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Allen-Bradley ControlLogix 5570 1756-L75 32 MB Controller with USB and SD Memory | Original New

Allen-Bradley ControlLogix 5570 1756-L75 32 MB Controller with USB and SD Memory | Original New

ALLEN-BRADLEY | CONTROLLOGIX 5570

1756-L75

ControlLogix 5570 Controller with 32 MB Memory, USB Port and Alphanumeric Display

32 MB USER MEMORY | 0.98 MB I/O MEMORY | USB 2.0 | PREINSTALLED 1 GB SD CARD | 100 MOTION AXES

LEAD TIME: In stock

WARRANTY: 1 year

Email Inquiry [email protected]

WhatsApp +86 18159889985

Appurtenance:

Overview
Technical Data
Inquiry
Functions
Interfaces
Installation
Environment
FAQ
Recommend Models
Recommended Products

ALLEN-BRADLEY CONTROLLOGIX 5570

1756-L75 32 MB Controller

A chassis-based programmable automation controller for high-capacity logic, I/O, motion and redundant ControlLogix applications.

Memory
32 MB user memory
0.98 MB I/O memory

Local Access
USB 2.0 full speed
temporary programming port

Storage
1 GB 1784-SD1
ships preinstalled

Selection summary
The exact catalog number 1756-L75 identifies the 32 MB ControlLogix 5570 standard controller. It supports up to 128,000 digital I/O, 4,000 analog I/O, 500 controller connections and 100 motion axes. Network access is provided through compatible ControlLogix communication modules; the controller itself does not include an embedded network port.

Official references
Rockwell Automation product page: 1756-L75 | ControlLogix 32 MB Controller.
Technical data: publication 1756-TD001W-EN-P, ControlLogix and GuardLogix Controllers Technical Data, pages 54-55.
User manual: publication 1756-UM001.

Technical Data

Complete model	1756-L75
Product family	Allen-Bradley ControlLogix 5570
Product type	Chassis-based programmable automation controller
Official description	ControlLogix 5570 controller with 32 MB memory, USB port and 4-character alphanumeric display
User memory	32 MB
I/O memory	0.98 MB
Nonvolatile memory	1 GB Secure Digital card 1784-SD1, preinstalled
Digital I/O maximum	128,000
Analog I/O maximum	4,000
Motion axes supported	100
Local programming port	1 USB; USB 2.0 full speed, 12 Mbps
Current draw	5 mA at 1.2V DC; 800 mA at 5.1V DC
Power dissipation	2.5 W
Isolation voltage	30V continuous, basic insulation, USB port to backplane
Dimensions	One ControlLogix chassis slot; physical envelope defined by the official product drawing (DXF)
Weight	Approximately 0.25 kg (0.55 lb)
Mounting	ControlLogix chassis, any slot
Operating temperature	0 to 60 C (32 to 140 F)
Storage temperature	-40 to 85 C (-40 to 185 F)
Relative humidity	5 to 95%, noncondensing
Enclosure rating	None; open-style equipment
Certifications	CE, UL Listed, UL Listed Hazardous, ATEX, IECEx, RCM, KC and other product-specific approvals listed by Rockwell Automation

Inquiry

CONTACT

STELLA

Email Inquiry [email protected]

WhatsApp +86 18159889985

Functions

High-capacity control
32 MB of user memory and 0.98 MB of I/O memory support large logic, data and documentation requirements in ControlLogix applications.

Task and program organization
Supports 32 controller tasks and, with current Logix Designer revisions, up to 1000 programs per task for structured application design.

Motion and redundancy
Supports integrated motion through compatible SERCOS, analog and EtherNet/IP motion interfaces, with full controller redundancy support.

Programming languages
Relay ladder logic, structured text, function block diagram and sequential function chart are supported in the Logix environment.

Interfaces

Local USB interface
One USB 2.0 full-speed port is provided for temporary programming, configuration, firmware update and online edits.

Network architecture
No embedded network port is present. EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, SERCOS and third-party networks are implemented through compatible ControlLogix communication modules.

Controller connections
Up to 500 controller connections are supported. Per-network capacity depends on the selected communication module.

Removable storage
The preinstalled 1784-SD1 Secure Digital card provides 1 GB of nonvolatile storage for controller projects and firmware operations.

Installation

Chassis mounting
Install the controller in one slot of a compatible 1756 ControlLogix chassis. The module may occupy any chassis slot allowed by the system design.

Power coordination
Verify the chassis power supply and power budget for 5 mA at 1.2V DC and 800 mA at 5.1V DC before installation.

System compatibility
Choose compatible 1756 chassis, power supply, communication and motion modules, then confirm firmware and Studio 5000 Logix Designer compatibility for the complete system.

Commissioning
Use the USB port only for temporary local engineering. Rockwell Automation states that the USB port is not intended for permanent connection and must not be used in hazardous locations.

Environment

Operating range
0 to 60 C
5 to 95% RH, noncondensing

Nonoperating range
-40 to 85 C
Open-style equipment

Environmental design
The standard 1756-L75 is not conformal coated. Install it inside a suitable enclosure that provides the required environmental protection for the application.

Compliance framework
Official specifications reference IEC 60068 environmental testing and IEC 61000 immunity/emissions standards. Product approvals listed by Rockwell Automation include CE, UL, ATEX, IECEx, RCM and KC; verify the markings on the supplied unit.

FAQ

Q1. How can a buyer verify that the quoted controller is the exact 1756-L75?
Require a clear label photo showing catalog number 1756-L75 and series, then match it to the official description: ControlLogix 5570 controller with 32 MB user memory, 0.98 MB I/O memory, USB port and SD storage.

Q2. How can New, Used or Refurbished condition be distinguished?
Ask for current photos of the enclosure, label, USB cover, display, backplane connector and energy-storage-module area. New condition should be supported by intact packaging and consistent serial and date-code evidence, not only a written claim.

Q3. How should the supplier be checked before purchase?
Verify the legal company name, business registration, bank beneficiary, physical contact details and a traceable sales history. Ask the supplier to demonstrate possession of the exact 1756-L75 shown in the quotation.

Q4. Which specifications should an engineer verify before ordering?
Confirm 32 MB user memory, 0.98 MB I/O memory, one-slot ControlLogix chassis installation, USB local programming, 1784-SD1 storage, required communication modules, firmware revision, chassis power budget and 0 to 60 C operating range.

Q5. What physical evidence should be requested before payment?
Request timestamped photos or video showing the 1756-L75 label, serial number, series, 4-character display, USB port, SD card, backplane connector, packaging and any included energy storage module.

Q6. Can a similar 1756-L7x suffix replace 1756-L75?
Not automatically. Other 1756-L7x controllers differ in user memory, coating, motion or safety capability and lifecycle. A substitution requires engineering review of memory capacity, firmware, redundancy, motion, chassis and certification requirements.

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