1768-L43 | Allen-Bradley CompactLogix L43 Processor with 2 MB Memory and RS-232 Port

Allen-Bradley · PLCs & Industrial Controllers

Description  The Allen-Bradley 1768-L43 is a CompactLogix processor module designed for reliable control in small to medium automation systems. It combines 2 MB of onboard memory with versatile RS-232 connectivity to support a wide range of machine and process applications. This controller provides robust performance within CompactLogix architectures where efficient data handling and modular expansion are required.     Technical Specifications  Condition New/Never Used Surplus Brand Allen-Bradley Category PLCs and Accessories Part Number 1768-L43 Subcategory PLC Expansion Modules Product Line CompactLogix Processor Type L43 Processor Module Integrated Memory 2 MB Communication Ports 1 × RS-232 Supported Protocols DF1, ASCII Communication Options EtherNet/IP, ControlNet, DeviceNet (via additional modules) Max I/O Modules 16 Modules I/O Banks Supported 2 Banks Backplane Current 1.3 A at 24 V Power Consumption 31.1 W Maximum Power Dissipation 6.3 W Operating Temperature 0°C to +60°C (32°F to 140°F) Vibration Rating 10–500 Hz, 5G, 0.030 in peak-to-peak Isolation Voltage 30 V Tested at 500 V AC Mounting Style DIN Rail / Panel Mount Programming Cable 1747-CP3 / 1756-CP3 Weight 0.34 kg (0.75 lb)   Information About 1768-L43 The 1768-L43 is part of the Allen-Bradley CompactLogix 1768 series, developed to provide Logix-based control capabilities in a compact and scalable form factor. It integrates seamlessly with 1768 communication modules and 1769 Compact I/O, allowing flexible system expansion across multiple banks. The module’s built-in RS-232 port supports common industrial protocols, enabling straightforward integration with HMIs, SCADA systems, and serial devices. Designed for OEM equipment and process applications, the controller incorporates isolation, status diagnostics, and environmental resistance suitable for continuous industrial operation. Key Features: 2 MB Integrated Memory: Provides storage for complex programs, data, and motion control tasks. RS-232 Serial Communication: Supports DF1, ASCII, and multiple serial protocols for device integration. Up to 16 I/O Modules: Manages Compact I/O installations across up to two expansion banks. Flexible Mounting: Designed for DIN-rail or panel mounting to support various cabinet layouts. Robust Environmental Rating: Operates reliably from 0°C to 60°C with vibration resistance up to 5G. Integrated Key Switch: Allows secure selection of Run, Program, and Remote modes. Low Power Dissipation: Consumes 31.1 W with efficient thermal performance for compact enclosures. Backplane Support: Provides 1.3 A at 24 V backplane current for connected 1768/1769 modules. The 1768-L43 delivers the reliability and precision required for dependable machine control and compact industrial automation.

Brand: Allen-Bradley · Category: PLCs & Industrial Controllers

Key features

• 2 MB Integrated Memory: Provides storage for complex programs, data, and motion control tasks.
• RS-232 Serial Communication: Supports DF1, ASCII, and multiple serial protocols for device integration.
• Up to 16 I/O Modules: Manages Compact I/O installations across up to two expansion banks.
• Flexible Mounting: Designed for DIN-rail or panel mounting to support various cabinet layouts.
• Robust Environmental Rating: Operates reliably from 0°C to 60°C with vibration resistance up to 5G.
• Integrated Key Switch: Allows secure selection of Run, Program, and Remote modes.
• Low Power Dissipation: Consumes 31.1 W with efficient thermal performance for compact enclosures.
• Backplane Support: Provides 1.3 A at 24 V backplane current for connected 1768/1769 modules.

Specifications

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