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Allen Bradley 1756-L71S Logix 5571S Automation Controller 2/1M with 30 Volts Continuous Isolation
Allen Bradley 1756-L71S Logix 5571S Automation Controller 2/1M with 30 Volts Continuous Isolation
2 MB Standard App Memory Automation Controller
1 MB Safety-Task Storage GuardLogix Controller
30 Volts Continuous Isolation Logix 5571S Controller
Place of Origin:
USA
Brand Name:
Allen Bradley
Model Number:
1756-L71S
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Product Details
Isolation Voltage:
30 Volts Continuous
Thermal Dissipation:
8.5 BTU Per Hour
Power Dissipation:
2.5 Watts
Condition:
100% Original
Current Draw (5.1 Volts DC):
800 Miliamperes
Current Draw (1.2 Volts DC):
5 Miliamperes
Product Model:
1756-L71S
Weight:
0.25 Kg
Highlight:
2 MB Standard App Memory Automation Controller
,1 MB Safety-Task Storage GuardLogix Controller
,30 Volts Continuous Isolation Logix 5571S Controller
Payment & Shipping Terms
Minimum Order Quantity
1
Price
66USD
Packaging Details
Brand new and original
Delivery Time
2-3 work days
Payment Terms
T/T
Supply Ability
in stock
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Product Description
Allen Bradley 1756-L71S Logix 5571S Automation Controller 2/1M
The 1756-L71S is a GuardLogix controller designed for industrial plants requiring both safety and standard automation in a single integrated package. Engineered for reliability rather than flashy features, this controller ensures your system operates with dependable performance. Engineers frequently select this model when existing Allen-Bradley installations require compatible I/O and safety logic without the need for complete rack redesign.
Technical Specifications
Catalog ID: 1756-L71S
Substitutable P/Ns: 1756L71S, 1756-L71S/B
Controller Logic: Logix 5571S GuardLogix CPU
Standard App Memory: 2 MB
Safety-Task Storage: 1 MB
I/O Image Pool: 0.98 MB
Analog Channel Limit: 4,000 pts
Discrete Point Capacity: 128,000 pts
Backplane Loading: 5 mA @ 1.2V DC / 800 mA @ 5.1V DC
Operational Power Loss: 2.5 W
Engineering Reliability in Industrial Automation
Global Expertise You Can Trust
"Allen-Bradley hardware remains a mainstay in global automation, anchoring countless legacy deployments that still hit uptime targets today. The brand’s value prop centers on deterministic performance and ruggedness. For most engineering teams, the inherent familiarity with their logic environment means deployment happens fast, minus the typical overhead of retraining staff on a new platform."
Seamless Integration Across Systems
The platform is designed for maximum compatibility. Logix 5571S, ControlLogix, and GuardLogix systems connect seamlessly with minimal additional configuration. This integration significantly reduces setup time in actual projects. The ability to handle both analog and digital I/O within the same environment simplifies system design and makes expanding existing systems straightforward.
Safety and Standards Compliance
Safety is implemented as a separate, isolated layer. In controllers like the 1756-L71S, safety memory is physically separated from standard control logic. This design ensures that safety routines remain unaffected by normal program modifications. The system complies with industry standards including SIL3 and ISO 13849, which are commonly required in industrial automation projects.
Frequently Asked Questions
- Can I check the item before shipping?
For in-stock units, yes. Photos are readily available, and video verification can be arranged if needed. This service primarily confirms labels, condition, and packaging of industrial control modules before dispatch. - Any price advantage for larger orders?
Typically, yes. For multiple items or repeat purchases, pricing can be adjusted. Combining several industrial automation spare parts into a single shipment helps reduce overall costs. - How fast is shipping?
If the part is available, it normally moves quite fast.
Most orders go out within 1–3 working days. Urgent cases can sometimes be arranged quicker, depending on timing. For obsolete PLC modules, it really depends on how fast the sourcing side responds. - Which courier do you use?
Primarily DHL, FedEx, and UPS—standard options for global industrial automation shipping. If you have your own account, it can be used instead, which is common among regular buyers. - Warranty?
Standard coverage is 12 months.
For some ControlLogix or GuardLogix units, longer terms can be discussed. It depends on the specific model and what’s currently available.
Experience the ease of sourcing where speed meets precision. One inquiry. Thousands of solutions.
Contact Our Specialist
Miya Zheng | Senior Sales Manager
Email: sales@amikon.cn
WhatsApp: +86 180 2077 6792
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