AB 1756-L63S
AB 1756-L63S
AB 1756-L63S
AB 1756-L63S
AB 1756-L63S
AB 1756-L63S
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  • Lifecycle status

    Discontinued
    Discontinued date: 2017-06-01
    Replacement category: Functional Replacement
    Functional replacement: 1756-L73S

1756-L63S

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Allen-Bradley 1756-L63S is an 8 MB/4 MB GuardLogix controller using a 1756-LSP safety partner, RS-232 programming and CompactFlash storage.
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Technical specifications for 1756-L63S

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1756-L63S
  • Product Family:
    ControlLogix
  • Product Type:
    GuardLogix 8 MB Standard Memory Controller
  • Stock:
    1
  • Standard memory:
    8 MB
  • Safety memory:
    4 MB
  • Local programming:
    1 RS-232 port
  • Motion axes supported:
    100
  • Nonvolatile storage:
    CompactFlash
  • Replacement battery:
    1756-BA2
  • Controller identity:
    ControlLogix 5563S GuardLogix controller
  • Safety task and components user memory:
    3.75 MB
  • Matched safety partner:
    1756-LSP
  • Programming software:
    RSLogix 5000 software, version 16 or later
  • 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 Identity Storage & Service Functional Replacement Application
  • Retain the validated GuardLogix safety project rather than treating this as a standard ControlLogix controller
  • Use the RS-232 programming connection and CompactFlash arrangement specified for this controller generation
  • Check safety memory, firmware and partner-device compatibility before commissioning

1756-L63S is an Allen-Bradley GuardLogix controller for ControlLogix systems requiring both standard control and safety control.

Its published controller features include 8 MB standard memory, 4 MB safety memory, one RS-232 programming connection, CompactFlash storage and support for up to 100 motion axes.

A replacement must be evaluated as a safety-system change: confirm project identity, firmware, chassis arrangement, safety partners and the validation record before returning the machine to service.

Availability, condition, price, and shipping time for 1756-L63S are confirmed during quotation.

Allen-Bradley 1756-L63S GuardLogix Controller Manuals, Product Family, 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.

  • Keep the 4 MB safety-memory identity distinct from a standard 1756-L63 controller
  • Verify the GuardLogix safety application and validation record before enabling safety functions
  • Confirm safety-partner hardware and project configuration as part of the replacement scope
  • Use the listed CompactFlash storage arrangement for this controller generation
  • Plan for the published RS-232 programming connection rather than assuming a USB port
  • Confirm the 1756-BA2 replacement-battery requirement against the installed controller
  • Rockwell Automation identifies 1756-L73S as the functional replacement
  • Assess controller-generation, firmware and project migration before substituting the replacement
  • Revalidate the complete safety function after any controller-generation change
  • ControlLogix GuardLogix machine safety applications
  • Integrated standard-control and safety-control architectures
  • Safety motion systems requiring the controller’s published 100-axis capability
Description
1756-L63S is an Allen-Bradley GuardLogix controller for ControlLogix safety and standard-control applications.

Rockwell Automation specifies 8 MB standard memory, 4 MB safety memory, one RS-232 programming connection, CompactFlash storage, 100 motion axes, and a 1756-BA2 replacement battery.

It is a safety-controller identity, not a standard 1756-L63 substitute; keep the approved GuardLogix safety project, firmware, chassis and partner components together.
Revisions

Revision Part #

Also known as

1756-L63S Ser B
1756-L63S/B, Series B, Rev B
Alternative Names
1756-L63S 1756 L63S 1756L63S Allen-Bradley 1756-L63S Rockwell Automation 1756-L63S GuardLogix 1756-L63S
Technical notes
1756-L63S is a GuardLogix identity; retain its validated safety project, v20.018 firmware context, RS-232 connection, CompactFlash arrangement and 1756-BA2 battery.
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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.
Can Allen-Bradley 1756-L63S replace a standard 1756-L63 controller?
No. Allen-Bradley 1756-L63S is a GuardLogix safety controller with dedicated safety memory and safety application architecture; a standard 1756-L63 does not provide that safety function.
What must remain with Allen-Bradley 1756-L63S during replacement?
Keep the approved GuardLogix safety application, firmware revision, chassis arrangement, controller keying, and machine validation record with Allen-Bradley 1756-L63S.
Can Allen-Bradley 1756-L63S use USB programming like newer GuardLogix controllers?
No USB programming port is listed for Allen-Bradley 1756-L63S. Rockwell Automation lists one local RS-232 programming connection; plan the correct cable and workstation interface.
Does moving a CompactFlash card make another Allen-Bradley 1756-L63S ready for service?
No. The card is only one configuration item. Safety signature, firmware, controller revision, and validated safety project must also match the installed system.
Is Allen-Bradley 1756-L73S an ordinary drop-in replacement for 1756-L63S?
Rockwell identifies 1756-L73S as the functional replacement. Review memory, firmware, migration, and safety-validation requirements before changing controller generation.
Why can Allen-Bradley 1756-L63S communicate but refuse safety operation?
Communication alone does not validate a GuardLogix safety application. Check safety-project identity, signatures, firmware compatibility, and all safety-partner configuration.
What should be included in a maintenance plan for Allen-Bradley 1756-L63S?
Document approved shutdown steps, safety-project backup, signature verification, firmware record, partner configuration, battery condition, and post-service validation before returning Allen-Bradley 1756-L63S to operation.

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