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The Allen-Bradley 1756-L81ESXT is GuardLogix 5580 XT extreme environment safety controller under Rockwell Logix5000 platform. It features conformal coating, extended wide operating temperature range (-25°C ~ +70°C), 3 MB standard user memory plus dedicated 1.5 MB safety memory, integrated 1Gigabit EtherNet/IP port, local USB programming port, 4-character alpha/numeric front LED display. It executes both standard machine control and SIL 3 safety logic on single controller, supporting up to 100 EtherNet/IP devices and total 128,000 I/O points for harsh industrial environments with wide temperature, moisture or airborne contaminants. Technical data sourced from official Rockwell Automation GuardLogix 5580 XT datasheet. Supplied by SHLY-PLC, an independent industrial automation distributor; each unit undergoes visual inspection and functional testing before shipment. Contact our team for compatibility verification.
Official Rockwell Automation GuardLogix 5580 XT Data
| Technical Specifications | |
| Catalog Number | 1756-L81ESXT |
| Series | GuardLogix 5580 XT Extreme Environment Safety Controller |
| Standard User Memory | 3 MB |
| Safety Memory | 1.5 MB dedicated safety memory |
| Operating Temperature | -25°C ~ +70°C (-13°F ~ +158°F) |
| Integrated Network | 1 x Gigabit EtherNet/IP |
| Local Programming Port | USB 2.0 Type B |
| Max Total I/O | 128,000 points |
| Safety Performance Level | SIL 3 / PL e / Category 4 |
| Power Dissipation | 6.2 W (21.2 BTU/h) |
| Front Display | 4-character alpha/numeric LED |
| Compatible SD Card | 1784-SD1, 1784-SD2 |
| Agency Certifications | |
| Certifications | cULus, CE, C-Tick, SIL3 certified, ISA 71.04 G3 coating rating |
1756-L81ESXT works with ControlLogix 1756 XT rated chassis, 1756 power supplies, 1756 standard & safety I/O modules. It runs standard control and SIL3 safety logic in one processor, communicating over EtherNet/IP safety connections. This listing is provided by an independent industrial automation distributor; brand names and part numbers are used for product identification only.
Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.
A: GuardLogix 5580 XT extreme environment SIL3 safety controller with conformal coating, -25~70°C wide temp range,3MB standard +1.5MB dedicated safety memory.
A: 1756-L81ES: standard 0~60°C operating range. 1756-L81ESXT: XT harsh environment version with conformal coating and extended temperature -25~70°C.
A: SIL 3, PL e, Category 4 safety certification.
A: Studio5000 Logix Designer with GuardLogix safety add-on profiles.
1756-L81ESXT · Technical reference data · Independently supplied by SHLY-PLC
Standard International (tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders of $500 or less; free on orders over $500.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Remote-area and overweight surcharges, where applicable, are shown before checkout.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use. Manufacturer or factory warranty service is not applicable, and extended warranty packages are not provided.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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