Allen-Bradley 1756-L72S/K GuardLogix 5570 Safety Controller
$123.00
$320.00
Description
Allen-Bradley 1756-L72S/K GuardLogix 5570 Safety Controller
Configured for safety task execution and standard control processing in ControlLogix automation systems, the Allen-Bradley 1756-L72S/K (1756-L72S GuardLogix Safety Controller) provides processor-based execution for integrated safety logic, EtherNet/IP communication, and I/O management within GuardLogix 5570 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L72S/K |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 0.25 kg |
| Operating Temp | 0 deg C to 60 deg C |
| Power Consumption | 2.5 W max |
| Controller Type | GuardLogix 5570 Safety Controller |
| User Memory | 4 MB |
| Onboard Storage | 1 GB SD card expandable storage |
| Communication Interfaces | EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, SynchLink |
| USB Interface | Programming only |
| Maximum Digital I/O Capacity | 128,000 points |
| Maximum Analog I/O Capacity | 4,000 points |
| Safety Certification | TÜV certified, SIL 3, PLe |
| Storage Temperature | -40 deg C to 85 deg C |
| Relative Humidity | Up to 95% non-condensing |
| Shock Rating | IEC 60068-2-27 |
| Vibration Rating | IEC 60068-2-6 |
| Coating | Conformal coating for harsh environment protection |
EtherNet/IP and GuardLogix Safety Processing Architecture
The 1756-L72S/K operates as a GuardLogix 5570 series safety controller combining standard control execution and safety task processing within a single processor platform. The safety-enabled architecture supports TÜV-certified SIL 3 and PLe applications through dedicated safety instruction execution and coordinated communication between standard and safety tasks.
The conformal coating option indicated by the K suffix provides additional protection of electronic assemblies against environmental contaminants such as dust, humidity, and corrosive exposure. The controller supports integration with Studio 5000 Logix Designer for configuration, programming, and safety project management.
Frequently Asked Questions
Q: Does the 1756-L72S/K support both standard and safety control tasks?
A: Yes. The controller executes standard Logix tasks and safety tasks within the GuardLogix 5570 controller architecture.
Q: What communication networks are supported by this processor?
A: The processor supports EtherNet/IP, ControlNet, DeviceNet, DH+, Remote I/O, and SynchLink communication interfaces through compatible ControlLogix communication modules.
Q: What is the function of the K suffix on this model?
A: The K suffix identifies conformal coating applied to the controller electronics for increased environmental protection in industrial installations.
Field Installation Guidelines
Install the 1756-L72S/K in a compatible ControlLogix chassis with correct backplane seating and module locking engagement. Verify that the power supply and chassis grounding system comply with ControlLogix installation requirements.
Route communication cables separately from high-voltage power conductors to reduce electrical interference. Use appropriate cable shielding and connect shields according to industrial grounding practices. Confirm that safety configuration, firmware compatibility, and Studio 5000 project settings match the installed controller revision before commissioning.
Avoid exposing the module to conductive contamination, excessive moisture, or mechanical stress beyond specified environmental limits.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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