AB 1756-L62S
AB 1756-L62S
AB 1756-L62S
AB 1756-L62S
AB 1756-L62S
AB 1756-L62S
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  • Lifecycle status

    Discontinued
    Discontinued date: 2017-06-01
    Replacement category: Functional Replacement
    Engineering replacement: 1756-L72S

1756-L62S

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Allen-Bradley 1756-L62S is a discontinued GuardLogix safety controller with 4 MB standard memory and a listed 1756-L72S functional replacement.
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Technical specifications for 1756-L62S

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1756-L62S
  • Product Family:
    ControlLogix
  • Product Type:
    GuardLogix Safety Controller, 4 MB Standard Memory
  • Stock:
    1
  • Standard memory:
    4 MB
  • Embedded communication port:
    None
  • Local communication:
    One RS-232 port
  • Motion capability:
    100 axes
  • Replacement battery:
    1756-BA2
  • Functional replacement:
    1756-L72S
  • Safety memory:
    2 MB
  • Safety architecture:
    1oo2 primary controller and safety partner
  • Required safety partner:
    1756-LSP
  • Safety-partner placement:
    immediately to the right of the 1756-L62S
  • Safety capability:
    up to SIL 3 / Performance Level e
  • Weight:
    0.32 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Safety Migration Safety Partner Match System Record Application
  • 4 MB standard memory and 2 MB safety memory for the Series B controller
  • Requires a 1756-LSP safety partner in the immediately adjacent right-hand slot
  • 1756-L72S is the manufacturer-listed functional replacement

1756-L62S is a Series B GuardLogix safety controller for applications up to SIL 3 and Performance Level e.

The primary controller operates with a 1756-LSP safety partner, and their major and minor firmware revisions must match.

Preserve the safety project and validation record, then verify partner placement, firmware, safety I/O, and replacement scope before service.

Availability, condition, price, and shipping time for 1756-L62S are confirmed during quotation.

Allen-Bradley 1756-L62S GuardLogix Controller Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Use the listed 1756-L72S functional replacement with a controlled safety migration
  • Validate controller, safety I/O, application and network architecture together
  • Complete required safety validation before production use
  • Use a 1756-LSP as the required safety partner for 1756-L62S
  • Install the safety partner immediately to the right of the primary controller
  • Match the major and minor firmware revisions of the controller and safety partner
  • Record the 1756-BA2 battery arrangement before controller service
  • Identify installed RS-232 and external network components
  • Review the actual motion and safety project before replacement
  • SIL 3 and Performance Level e machine-safety control with a matched 1756-LSP
  • Safety-mat and guarded-machine applications using validated GuardLogix logic
  • Distributed CIP Safety systems using compatible remote safety I/O
Description
1756-L62S is an Allen-Bradley GuardLogix controller with 4 MB standard memory and 2 MB safety memory. It is a safety primary controller and operates with a separately installed 1756-LSP safety partner.

The GuardLogix safety architecture uses the primary controller and safety partner together in a 1oo2 arrangement for functional-safety applications up to SIL 3 and Performance Level e. The safety partner must occupy the slot immediately to the right of the 1756-L62S.

Before replacement or recommissioning, verify the 1756-LSP safety partner, the exact matching major and minor firmware revisions, safety task signature, CompactFlash project archive, 1756-BA2 battery condition, installed communication modules and validated safety application.
Revisions

Revision Part #

Also known as

1756-L62S Ser B
1756-L62S/B, Series B, Rev B
Alternative Names
1756-L62S Allen-Bradley 1756 L62S Allen Bradley 1756-L62S 1756 L62S ControlLogix 1756-L62S
Technical notes
1756-L62S is discontinued with 1756-L72S listed as functional replacement; safety-memory evidence conflicts, so verify exact installed hardware before migration.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What should be checked before migrating an Allen-Bradley 1756-L62S safety application to a newer controller?
Rockwell lists 1756-L72S as a functional replacement. Compare safety behavior, firmware, partner compatibility, I/O, communications, validation records, and migration tools before scheduling the change.
Which safety partner and slot placement are required for Allen-Bradley 1756-L62S?
Use a 1756-LSP and install it immediately to the right of the 1756-L62S. The major and minor firmware revisions of both modules must match.
How should plant communications be planned around Allen-Bradley 1756-L62S?
Treat networking as external architecture: identify chassis communication modules, protocol settings, addresses, produced or consumed tags, safety data paths, and required network validation before commissioning.
Can Allen-Bradley 1756-L62S safety logic be moved to 1756-L72S without revalidation?
No. The functional replacement must be evaluated with the complete safety application, firmware, I/O, network architecture, and required validation procedure.
Why is the 1756-BA2 battery relevant to Allen-Bradley 1756-L62S service?
The manufacturer page identifies 1756-BA2 as the replacement battery. Confirm the actual installed battery and follow the approved maintenance procedure.
What system capacity must be reviewed when replacing Allen-Bradley 1756-L62S?
Review the complete controller project, motion configuration, chassis, safety architecture, and network modules. The installed application determines whether the documented capacity is suitable.
What should be supplied when requesting an Allen-Bradley 1756-L62S replacement?
Supply clear photos of the complete label, safety application and firmware record, chassis layout, safety I/O inventory, networks, battery condition, and replacement reason.