The Allen-Bradley 1756-L63/A is a high-performance ControlLogix Logix5563 controller module designed for demanding industrial automation applications. As part of the ControlLogix platform, this processor provides the computational power and memory capacity required for complex control tasks, including motion control, process control, and high-speed discrete logic execution. The 1756-L63/A features 8 MB of user memory and 478 KB of I/O memory, supporting up to 32 tasks and 100 programs per task to ensure efficient system operation.
| Model | 1756-L63/A |
| Series | A |
| User Memory | 8 MB |
| I/O Memory | 478 KB |
| Optional Nonvolatile Storage | 128 MB |
| Digital I/O (Max) | 128,000 |
| Analog I/O (Max) | 4,000 |
| Current Draw @ 5.1V DC | 1200 mA |
| Current Draw @ 24V DC | 14 mA |
| Power Dissipation | 3.5 W |
| Thermal Dissipation | 11.9 BTU/hr |
The 1756-L63/A is a central processing unit (CPU) for the ControlLogix system, responsible for executing user-defined control programs, managing I/O data, and coordinating communication across the backplane.
Yes, the 1756-L63/A is compatible with standard ControlLogix chassis (1756-A series). It can be placed in any slot, though it is typically placed in the first slot for primary control.
Yes, like other Logix5563 controllers, it utilizes a battery for memory retention. Ensure the battery is installed and replaced periodically according to the maintenance schedule to prevent loss of user programs during power cycles.
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