The Allen-Bradley 1756-L84ES GuardLogix controller from the 5580 series is designed to seamlessly integrate standard and safety control, compatible with safety applications requiring SIL 3 and PL(e) certification. It offers extensive functionality with 20MB of standard user memory, a dedicated 6MB for safety tasks, and supports optional 2GB nonvolatile SD memory cards. This controller facilitates advanced motion control and safety communications across EtherNet/IP, ControlNet, and DeviceNet networks, with the capability to handle up to 250 Ethernet/IP nodes and execute thirty-one standard and one safety task with 1,000 programs per task. Featuring IEC-61131-3 compliant programming and a range of connectivity options, it supports flexible applications through its Ethernet port offering speeds of up to 1Gbps and a dedicated USB port.
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Technical specifications for 1756-L84ES
| Ethernet performance | 10/100/1000 megabits per second |
|---|---|
| Built-in communication | 1 USB port (USB 2.0), embedded Ethernet port |
| Safety memory | 6 megabytes |
| Digital I/O / Analog I/O | 128,000 / 4000 max. |
| User memory | 20 megabytes |
| Supported number of programs per task | 1000 |
| Controller tasks | 31 standard tasks/1 safety task |
| Safety communication options (standard/safety) | EtherNet/IP, ControlNet, DeviceNet |
| Supported EtherNet/IP nodes | 250 nodes max. |
| Part Number | 1756-L84ES |
| Series | ControlLogix |
| Brand | Allen-Bradley |
| Current draw at 1.2 Volts DC | 5.0 milli Amps |
| Current draw at 5.1 Volts DC | 1.2 Amps |
| Weight | 0,39 kilograms (0.868 pounds) |
| Manufacturer | Rockwel Automation |
