Application Scenarios
A European packaging-machine OEM, Muller Martini, faced a familiar challenge: dozens of legacy finishing lines still run on B&R 2005 PCCs built around the 3CP260.60-1, but the original CPU inventory had been exhausted and the platform itself reached end-of-life. When a line controller failed during a peak production window, the manufacturer risked days of downtime with no straightforward path to a replacement. By sourcing a tested 3CP260.60-1 and leveraging B&R’s Automation Studio and SG3/SG4 engineering services for project backup and restore, the OEM’s service partner transferred the original logic onto the replacement unit and returned the line to full operation within a single shift. The dual-slot CPU’s non-volatile real-time clock, ≥4-year battery buffering, and comprehensive status LED set (READY / RUN / MODE / ERROR / BAT) allowed technicians to verify correct initialization at a glance — no laptop required on the floor. For asset owners managing installed SYSTEM 2005 base units in printing, packaging, food & beverage, and pharmaceutical machinery, the 3CP260.60-1 is not merely a spare part; it is the lifeline that keeps decades-old automation investments productive.
Parameters
| Main Parameters | Value/Description |
|---|---|
| Product Model | 3CP260.60-1 (CP260 / CPU260, B&R ID code $27) |
| Manufacturer | B&R Industrial Automation (part of ABB Group) |
| Product Category | CPU Module / Central Processing Unit (PCC) |
| Applicable System | B&R SYSTEM 2005 / Automation 2005 programmable computer controller |
| Processor Architecture | B&R 2005 CPU, typical instruction cycle 0.2 µs |
| Standard Memory | 4 MB DRAM + 174 KB system SRAM + 850 KB user SRAM + 512 KB system FlashPROM + 512 KB user FlashPROM |
| Data / Program Cache | 2 × 256 bytes |
| PCMCIA Interface | JEIDA V4.0 / PCMCIA 2.0, max 16 MB SRAM or FlashPROM, card thickness ≤3 mm |
| Standard Communication | RS232, 9-pin D-sub, max 15 m at 19200 Baud, up to 64 kBaud |
| Interface Module Slots | 2 insert slots for bus / network expansion (Profibus, CAN, Ethernet, etc.) |
| Real-Time Clock | Non-volatile, 1-second resolution |
| Backup Battery | 2005 backplane battery ≥4 years; AC240 module ≥2.5 years; NiMH rechargeable ≥2 months; battery monitoring |
| Power Consumption | 5 V DC max 5.7 W + 24 V DC max 2.3 W = total max 8 W (excl. memory card & interface modules) |
| Status Indicators | READY, RUN, MODE, ERROR, BAT LEDs + Reset button + Mode DIP switch |
| Mechanical Form | B&R 2005 double-width module, mounted in main rack only (not for expansion racks) |
| Certifications | C-UL-US Listed; CE, UKCA, cULus E115267 |
| Operating Temperature | 0 °C to +55 °C (per SYSTEM 2005 rack specification) |
| Lifecycle Status | EOL — supplied as New Surplus (NOS) or tested-used; X20 platform is the modern replacement path |
Technical Principles and Innovative Values
- Innovation Point 1: PLC Determinism Merged with IPC-Class Computing. The 3CP260.60-1 was among the first modules to fuse the reliability and deterministic cycle timing of a programmable logic controller with the multitasking and data-processing power of an industrial PC. The 0.2 µs instruction cycle and 2 × 256-byte cache enable the 3CP260.60-1 to execute logic, motion, and communication tasks in parallel while maintaining hard real-time response — a capability that remains relevant for legacy machines requiring precise synchronization.
- Innovation Point 2: Layered Memory Architecture for Program and Data Integrity. With 4 MB DRAM for runtime, 850 KB user SRAM for volatile application data, and 512 KB user FlashPROM for non-volatile retention, the 3CP260.60-1 provides a tiered storage hierarchy that separates operating memory from persistent user code. This architecture ensures that even during a sudden power loss, critical parameters and the real-time clock (buffered by the backplane battery for at least four years) survive intact.
- Innovation Point 3: Field-Expandable via PCMCIA and Dual Interface Slots. The 3CP260.60-1 breaks the fixed-resource limitation of conventional PLC CPUs. Its PCMCIA slot accepts SRAM or FlashPROM cards up to 16 MB for field program exchange and recipe storage, while the two internal interface module slots allow integration of Profibus, CAN, industrial Ethernet, and other bus systems — enabling the 3CP260.60-1 to adapt to evolving communication requirements without replacing the CPU.
- Innovation Point 4: NC Synchronization for Motion-Centric Applications. The module natively supports NC (Numerical Control) synchronization, allowing the 3CP260.60-1 to coordinate motion axes and process I/O on a shared time base. This made the CPU a preferred choice for printing presses, packaging lines, and converting machinery where registration accuracy depends on tight temporal coupling between drive commands and sensor feedback.
- Innovation Point 5: Five-LED Instant Diagnostics with Battery Monitoring. The front panel of the 3CP260.60-1 exposes READY, RUN, MODE, ERROR, and BAT indicators, giving maintenance staff immediate visibility into power state, execution health, operating mode, fault conditions, and battery status. The integrated battery monitoring function proactively warns of impending backup-battery depletion — preventing unexpected data loss before it happens.
- Innovation Point 6: Engineered for Long-Service Life in Harsh Cabinets. Rated for 0 °C to +55 °C operation and backed by C-UL-US, CE, and UKCA certifications, the 3CP260.60-1 was designed to endure the thermal, vibratory, and electrical stresses of industrial enclosures. Its double-width 2005 rack form factor ensures solid mechanical anchoring and reliable backplane contact across years of thermal cycling.
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