbus Plus network, RS-232 programming port
- Software: Schneider Electric Concept 2.6+, Unity Pro XL (compatibility mode)
- Hot Standby: Compatible with 140CPU67260S hot-standby configuration (requires 140CHS series)
Selection Guide
Use the table below to select the right Quantum CPU for your application:
- Existing Quantum system, same I/O count: → 140CPU67260 (direct replacement)
- Existing Quantum, need Ethernet: → 140CPU65160 or 140CPU65150
- Expanding I/O beyond current capacity: → 140CPU65160 + NOE module
- New project, modern platform preferred: → Modicon M580 (BMEP58xxxx series)
- Budget-constrained, smaller system: → 140CPU31110 or 140CPU43412A
- Hot-standby redundancy required: → 140CPU67260S (hot-standby variant)
Not sure which model fits your system? Contact our selection team with your rack configuration and program details.
Quality Assurance & Sourcing
- 🔍 All units inspected for physical integrity, label authenticity, and firmware version prior to shipment
- 📦 Anti-static packaging with humidity indicator cards for safe international transit
- 🏭 Sourced from authorized distributors, OEM surplus, and verified industrial resellers
- 📋 Test reports and traceability documentation available on request
- 🔄 30-day return policy for DOA (Dead on Arrival) units
- 🌍 Export compliance: ECCN classification and export documentation provided where required
How to Order
- Confirm part number: 140CPU67260 (check label on existing module)
- Specify quantity and required delivery timeline
- Request a quote via support@konmask.com or add to cart directly
- Provide shipping address — we ship worldwide via DHL, FedEx, and UPS
- Receive order confirmation with tracking within 24 hours of payment
Replacement & Compatibility FAQ
Q: Can the 140CPU67260 replace the 140CPU67160 directly?
A: Yes. The 140CPU67260 is a higher-memory variant and is a direct drop-in replacement for the 140CPU67160 in the same Quantum rack slot.
Q: Is the 140CPU67260 compatible with Unity Pro?
A: Yes, in compatibility mode. Unity Pro XL supports Quantum CPUs in legacy compatibility mode, allowing program upload/download without full migration.
Q: Can I use this CPU with Modicon M340 or M580 I/O modules?
A: No. The 140CPU67260 is exclusively compatible with Modicon Quantum (140xxx series) I/O and backplane hardware.
Q: What is the difference between 140CPU67260 and 140CPU67260S?
A: The “S” suffix denotes the hot-standby variant, which includes additional hardware for redundant CPU configurations. The standard 140CPU67260 is a single CPU module.
Q: Do you provide a warranty?
A: Yes. All units carry a minimum 90-day functional warranty. Extended warranty options are available — contact us for details.
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