1756-L71S - In Stock | Allen Bradley PLC ControlLogix

1756-L71S

Rated 4.6 with 13 reviews

DO Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with DO Supply's 1-year warranty

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.


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1756-L71S

Revisions: Ser A Ser B 
Description: The 1756-L71S GuardLogix controller from Allen-Bradley has been designed and manufactured as a member of the ControlLogix series. The GuardLogix controllers like the 1756-L71S controller come with both the standard ControlLogix controller features and additional safety features. The 1756-L71S GuardLogix controller supports both standard and safety communication through the ControlNet, DeviceNet, and EtherNet/IP industrial networks. This controller can work with safety partner modules like the Allen-Bradley 1756-L7SP and 1756-L7SPK modules. The 1756-L71S GuardLogix controller?s memory includes 0.98 MB of I/O memory, 1 MB of safety memory, and 2 MB of user memory.
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Description: The 1756-L71S GuardLogix controller from Allen-Bradley has been designed and manufactured as a member of the ControlLogix series. The GuardLogix controllers like the 1756-L71S controller come with both the standard ControlLogix controller features and additional safety features. The 1756-L71S GuardLogix controller supports both standard and safety communication through the ControlNet, DeviceNet, and EtherNet/IP industrial networks. This controller can work with safety partner modules like the Allen-Bradley 1756-L7SP and 1756-L7SPK modules. The 1756-L71S GuardLogix controller?s memory includes 0.98 MB of I/O memory, 1 MB of safety memory, and 2 MB of user memory.

DO Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with DO Supply's 1-year warranty

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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Revisions: Ser A Ser B 

Warranty: 1 year DO Supply Warranty Included
Shipping: Worldwide shipping via UPS, DHL, and TNT
Repairs: We offer repair service for the 1756-L71S.
Exchange: Exchange credit for your defective unit available.
Conditions: We sell preowned surplus and refurbished parts.

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Rated 4.6 with 13 reviews

    Technical Specifications for 1756-L71S

ManufacturerRockwell Automation
BrandAllen-Bradley
RedundancyNot supported
Optional Communication adapters• EtherNet/IP • ControlNet • DeviceNet
Built-in communication1 USB port
Event TasksAll triggers
Programs per task100 programs
No. of safety task1
No. of standard task31
Maximum Analog I/O4000
Maximum I/O128000
Non-volatile memory1GB (ships with the controller)
Safety Memory1 MB
Product TypeProgrammable Automation Controller
Part Number/Catalog No.1756-L71S
SeriesGuardLogix 5570
Module TypeProcessor Module
User Memory2 MB
I-O Memory0.98 MB
Maximum I-O128,000
Maximum Analog I-O4,000
Maximum Digital I-O128,000
Current Draw (1.2 Volts DC)5 Miliamperes
Current Draw (5.1 Volts DC)800 Miliamperes
Power Dissipation2.5 Watts
Thermal Dissipation 8.5 BTU per hour
Isolation Voltage30 Volts Continuous
EnclosureNone (Open-Style)
UPC10885630016464
ManufacturerRockwell Automation
BrandAllen-Bradley
RedundancyNot supported
Optional Communication adapters• EtherNet/IP • ControlNet • DeviceNet
Built-in communication1 USB port
Event TasksAll triggers
Programs per task100 programs
No. of safety task1
No. of standard task31
Maximum Analog I/O4000
Maximum I/O128000
Non-volatile memory1GB (ships with the controller)
Safety Memory1 MB
Product TypeProgrammable Automation Controller
Part Number/Catalog No.1756-L71S
SeriesGuardLogix 5570
Module TypeProcessor Module
User Memory2 MB
I-O Memory0.98 MB
Maximum I-O128,000
Maximum Analog I-O4,000
Maximum Digital I-O128,000
Current Draw (1.2 Volts DC)5 Miliamperes
Current Draw (5.1 Volts DC)800 Miliamperes
Power Dissipation2.5 Watts
Thermal Dissipation 8.5 BTU per hour
Isolation Voltage30 Volts Continuous
EnclosureNone (Open-Style)
UPC10885630016464
s

About 1756-L71S

The Allen-Bradley 1756-L71S is a GuardLogix 5570 controller that is a part of the Logix5000 family of controllers. It is a ControlLogix controller with safety features. It is a dual processor solution which must be used with a 1756-L7SP safety module to meet SIL 3 or Cat. 4/PLe safety standards. The safety partner controller is automatically configured, providing major benefit being a single project. It has great processing capabilities and speed for motion and high-performance logic. It has a USB port for communication and it can support up to 500 controller connections. The 1756-L71S controller has 2MB of user memory, 1MB Safety Memory, and 0.98MB of I/O memory. It can support 128,000 digital I/O and 4000 Analog I/O. It draws a current of 5mA at 1.2V DC and 800mA at 5.1V DC. Its power dissipation is 2.5W and its thermal dissipation is 8.5 BTU/hr. It weighs 0.55lbs and has an isolation voltage of 30V (continuous) for basic insulation. It can be installed in any slot in a ControlLogix 1756 Chassis. For safe communication, it uses ControlNet, DeviceNet, or EtherNet/IP networks. The 1756-L71S controller can control or monitor I/O over the backplane or through I/O links. For controller diagnostics, it has a front display that provides runtime information. It functions using the 1756-ESMCAP and the 1756-ESMCAPK Energy Storage Module, which means that lithium batteries are not needed. A 1 GB (1784-SD1) Secure Digital card comes pre-installed as an optional non-volatile storage which can be expanded up to 2 GB (1784-SD2).

The 1756-L71S mainly features 2 MB standard user memory, 1 MB Safety memory, 0.98 MB I/O memory and 1 GB non-volatile memory provided by the pre-supplied 1784-SD1 that ships with the controller. Similar to standard ControlLogix controllers, the 1756-L71S has 1 USB communication port used for programming, hardware configuration and online editing. This controller is capable of handling up to 128,000 Discrete I/O points and 4000 Analog I/O points.

The 1756-L71S performs both standard and safety functions. Standard functions include I/O control, Logic, Timing, Counting, Report generation, Communication, Arithmetic computations and data file manipulation. Safety functions are communicated by the primary controller to the partner safety controller. The 1756-L71S does not support controller redundancy and programmed using programming languages such as Relay Ladder Logic (RLL), Structured Text, Function Block Diagram, Sequential Function Chart (SFC). For programming of safety task, only Relay Ladder Logix is permitted.

Safety communication options supported by the 1756-L71S includes Ethernet I/P, ControlNet and DevideNet. If used with 1756-CN2/A, 100 ControlNet connections is supported, 40 with 1756-CNB/D, 1756-CNB/E, and 128 with 1756-CN2/B. For Ethernet, 256 EtherNet/IP; 128 TCP connections is allowed using 1756-EN2x and 128 EtherNet/IP; 64 TCP with 1756-ENBT.

FAQ for 1756-L71S

Does the 1756-L71S require a partner controller to function?


Yes. It needs the 1756-L71SP as the partner controller to carry out safety task.

What is the embedded communication interface of the 1756-L71S?


The 1756-L71S has 1 USB communication interface.

Do the 1756-L71S support controller redundancy?


No. Redundancy ins not supported by this controller.

Technical Description of 1756-L71S

The Allen-Bradley 1756-L71S is a 5570 GuardLogix Programmable Automation Controller (PAC). This controller features standard and integrated safety functions, embedded with 2 MB user memory, 1MB Safety memory, I/O memory of 0.98 MB and 1 GB non-volatile memory via the 1784-SD1 that ships with the controller. It has 1 USB communication port and supports interfacing of up to 128,000 Discrete I/O and 4000 Analog I/O memory. This controller is Safety Integrity Level (SIL) 3 certified.

Repair Services for 1756-L71S

Type Lead Time Price Action
Repair Service 2-4 weeks $1814cartAdd to Cart

Our highly skilled technicians can repair your 1756-L71S. All of our repairs come with a 1 Year DO Supply Warranty. Please contact us for additional information about our repair process.

Revisions for 1756-L71S

Please refer to the manual for more information about the 1756-L71S such as the wiring diagrams, data sheets and migration or obsolescence details.

Revision Part # Also Known as Availability
1756-L71S Ser A
1756-L71S/A, Series A, Rev A Request Quote
1756-L71S Ser B
1756-L71S/B, Series B, Rev B Request Quote
Common misspellings:
  • l756-L71S
  • 1756-171S
  • 1756-L7lS
  • 1756L71S

Reviews for 1756-L71S

Memory

"This ControlLogix Module contains 2 Mb User Memory, additionally this unit has 0.98 Mb Input/Output memory.This AB 1756-L71S has less memory than other ControlLogix Processors. " -DO Supply Tech

Internal Review

"The 1756-L71S is a GuardLogix controller. This controller supports implementation of both standard and safety functions and provided with 2 MB standard user memory and 1 MB safety memory. Compared to other GuardLogix controller, the 1756-L71S is the entry level 5570 GuardLogix controller, having the minimum specifications. " -DO Supply Tech

Dimensions For 1756-L71S

Size
Input Type
Panel Cutout Height in mm
Panel Cutout Width in mm
Terminal Height in mm
Terminal Width in mm
Terminal Overall Depth in mm
Terminal Mounted Depth in mm

Dimensions For 1756-L71S

Resolutions For 1756-L71S

About

Technical Specifications for 1756-L71S

ManufacturerRockwell Automation
BrandAllen-Bradley
RedundancyNot supported
Optional Communication adapters• EtherNet/IP • ControlNet • DeviceNet
Built-in communication1 USB port
Event TasksAll triggers
Programs per task100 programs
No. of safety task1
No. of standard task31
Maximum Analog I/O4000
Maximum I/O128000
Non-volatile memory1GB (ships with the controller)
Safety Memory1 MB
Product TypeProgrammable Automation Controller
Part Number/Catalog No.1756-L71S
SeriesGuardLogix 5570
Module TypeProcessor Module
User Memory2 MB
I-O Memory0.98 MB
Maximum I-O128,000
Maximum Analog I-O4,000
Maximum Digital I-O128,000
Current Draw (1.2 Volts DC)5 Miliamperes
Current Draw (5.1 Volts DC)800 Miliamperes
Power Dissipation2.5 Watts
Thermal Dissipation 8.5 BTU per hour
Isolation Voltage30 Volts Continuous
EnclosureNone (Open-Style)
UPC10885630016464
ManufacturerRockwell Automation
BrandAllen-Bradley
RedundancyNot supported
Optional Communication adapters• EtherNet/IP • ControlNet • DeviceNet
Built-in communication1 USB port
Event TasksAll triggers
Programs per task100 programs
No. of safety task1
No. of standard task31
Maximum Analog I/O4000
Maximum I/O128000
Non-volatile memory1GB (ships with the controller)
Safety Memory1 MB
Product TypeProgrammable Automation Controller
Part Number/Catalog No.1756-L71S
SeriesGuardLogix 5570
Module TypeProcessor Module
User Memory2 MB
I-O Memory0.98 MB
Maximum I-O128,000
Maximum Analog I-O4,000
Maximum Digital I-O128,000
Current Draw (1.2 Volts DC)5 Miliamperes
Current Draw (5.1 Volts DC)800 Miliamperes
Power Dissipation2.5 Watts
Thermal Dissipation 8.5 BTU per hour
Isolation Voltage30 Volts Continuous
EnclosureNone (Open-Style)
UPC10885630016464

About 1756-L71S

The Allen-Bradley 1756-L71S is a GuardLogix 5570 controller that is a part of the Logix5000 family of controllers. It is a ControlLogix controller with safety features. It is a dual processor solution which must be used with a 1756-L7SP safety module to meet SIL 3 or Cat. 4/PLe safety standards. The safety partner controller is automatically configured, providing major benefit being a single project. It has great processing capabilities and speed for motion and high-performance logic. It has a USB port for communication and it can support up to 500 controller connections. The 1756-L71S controller has 2MB of user memory, 1MB Safety Memory, and 0.98MB of I/O memory. It can support 128,000 digital I/O and 4000 Analog I/O. It draws a current of 5mA at 1.2V DC and 800mA at 5.1V DC. Its power dissipation is 2.5W and its thermal dissipation is 8.5 BTU/hr. It weighs 0.55lbs and has an isolation voltage of 30V (continuous) for basic insulation. It can be installed in any slot in a ControlLogix 1756 Chassis. For safe communication, it uses ControlNet, DeviceNet, or EtherNet/IP networks. The 1756-L71S controller can control or monitor I/O over the backplane or through I/O links. For controller diagnostics, it has a front display that provides runtime information. It functions using the 1756-ESMCAP and the 1756-ESMCAPK Energy Storage Module, which means that lithium batteries are not needed. A 1 GB (1784-SD1) Secure Digital card comes pre-installed as an optional non-volatile storage which can be expanded up to 2 GB (1784-SD2).

The 1756-L71S mainly features 2 MB standard user memory, 1 MB Safety memory, 0.98 MB I/O memory and 1 GB non-volatile memory provided by the pre-supplied 1784-SD1 that ships with the controller. Similar to standard ControlLogix controllers, the 1756-L71S has 1 USB communication port used for programming, hardware configuration and online editing. This controller is capable of handling up to 128,000 Discrete I/O points and 4000 Analog I/O points.

The 1756-L71S performs both standard and safety functions. Standard functions include I/O control, Logic, Timing, Counting, Report generation, Communication, Arithmetic computations and data file manipulation. Safety functions are communicated by the primary controller to the partner safety controller. The 1756-L71S does not support controller redundancy and programmed using programming languages such as Relay Ladder Logic (RLL), Structured Text, Function Block Diagram, Sequential Function Chart (SFC). For programming of safety task, only Relay Ladder Logix is permitted.

Safety communication options supported by the 1756-L71S includes Ethernet I/P, ControlNet and DevideNet. If used with 1756-CN2/A, 100 ControlNet connections is supported, 40 with 1756-CNB/D, 1756-CNB/E, and 128 with 1756-CN2/B. For Ethernet, 256 EtherNet/IP; 128 TCP connections is allowed using 1756-EN2x and 128 EtherNet/IP; 64 TCP with 1756-ENBT.

FAQ for 1756-L71S

Does the 1756-L71S require a partner controller to function?


Yes. It needs the 1756-L71SP as the partner controller to carry out safety task.

What is the embedded communication interface of the 1756-L71S?


The 1756-L71S has 1 USB communication interface.

Do the 1756-L71S support controller redundancy?


No. Redundancy ins not supported by this controller.

Technical Description of 1756-L71S

The Allen-Bradley 1756-L71S is a 5570 GuardLogix Programmable Automation Controller (PAC). This controller features standard and integrated safety functions, embedded with 2 MB user memory, 1MB Safety memory, I/O memory of 0.98 MB and 1 GB non-volatile memory via the 1784-SD1 that ships with the controller. It has 1 USB communication port and supports interfacing of up to 128,000 Discrete I/O and 4000 Analog I/O memory. This controller is Safety Integrity Level (SIL) 3 certified.
Repairs
Type Lead Time Price Action
Repair Service 2-4 weeks $1814cartAdd to Cart

Our highly skilled technicians can repair your 1756-L71S. All of our repairs come with a 1 Year DO Supply Warranty. Please contact us for additional information about our repair process.

Type Lead Time Price Action
Repair Service 2-4 weeks $1814cartAdd to Cart

Our highly skilled technicians can repair your 1756-L71S. All of our repairs come with a 1 Year DO Supply Warranty. Please contact us for additional information about our repair process.

Revisions

Please refer to the manual for more information about the 1756-L71S such as the wiring diagrams, data sheets and migration or obsolescence details.

Revision Part # Also Known as Availability
1756-L71S Ser A
1756-L71S/A, Series A, Rev A Request Quote
1756-L71S Ser B
1756-L71S/B, Series B, Rev B Request Quote

Common misspellings:
  • l756-L71S
  • 1756-171S
  • 1756-L7lS
  • 1756L71S
PDF
Reviews

Reviews for 1756-L71S

Memory

"This ControlLogix Module contains 2 Mb User Memory, additionally this unit has 0.98 Mb Input/Output memory.This AB 1756-L71S has less memory than other ControlLogix Processors. " -DO Supply Tech

Internal Review

"The 1756-L71S is a GuardLogix controller. This controller supports implementation of both standard and safety functions and provided with 2 MB standard user memory and 1 MB safety memory. Compared to other GuardLogix controller, the 1756-L71S is the entry level 5570 GuardLogix controller, having the minimum specifications. " -DO Supply Tech