



The 1756-L63 ControlLogix 5560 Processor Module from Rockwell Automation is a high-capacity PLC controller designed for complex industrial automation systems requiring strong memory handling, deterministic control performance, and scalable multi-network communication.
As one of the higher-tier processors in the ControlLogix 5560 family, the L63 is widely used in large-scale manufacturing and process industries. It is especially valued in legacy infrastructures where high program capacity and long-term system stability are more important than modern processing speed or integrated cybersecurity features.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L63 |
| Series | ControlLogix 5560 |
| Processor Type | PLC / PAC Controller |
| User Memory | 8 MB |
| I/O Memory | 478 KB |
| Nonvolatile Memory | Up to 128 MB CompactFlash (1784-CF128) |
| Maximum I/O Capacity | 128,000 digital / 4,000 analog |
| Tasks Supported | Up to 32 tasks |
| Programs per Task | Up to 100 |
| Serial Port | 1 × RS-232 |
| Communication | Via external modules (EtherNet/IP, ControlNet, DeviceNet, DH+) |
| Redundancy Support | Supported |
| Backplane Current (5V DC) | ~1.2 A |
| Backplane Current (24V DC) | ~14 mA |
| Power Dissipation | ~3.5 W |
| Programming Software | RSLogix 5000 |
| Battery | 1756-BA1 / 1756-BATM |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5%–95% non-condensing |
| Dimensions (H × W × D) | 13.3 × 5.1 × 14.5 cm |
| Weight | ~0.32–0.35 kg |
The module uses a single-slot ControlLogix chassis format, making it easy to deploy into existing industrial racks without mechanical modification.
Recommended Related Models
For system expansion, upgrades, or maintenance strategies, the following modules are commonly paired with the 1756-L63:
- 1756-L71 / L72 ControlLogix CPUs (modern replacement path)
- 1756-EN2T EtherNet/IP communication module
- 1756-ENBT Ethernet bridge module
- 1756-CNB ControlNet bridge module
- 1756-IB16 / 1756-OB16 digital I/O modules
Popular Allen-Bradley ControlLogix Models
Within the same ecosystem, engineers frequently use:
- 1756-L61 mid-range controller
- 1756-L62 higher memory CPU
- 1756-L71 / L72 modern high-performance controllers
- 1756-EN2T advanced Ethernet modules
- 1756-DNB DeviceNet communication modules
These controllers represent the evolution of the ControlLogix platform from legacy deterministic control systems toward modern industrial networking architectures.