The Allen-Bradley 1756-L82E is a ControlLogix 5580 series programmable automation controller, positioned as a mid-range model in Rockwell Automation's flagship PAC platform. It features 5 MB of user memory, a built-in 1 Gb EtherNet/IP port, and a USB programming port, delivering high-performance control for complex industrial applications.
Item No :
1756-L82EOrder(MOQ) :
1 PiecePayment :
EXWProduct Origin :
USAShipping Port :
WuhanLead Time :
3~5 daysWeight :
3kg| Specification | Description |
|---|---|
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Model | 1756-L82E |
| Product Family | ControlLogix 5580 |
| Product Type | Programmable Automation Controller (PAC) |
| User Memory | 5 MB |
| Nonvolatile Memory | 2 GB Secure Digital (SD) card, pre-installed (1784-SD2) |
| Embedded Ethernet Port | 1 x RJ45, 10/100/1000 Mbps (1 Gb) |
| Local Programming Port | 1 x USB 2.0 Full-Speed, Type B |
| EtherNet/IP Nodes Supported | 80 (Logix Designer v29) / 175 (Logix Designer v30+) |
| Motion Axes Supported | 256 (Integrated Motion on EtherNet/IP) |
| Max Digital I/O | 128,000 points |
| Max Analog I/O | 4,000 points |
| Controller Tasks | 32 tasks; 1,000 programs/task |
| Programming Languages | LD, ST, FBD, SFC |
| Display | 4-character alphanumeric display |
| Backplane Current Draw | 1.20 A @ 5.1V DC; 5 mA @ 1.2V DC |
| Power Dissipation | 6.2 W max |
| Thermal Dissipation | 21.2 BTU/hr |
| Isolation Voltage | 50V continuous (basic insulation) |
| Operating Temperature | 0°C to +60°C |
| Module Location | Any slot in 1756 ControlLogix chassis |
| Weight | Approx. 0.57 kg (1.25 lbs) |
| Certifications | CE, UL, CSA, ATEX, KC, Marine |
| Lifecycle Status | Active |
| Estimated Lead Time | 5 days |
| Model | User Memory | EtherNet/IP Nodes | Description |
|---|---|---|---|
| 1756-L81E | 3 MB | 100 (v30+) | Entry-level 5580 controller |
| 1756-L82E (this model) | 5 MB | 175 (v30+) | Mid-range 5580 controller |
| 1756-L83E | 10 MB | 250 (v30+) | Upper mid-range 5580 controller |
| 1756-L84E | 20 MB | 250 (v30+) | High-end 5580 controller |
| 1756-L85E | 40 MB | 300 (v28+) | Flagship 5580 controller |
| 1756-L82ES | 5 MB + 2.5 MB safety | 175 | GuardLogix safety controller |
| 1756-L82EK | 5 MB | 175 | Conformal-coated version for harsh environments |
| 1756-L82EXT | 5 MB | 175 | Extended temperature version |
| 1756-L82E-NSE | 5 MB | 175 |
No Stored Energy version |
Q1: What is the primary function of the 1756-L82E?
It is a mid-range ControlLogix 5580 controller that serves as the central processing unit for industrial automation systems. It executes user logic, manages I/O and motion control over EtherNet/IP, and provides high-speed communication and processing for complex machine and process applications .
Q2: Does the 1756-L82E have a built-in Ethernet port?
Yes. Unlike the older 5570 series (which required a separate communication module), the 5580 series features a built-in 1 Gb (Gigabit) Ethernet port on the front of the controller. This port supports EtherNet/IP communication for I/O, HMI, and controller-to-controller messaging at 10/100/1000 Mbps speeds .
Q3: How many EtherNet/IP nodes does the 1756-L82E support?
The node capacity depends on the Studio 5000 Logix Designer version:
80 nodes with Logix Designer version 29
175 nodes with Logix Designer version 30 or later
Q4: Can the 1756-L82E be used in a redundant (ControlLogix Redundancy) system?
No. According to the official ControlLogix selection guide, controller redundancy is not supported on 5580 series controllers — it is listed as a future capability. For redundant applications, the 1756-L7x series (e.g., 1756-L71, L72, L73, L74, L75) must be used with the 1756-RM2 redundancy module .
Q5: What is the difference between the 1756-L82E and the 1756-L82ES?
The 1756-L82E is the standard controller with 5 MB user memory. The 1756-L82ES is the GuardLogix safety controller with 5 MB standard memory plus 2.5 MB safety memory, certified for safety applications up to SIL 3/PLe. The L82ES supports both standard and safety tasks, while the L82E does not have integrated safety capability.
The Allen-Bradley 1794-OE4 is a 4-channel analog output module for the FLEX I/O system. It provides 4 single-ended, non-isolated outputs with software-selectable voltage (±10V, 0–10V) or current (0–20 mA, 4–20 mA) ranges, offering 12-bit plus sign resolution and 1.024 ms conversion rate for all channels.
The Allen-Bradley 1794-IRT8 is an 8-channel thermocouple, RTD, and millivolt input module for the FLEX I/O system. The module features 14-bit input resolution, wire-off/overrange/underrange detection, and cold-junction compensation via external compensators (1794-CJC2) for thermocouple accuracy.
The Allen-Bradley 1794-OF4I is a 4-channel isolated analog output module for the FLEX I/O system. The module supports Removal and Insertion Under Power (RIUP) for hot-swap maintenance and includes open-wire detection and field power monitoring diagnostics.
The Allen-Bradley 1794-IF8IH is an 8-channel isolated HART analog input module for the FLEX I/O system. It provides 8 individually isolated current inputs (0–20 mA or 4–20 mA) with 16-bit resolution and HART 5/6/7 pass-through communication, enabling remote configuration, calibration, and diagnostics of HART-enabled transmitters without additional multiplexers.
The Allen-Bradley 1794-OE8H is an 8-channel HART analog output module for the FLEX I/O system, designed for process control applications requiring direct communication with smart field devices. It provides 0–20 mA or 4–20 mA current outputs on each channel while simultaneously enabling HART digital communication over the same two wires, eliminating the need for external HART multiplexers or additional wiring.
The Allen-Bradley 1794-IT8 is an 8-channel thermocouple/millivolt input module for the FLEX I/O system, designed for direct interfacing with a wide variety of thermocouple sensors and low-level millivolt sources. The module includes cold-junction compensation and on-board scaling, simplifying programming and eliminating the need to scale data in the user program.
The Allen-Bradley 2711P-RDB10C is a PanelView Plus 1000 series display module designed as a replacement or spare for PanelView Plus and PanelView Plus 6 1000 operator terminals. It features a 10.4-inch color TFT display with 640 x 480 pixel resolution, a keypad and analog resistive touchscreen for operator input, and a CCFL backlight rated for 50,000 hours.
The Allen-Bradley 2711P-T15C4D9 is a PanelView Plus 6 1500 operator terminal featuring a 15.0-inch color active-matrix TFT touchscreen with 1024 x 768 resolution and 18-bit color graphics. It includes 512 MB Flash memory and 512 MB RAM, along with embedded Ethernet, RS-232, and two USB host ports for flexible connectivity.
Scan to Wechat :
Scan to WhatsApp :
