Allen-Bradley 1756-L73SK GuardLogix 5570 Safety Controller
- Brand
- Allen-Bradley
- Model
- 1756L73SK
- GEARWELL SKU
- GWP-000003875
- Category
- PLCs & I/O
Key specifications
- I/O memory
- 0.98 MB
- Standard memory
- 8 MB
- Product type
- GuardLogix 5570 Safety Controller
- Analog I/O maximum
- 4,000
- Chassis width
- 1 slot for the primary controller
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← Back to productsProduct overview
The Allen-Bradley 1756-L73SK is a GuardLogix 5570 safety controller from Rockwell's ControlLogix 1756 range. It is the conformal coated version of the 1756-L73S, with 8 MB of user memory and 4 MB of safety memory. Paired with a 1756-L7SP safety partner in the next slot, it is used for safety applications up to SIL CL 3/PLe (Category 4); the pair takes two slots. It has 0.98 MB of I/O memory and a 1 GB SD card (1784-SD1), and the safety task is programmed in ladder logic.
Technical reference
| Product name | Allen-Bradley 1756-L73SK GuardLogix 5570 Safety Controller |
|---|---|
| Brand | Allen-Bradley |
| Model | 1756L73SK |
| Category | PLCs & I/O |
| I/O memory | 0.98 MB |
| Standard memory | 8 MB |
| Product type | GuardLogix 5570 Safety Controller |
| Analog I/O maximum | 4,000 |
| Chassis width | 1 slot for the primary controller |
| Safety memory | 4 MB |
| Digital I/O maximum | 128,000 |
| Safety communication networks | EtherNet/IP and DeviceNet for Guard I/O; EtherNet/IP or ControlNet for controller safety interlocking |
| Conformal coating | Yes |
| Nonvolatile storage | Supports 1784-SD1 (1 GB) and 1784-SD2 (2 GB) |
| Official catalog number | 1756-L73SK |
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