Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Description | Parameter |
|---|---|
| Product Model | 1756-L71S |
| Manufacturer | Allen-Bradley |
| Product Type | ControlLogix GuardLogix Controller |
| Module Function | Logix5571S Safety‑Enabled Processor |
| User Memory | 2 MB |
| Safety Memory | 1 MB |
| I/O Memory | 0.98 MB |
| Non‑volatile Memory | 1 GB SD card (pre‑installed, expandable) |
| Maximum I/O | 128,000 total I/O points |
| Maximum Digital I/O | 128,000 |
| Maximum Analog I/O | 4,000 |
| Number of Standard Tasks | 31 |
| Number of Safety Tasks | 1 |
| Programs per Task | 100 |
| Communication Port | 1 × USB (programming) |
| Optional Network Adapters | EtherNet/IP, ControlNet, DeviceNet |
| Controller Connections | Varies with adapter (e.g., up to 256 EtherNet/IP) |
| Backplane Current (5.1V DC) | 800 mA |
| Backplane Current (1.2V DC) | 5 mA |
| Power Dissipation | 2.5 W |
| Thermal Dissipation | 8.5 BTU/hr |
| Isolation Voltage | 30V continuous |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature | -40 to 85°C (-40 to 185°F) |
| Dimensions | 145 mm × 35 mm × 140 mm (approx.) |
| Weight | 0.26 kg (0.56 lb) |
| Installation | ControlLogix 1756 chassis slot |
| Certifications | CE, UL, CSA, Safety standards (requires partner module) |
FAQ
FAQ
Q1. What is the function of the 1756-L71S module?
It is a GuardLogix safety‑enabled programmable controller that executes both standard and safety logic.
Q2. How much memory does the 1756-L71S have?
It has 2 MB user memory, 1 MB safety memory, and a 1 GB pre‑installed SD card for non‑volatile storage.
Q3. How many I/O points can this controller manage?
It supports up to 128,000 total I/O points, including digital and analog.
Q4. What communication interfaces are available?
It includes one USB port for programming and supports optional network adapters such as EtherNet/IP, ControlNet, and DeviceNet.
Q5. What safety standards can it meet?
When paired with a compatible safety partner module, it can support SIL 3 and PLe safety applications.
Q6. Can this controller support redundant operation?
No, the 1756-L71S does not support controller redundancy.
Q7. What type of tasks are supported on this controller?
It supports up to 31 standard tasks and 1 dedicated safety task.
Q8. Where is this module typically used?
In industrial automation systems requiring integrated safety and standard control, such as machinery and process safety applications.
Tags
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.
