Product Introduce
1756-L82E is a programmable automation controller (PAC) of the ControlLogix 5580 series. It is positioned as a mid-range general-purpose control core. It has built-in 5 MB user memory, 2 GB non-volatile storage (with 1784-SD2 SD card) and 1 Gigabit EtherNet/IP port + 1 USB port. It is suitable for discrete control, process control and medium-scale motion control scenarios, and is compatible with the Studio 5000 programming environment.
Parameter
| Parameter | Value |
|---|---|
| Part Number | 1756‑L82E |
| Series | ControlLogix 5580 |
| User Memory | 5 MB |
| Non‑volatile Storage | 2 GB (via 1784‑SD2) |
| Built‑in Ports | 1x 10/100/1000 Mbps EtherNet/IP; 1x USB |
| Max Discrete I/O | 128,000 |
| Max Analog I/O | 4,000 |
| Max Tasks | 32 |
| Programs per Task | 1,000 |
| Power Dissipation | 6.2 W |
| Lifecycle Status | Active |
FAQ:
1.Can the user memory of 1756-L82E be expanded, and to what maximum extent can it be expanded?
The user memory of 1756-L82E is non-expandable, with 5 MB of user memory fixed at the factory. There is no physical memory slot or official expansion path, and the maximum capacity is 5 MB. Its non-volatile storage (2 GB via 1784‑SD2 SD card) is used only for program backup/restore and data archiving and does not replace user memory expansion. If you need more memory, you need to change the model (such as 1756‑L83E 10 MB, 1756‑L84E 20 MB).
2.What is the upper limit of the number of motion control axes supported by 1756-L82E, and which motion control modules is it suitable for?
1756‑L82E supports up to 256 motion control axes (based on EtherNet/IP integrated motion, subject to 5 MB user memory and application complexity constraints, the actual number of available axes is recommended to be ≤31 axes to ensure performance), adapts to the 1756 series of mainstream motion control modules and communication modules, and is compatible with Studio 5000 Logix Designer (V33+).
| Module Type | Catalog Number | Key Features |
|---|---|---|
| Motion Controller Module | 1756‑M02AE / 1756‑M02AS | 2‑axis, servo/stepper, SERCOS III, 125 μs cycle |
| Motion Controller Module | 1756‑M04SE | 4‑axis, SERCOS III, for high‑speed synchronization |
| Motion Interface Module | 1756‑EN2TR | 2‑port EtherNet/IP, CIP Motion, for distributed axes |
| Motion Safety Module | 1756‑M08SE | 8‑axis, SERCOS III, integrated safety functions |
| Positioning Module | 1756‑HP12 | 12‑channel high‑speed counter, for position tracking |
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