Model Interpretation

140: Modicon Quantum series

CPU: Central Processing Unit

67260: 266 MHz, hot‑standby, multimode fiber Ethernet, Unity firmware

Technical Parameters

Processor: 32‑bit PowerPC RISC, 266 MHz, math coprocessor

Execution Speed: Boolean ~0.12 µs/inst; Mixed ~0.15 µs/inst

Memory:

Internal RAM: 3072 KB (1536 KB program / 1536 KB data)

Flash: 16 MB (program storage)

Expandable: Up to 7168 KB program / 8 MB file via PCMCIA

Max I/O:

Discrete: 31,744 remote; 8,000 distributed

Analog: 1,984 remote; 500 distributed

Local: Unlimited (26 slots max)

Local I/O: 2 racks (10/16‑slot backplanes)

Remote I/O: 31 stations (RIO/DIO); 63 distributed I/O stations

Backplane Current: 2760 mA @ +5V

Operating Temp: 0°C to +60°C; Storage ‑40°C to +85°C

Dimensions: 130 × 80 × 60 mm; Weight ≈1.11 kg

Certifications: UL 508, CSA C22.2 No142, CE, FM Class1 Div2, Green Premium

Interface & Communication

Ethernet: 1 × MT‑RJ multimode fiber, 10/100 Mbps, Modbus TCP/IP, EGD

Modbus Plus: 1 × SUB‑D 9‑pin (peer‑to‑peer)

Modbus Serial: 1 × RJ45 (RS‑232/485)

USB: 1 × USB 1.1 (local programming)

Fiber Sync: 1 × fiber port (hot‑standby link)

Protocols: Modbus TCP/RTU, EGD, BOOTP/DHCP, HTTP, FTP, SNMP

Core Functions

Hot‑Standby Redundancy: Bumpless transfer, fault tolerance (with 140CHS41020)

Multimode Fiber Ethernet: Immunity to electrical noise, long‑distance connectivity

Multitasking: 1 cyclic master + 2 periodic tasks (fast task 0.2 ms)

Integrated Diagnostics: LCD display + LED status indicators

FDR: Faulty Device Replacement (hot‑swap I/O)

Applications

Systems: Modicon Quantum 140 series racks (140XBP backplanes)

Industries: Power, water treatment, oil/gas, chemical, pulp & paper

Use Cases: High‑availability process control, redundant SCADA, critical infrastructure with harsh EMI environments

Compatibility

Racks: 140XBP010, 140XBP016 (10/16‑slot)

Redundancy: 140CHS41020 (redundant backplane)

Software: EcoStruxure Control Expert, Unity Pro, ProWORX 32