Description
- Product Model: 1756‑L72 (ControlLogix 5572)
- Brand: Allen‑Bradley (Rockwell Automation)
- Warranty: One Year
- Input Voltage: Powered via 1756 backplane; 5.1 V DC 800 mA typical consumption; power dissipation 2.5 W
- Operating Temperature: 0 °C ~ +60 °CRockwell C…
- Storage Temperature: ‑40 °C ~ +85 °C
- Response Time: Multi‑task real‑time execution; up to 32 configurable tasks; supports event‑triggered interrupt tasks
- Protection Class: IP20, chassis slot‑mount module for control cabinet
- Accuracy Class: N/A (PAC controller CPU module)
- Output Frequency: N/A
- Rated Current Range: Max 128 000 digital I/O points; max 4 000 analog I/O points; 4 MB user logic memory, 0.98 MB I/O memory
- Communication Interface: 1×USB2.0 local programming port; communication via 1756‑ENxx EtherNet/IP, ControlNet or DeviceNet communication modules; SD‑card slot (1784‑SD1/SD2) for non‑volatile storage & firmware backupRockwell A…
- Supported Protocols: EtherNet/IP, ControlNet, DeviceNet, Remote I/O, SynchLink; Studio 5000 Logix Designer programming environmentRockwell A…
- Overload Capacity: On‑board ESM capacitor module (1756‑ESMCAP) for clock & retentive data backup; hardware fault detection, watchdog timer; ESD & surge protection on communication ports
- Dimensions: Standard 1756 single‑slot module; approx 132 mm × 35 mm × 120 mm; weight ~0.25 kg
Product Overview
The Allen‑Bradley 1756‑L72 (Logix5572) is a mid‑range high‑performance PAC controller of the ControlLogix 5570 series. Equipped with 4 MB user memory, it executes sequential logic, motion control, process PID regulation and tag‑based data processing. It uses modular communication adapters for multi‑network connection, supports redundant controller configuration, and adopts SD‑card for program backup, firmware update and diagnostic log storage. Capacitor‑based ESM module maintains real‑time clock and retentive tags without traditional lithium battery. It solves typical pain‑points: insufficient memory for complex multi‑program projects, limited network flexibility of integrated‑port CPU, and battery‑maintenance workload. Automation system engineers, panel builders and maintenance technicians benefit from large I/O capacity, multi‑task real‑time performance, hot‑swap compatible chassis architecture, and drop‑in spare replacement for existing ControlLogix racks.
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