• SCHNEIDER ELECTRIC
• MODICON
• 140-CPU-534-14B
• 140CPU53414B
• DISCONTINUED BY MANUFACTURER
• QUANTUM 534B PLC CONTROLLER
• 80486 MODICON QUANTUM
• WITH MATHEMATICAL COPROCESSOR
• One Year Warranty

• Clock frequency: 100 MHz
• Memory details: Internal RAM of 2972 kB
• Precise execution time for 1 K instruction: 0.1...0.5 ms (LL984)
• Watchdog timer: 250 ms
• Clock drift: +/-8 seconds per day at 32…140 °F (0…60 °C)
• I/O words: 30 inputs / 32 outputs (distributed), Maximum 64 inputs / 64 outputs (local), 64 inputs / 64 outputs (remote)
• I/O words per network: 500 inputs / 500 outputs (distributed)
• Drops per network: 63 (distributed)
• Number of drops: 31 (remote)
• Number of networks: 2 (remote); 3 (distributed)
• Battery type: Lithium (10 µA, 420 µA)
• Battery capacity: 1.2 Ah
• Battery lifespan: 10 years
• Switch function: Key switch
• Certification marking: CE
• Bus current requirement: 1250 mA
• Module format: Standard
• Net weight: 1.87 lb (US) (0.85 kg)

• Product certifications: FM Class 1 Division 2; cUL
• Standards compliance: CSA C22.2 No. 142; UL 508
• Electrostatic discharge resistance: 4 kV (contact, IEC 801-2); 8 kV (air, IEC 801-2)
• Electromagnetic field resistance: 9.1 V/m (10 V/m) at 80…2000 MHz (IEC 801-3)
• Operating ambient air temperature: 32…140 °F (0…60 °C)
• Storage ambient air temperature: -40…185 °F (-40…85 °C)
• Relative humidity: 95% (non-condensing)
• Operating altitude: ≤ 16404.2 ft (5000 m)

Quantum PLC module uses modern large-scale integrated circuit technology, manufactured through strict production processes. The internal circuit incorporates advanced anti-interference technology, resulting in exceptionally high reliability. The Quantum PLC features hardware fault self-detection, providing timely alarm notifications for failures.

Programming in the Concept environment allows for peripheral component fault self-diagnosis, extending protection beyond just the PLC circuit to the entire system. All modules support hot-swapping without system downtime, reducing maintenance workload. LED status indicators provide visual feedback for CPU and I/O template channel status, facilitating quick maintenance.

The Quantum PLC system offers complete functionality with comprehensive support facilities. Critical systems implement dual-machine hot backup, redundant power supplies, redundant remote I/O, and dual Ethernet connections to ensure continuous safe operation. The advanced hot-backup system features simple configuration and operation, with primary and secondary modules maintaining synchronization. During normal operation, the host CPU handles program execution while updating the standby CPU's status. If the host fails, the standby immediately assumes control within a single PLC scan cycle, ensuring uninterrupted operation.

Our products serve diverse industries including CNC machinery, metallurgy, oil & gas, petrochemicals, chemicals, paper/printing, textiles, machinery manufacturing, electronics, automotive, tobacco, plastics, power generation, water treatment, municipal engineering, boiler systems, energy, and power distribution.