Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Product Introduction
When your Schneider Modicon Quantum PLC critical control system needs ultra-reliable redundant control performance to avoid unplanned downtime caused by single-point CPU failure, this module acts as the core hot standby control hub.
It is a flagship hot standby redundant CPU processor for Schneider’s classic Modicon Quantum PLC platform, with a 266MHz high-speed processing core and 1MB built-in memory, supporting up to 31 remote I/O stations, 31744 discrete I/O points and 1984 analog I/O points. It integrates multiple communication interfaces including Ethernet, Modbus Plus, Modbus RTU and multimode fiber, and the master-slave CPU can achieve seamless non-disturbing switchover through the 4km-distance multimode fiber interconnection. Its industrial-grade reinforced design ensures long-term stable operation in harsh industrial site environments, making it a core replacement part for Schneider Modicon Quantum redundant control system maintenance and retrofit projects.
140CPU67160
140CPU67160
140CPU67160
140CPU67160
140CPU67160
140CPU67160
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 140CPU67160 |
| Product Type | Modicon Quantum Unity Hot Standby PLC CPU |
| Manufacturer | Schneider Electric |
| Main Frequency | 266 MHz |
| Built-in Memory | 1024 KB (1 MB) |
| Power Supply | 24 V DC industrial standard |
| Max Remote I/O Stations | 31 |
| Max Discrete I/O Points | 31744 inputs + 31744 outputs (remote) |
| Max Analog I/O Points | 1984 inputs + 1984 outputs (remote) |
| Communication Interfaces | 1×Ethernet RJ45, 1×Modbus RJ45, 1×Modbus Plus SUB-D 9, 1×multimode fiber MT-RJ |
| Master-Slave Interconnection Distance | Up to 4 km via multimode fiber |
| Supported Software | Unity Pro XL programming platform |
| Data Backup Mode | 990XCP98000 lithium battery backup |
| Operating Temperature Range | 0°C ~ +60°C |
| Installation Method | Standard Modicon Quantum PLC rack slot mounting |
| Net Weight | ~0.8 kg |
| Warranty | 12 months (new surplus unit) |
Field Application & Technical Pitfalls
Critical Industrial Scenarios
- **Large Petrochemical Plant DCS Redundant Control System: Acts as the core hot standby CPU unit for Schneider Modicon Quantum PLC systems in petrochemical production plants, ensuring the continuous and reliable operation of the entire production process control system through seamless master-slave switchover.
- **Thermal Power Plant Auxiliary Equipment Automation Control: Delivers reliable redundant control performance for thermal power plant auxiliary equipment PLC control systems, adapting to high-electromagnetic-interference power plant environments, meeting the 24/7 continuous operation requirements of power production.
- **Metallurgical Rolling Mill Main Drive Control System: Adapts to high-vibration and high-temperature metallurgical workshop environments, providing zero-downtime redundant control support for the core control system of the rolling mill production line.
Non-Negotiable Technical Pitfalls
- ⚠️ Bold Warning 1: Never arbitrarily use non-matching ordinary CPU modules to form a hot standby system. The third redundant synchronization channel will experience parameter mismatch that causes the master-slave switchover to fail.
- ⚠️ Bold Warning 2: Skipping the pre-commissioning full master-slave switchover test will leave you with hidden redundant failure risks. This unit must confirm the seamless non-disturbing switchover function fully meets factory specifications before putting into operation.
- ⚠️ Bold Warning 3: Do not arbitrarily modify the hot standby synchronization parameters during system operation. Unreasonable parameter settings will cause the two CPUs to compete for control, resulting in the entire control system out of order.
A large petrochemical plant maintenance team once swapped a 140CPU67160 CPU and skipped the master-slave switchover test. The hidden synchronization parameter mismatch caused the system to fail to switch to the standby CPU when the main CPU failed, resulting in a 2-hour partial production control system outage.
Quality Control (QC) SOP & Transparency
- Inbound Verification: Cross-check the OEM serial number against Schneider’s official Modicon Quantum part registry, confirm the part number 140CPU67160 matches the factory label, and inspect no bent pins or corrosion on all communication and backplane connectors.
- Live Rig Testing: Power the unit in a calibrated Schneider Modicon Quantum PLC test rack, apply 24V DC power, and confirm full 2-hour continuous stable program operation.
- Parameter Testing: Verify all communication interfaces operate correctly, confirm hot standby master-slave seamless switchover function meets factory specifications, and validate all status LED indicators function properly.
- Final QA & Packaging: Seal the tested CPU in a static-shielding anti-static bag, attach a unique QC passed serial label, and nest it in foam padding inside a rigid industrial shipping carton.
Frequently Asked Questions (FAQ)
- Can I hot-swap this CPU while the PLC system is running? No. You must first confirm that the standby CPU is operating normally and has completed full program synchronization, then perform the replacement operation, otherwise you will trigger unexpected control system outage risks.
- What exact systems is this CPU compatible with? It works natively with Schneider Modicon Quantum series PLC systems, and is specially designed for Unity Pro XL programming platform hot standby redundant control scenarios.
- How long is the standard warranty for this new surplus unit? 12 months from delivery. It covers all manufacturing defects, but does not extend to units damaged by miswiring, improper hot standby parameter configuration, or overvoltage in the field.
- How do I tell a genuine OEM unit apart from a refurbished clone? Genuine Schneider 140CPU67160 CPUs have a laser-etched part number on the PCB, not a printed sticker. Clone units almost always fail the full hot standby master-slave seamless switchover performance test.
- What is the typical lead time for shipment? In-stock units ship within 48 hours. If you require official Schneider factory performance test documentation, add 2 extra business days to the turnaround window.
- Can this CPU replace the older Modicon Quantum legacy CPU unit? Well, technically it fits the same standard PLC rack slot footprint, but you must confirm the Unity Pro project version fully matches the target system before replacement to ensure 100% system compatibility.
