You are here:
- Home
- Product
- Controllers & CPUs
- Main Processor Modules
- Allen-Bradley 1768-L43 Processor Module
SKU: 1768-L43
Allen-Bradley 1768-L43 Processor Module
The Allen-Bradley 1768-L43 is a CompactLogix processor featuring 2MB of memory and 4-axis integrated motion control. It supports 16 local 1769 I/O modules and offers versatile communication options via EtherNet/IP and ControlNet expansion.
The Allen-Bradley 1768-L43 serves as a high-performance central processing unit for the CompactLogix 1768 system. This controller specifically targets medium-scale industrial applications requiring synchronized motion control. It features 2 megabytes of integrated user memory for complex program execution. Furthermore, the processor manages up to four axes of high-speed integrated motion. This capability makes it ideal for packaging, assembly, and material handling systems. Consequently, users achieve precise machine coordination within a compact hardware footprint.
Expandable Architecture and Connectivity
This module supports a modular local I/O structure to accommodate diverse application needs. It allows the connection of up to 16 local 1769 I/O modules for digital and analog signals. Moreover, the 1768-L43 includes an integrated RS-232 serial port for direct peripheral communication. The controller also features an expansion slot for 1768-series communication modules. These modules enable connectivity via EtherNet/IP or ControlNet for distributed control networks. Thus, the system scales effectively to meet evolving production requirements.
Operational Features and Monitoring
The front panel provides immediate diagnostics through a comprehensive array of status LEDs. These indicators show processor health, battery status, and network activity at a glance. Additionally, a three-position mode switch allows manual selection between Run, Program, and Remote modes. The 1768-L43 maintains high reliability within a broad temperature range from 0 to 60°C. For security, the controller utilizes Logix-based permissions to protect sensitive application code. Moreover, the hardware supports both DIN rail and panel mounting for flexible cabinet installation.
Data Security and Storage
Engineers can utilize optional CompactFlash cards for non-volatile storage and easy program portability. This feature ensures that critical machine data remains safe during long-term power outages. Furthermore, the processor utilizes a battery-backed SRAM to maintain runtime variables. This combination provides a robust foundation for continuous manufacturing processes. The 1768-L43 remains a dependable choice for upgrading legacy systems or building new automated machinery. Its multi-discipline control environment simplifies the engineering process across various industries.
Core Technical Specifications
- User Memory:Â 2 MB Internal Storage
- Motion Axes:Â Up to 4 Axes (Integrated)
- Local I/O Capacity:Â Supports 16 1769-Series Modules
- Communication Port:Â RS-232 (DF1 or ASCII)
- Power Consumption:Â 31.3 Watts Maximum
- Backplane Current:Â 1.3A at 24V DC
- Storage Options:Â CompactFlash Card Slot (Optional)
- Programming Languages:Â Ladder Logic, Structured Text, Function Block
You may also like
The GE UR9EV is a high-performance CPU Processor Module for Multilin Universal Relays. It features 16-bit A/D conversion and 64 samples per cycle for precise fault detection. Built for extreme environments, this 0.96 kg USA-made processor ensures reliable protection logic and rapid response times for critical power system automation and industrial control.
Allen-Bradley 1756-L62 ControlLogix Logix5562 Processor
The Allen-Bradley 1756-L62 is a Logix5562 processor featuring 4 MB of user memory and 128,000 I/O capacity. This ControlLogix module supports 32 tasks and redundancy for high-availability industrial control. It remains a reliable solution for maintaining legacy factory automation systems.
Allen-Bradley 1756-L55M14 Controller Processor
The Allen-Bradley 1756-L55M14 is a Logix5555 controller featuring 3.5MB of user memory and 208KB of I/O memory. It supports multi-protocol communications including EtherNet/IP and ControlNet for advanced distributed control and high-speed industrial processing.
Allen-Bradley 1785-LT3 Prosessor Module
The Allen-Bradley 1785-LT3 is a PLC-5 Classic processor featuring 6K words of memory and 512 I/O points. It includes DH+ and Remote I/O ports, offering reliable control and communication for legacy 1771 industrial automation systems.
Allen-Bradley 1785-L40E CPU Module
The Allen-Bradley 1785-L40E is a PLC-5/40E processor featuring 48K words of memory and integrated Ethernet. It supports 2048 I/O points and provides robust DH+ and Serial communication. This CPU ensures high-speed control for 1771-based industrial automation systems.
Triconex 3006 Enhanced Main Processor Module
The Triconex 3006 is a high-performance Main Processor Module designed for the Tricon Triple Modular Redundancy (TMR) system. It delivers superior fault tolerance and logic execution for safety-critical applications in oil, gas, and power industries. This module supports redundant communication and comprehensive self-diagnostics to ensure maximum process uptime and SIL 3 compliance
Triconex 3008 Main Processor
The Triconex 3008 is a high-performance TMR Main Processor designed for mission-critical safety systems. It features advanced 2oo3 voting logic, integrated self-diagnostics, and seamless DCS integration. This 2.06kg module delivers the deterministic speed and fault-tolerant reliability required for SIL 3 certified emergency shutdown and critical control applications.
Allen-Bradley 1756-L55M13 ControlLogix 5555 Processor Module
The Allen-Bradley 1756-L55M13 is a powerful ControlLogix 5555 controller featuring 1.5MB of user memory. This versatile processor supports diverse industrial protocols, provides high-speed logic execution, and offers optional redundancy for demanding PLC applications.
Yokogawa CENTUM VP CP471-00 S1 Processor Module for Field Control Stations
The Yokogawa CP471-00 S1 is a high-availability processor module designed for CENTUM VP Field Control Stations. It supports dual-redundancy and online replacement, providing a high-performance upgrade path from legacy CP461 modules while ensuring zero downtime for critical industrial automation processes.
Triconex MP3101 Main Processor Module
The Triconex MP3101 is the core Main Processor for Trident TMR safety systems. It features triple-modular redundancy, SIL 3 certification, and high-speed TriBus synchronization to provide fail-safe control for critical industrial applications.
HIMA F8620-4 Central Processing Unit Module
The HIMA F8620-4 is a high-performance SIL 3-rated Central Processing Unit for H41q and H51q safety systems. Featuring a redundant processor architecture and Safeethernet support, this CPU provides the reliable logic execution and diagnostics required for critical industrial safety applications.
General Electric 531X309SPCAJG1 Digital Signal Processor (DSP) Card 300 Series
The General Electric 531X309SPCAJG1 is a high-performance Digital Signal Processor (DSP) card for 300 Series and Innovation drives. By leveraging real-time floating-point math and G3-rated durability, it provides the computational speed and signal precision required for stable motor control in mission-critical industrial systems.


























