Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Description | Parameter |
|---|---|
| Product Model | 1756‑L81E |
| Manufacturer | Allen‑Bradley |
| Product Type | ControlLogix 5580 Controller (PAC) |
| Module Function | Programmable Automation Controller (Processor) |
| User Memory | 3 MB |
| Non‑volatile Memory | SD card support (via Secure Digital card, e.g., 1784‑SD2) |
| Maximum I/O | 128,000 total I/O points |
| Maximum Digital I/O | 128,000 |
| Maximum Analog I/O | 4,000 |
| Communication Ports | 1 × Gigabit Ethernet, 1 × USB 2.0 (programming) |
| Ethernet Speed | 10/100/1000 Mbps |
| USB Speed | 12 Mbps (programming/configuration only) |
| Isolation Voltage | 50V continuous |
| Backplane Current (5.1V DC) | ~1.20 A |
| Backplane Current (1.2V DC) | ~5.0 mA |
| Power Dissipation | ~6.2 W |
| Thermal Dissipation | ~21.2 BTU/hr |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Humidity | 5–95% non‑condensing |
| Vibration | 2 g at 10–500 Hz |
| Shock | 30 g |
| Dimensions | 145 mm × 34.55 mm × 136.6 mm (controller width × depth × height) |
| Weight | ~0.43 kg (0.94 lb) |
| Mounting | ControlLogix 1756 chassis slot |
| Certifications | CE, UL, CSA, IECx (varies by region) |
FAQ
FAQ
Q1. What is the 1756‑L81E used for?
It is a ControlLogix 5580 series controller that executes control logic and manages I/O in industrial automation systems.
Q2. How much memory does the 1756‑L81E have?
It has 3 MB of user memory for programs and data, with removable SD card support.
Q3. What I/O capacity can this controller handle?
It supports up to 128,000 total I/O points, including up to 4,000 analog points.
Q4. What communication interfaces are built in?
It has one Gigabit Ethernet port and one USB 2.0 port for programming and configuration.
Q5. What Ethernet speeds does it support?
Ethernet supports 10/100/1000 Mbps network communication.
Q6. Can the 1756‑L81E be installed in any ControlLogix chassis?
Yes, it fits standard ControlLogix 1756 series rack slots.
Q7. Is the controller hot‑swappable?
No — processors must be installed or removed only when the system is powered down.
Q8. In what applications is this controller typically used?
It’s used in industrial automation for machine control, process automation, and systems requiring modern Ethernet connectivity and high I/O capacity.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
