Allen-Bradley 1756-L81E ControlLogix 5580 Controller
- Brand
- Allen-Bradley
- Model
- 1756L81E
- GEARWELL SKU
- GWP-000003274
- Category
- PLCs & I/O
Key specifications
- Memory
- 3 MB standard memory
- Standard memory
- 3 MB
- Analog I/O maximum
- 4,000
- Ethernet interface
- 1 embedded 10/100/1000 Mbps EtherNet/IP port
- Digital I/O maximum
- 128,000
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← Back to productsProduct overview
The Allen-Bradley 1756-L81E is a ControlLogix 5580 controller from Rockwell's ControlLogix 1756 range. It has 3 MB of standard memory and supports up to 100 EtherNet/IP nodes. It has an embedded 10/100/1000 Mbps EtherNet/IP port and a USB 2.0 port for programming, 32 tasks with up to 1000 programs per task, up to 128,000 digital or 4000 analog I/O, and a 4 GB SD card (1784-SD4) installed at the factory; the energy storage module is built in and not removable. It supports Integrated Motion on EtherNet/IP and controller redundancy. It installs in a 1756 ControlLogix chassis and takes one slot.
Technical reference
| Product name | Allen-Bradley 1756-L81E ControlLogix 5580 Controller |
|---|---|
| Brand | Allen-Bradley |
| Model | 1756L81E |
| Category | PLCs & I/O |
| Memory | 3 MB standard memory |
| Standard memory | 3 MB |
| Analog I/O maximum | 4,000 |
| Ethernet interface | 1 embedded 10/100/1000 Mbps EtherNet/IP port |
| Digital I/O maximum | 128,000 |
| Embedded network interface | 1 embedded 10/100/1000 Mbps EtherNet/IP port |
| Local programming port | 1 USB 2.0; temporary local programming only, not permanent or hazardous-location use |
| Nonvolatile storage | Secure Digital storage; supports 1784-SD4 (4 GB) |
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