AB 1747-L553
AB 1747-L553
AB 1747-L553
AB 1747-L553
AB 1747-L553
AB 1747-L553
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  • Lifecycle status

    Discontinued
    Discontinued date: 2024-03-31
    Replacement category: Engineering Replacement

1747-L553

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Allen-Bradley 1747-L553 is a 64K SLC 5/05 controller that executes SLC 500 control programs and communicates through Ethernet and RS-232.
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Technical specifications for 1747-L553

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1747-L553
  • Product Family:
    SLC 500
  • Product Type:
    SLC 5/05 64K Controller
  • Stock:
    1
  • Controller type:
    SLC 5/05
  • Memory:
    64K words
  • Communications:
    Ethernet and RS-232
  • Maximum chassis:
    3
  • Maximum slots:
    30
  • Maximum I/O:
    4096
  • Backplane current at 5 V:
    1.0 A
  • Backplane current at 24 V:
    0 A
  • Bit execution time:
    0.37 µs
  • Optional nonvolatile memory:
    Flash EEPROM
  • Programming software:
    RSLogix 500
  • Compatible power supplies:
    1746-P1 through 1746-P7
  • 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 Processing Communications Memory & Expansion Application
  • Executes SLC 500 control with 64K words of memory
  • Provides Ethernet and RS-232 communications
  • Supports modular SLC 500 stations with verified power and slot capacity

Allen-Bradley 1747-L553 is the 64K SLC 5/05 controller for modular SLC 500 systems.

Selection requires confirmation of the processor Series, project memory, network load, I/O count and compatibility with the installed chassis hardware.

Before replacement, archive the RSLogix 500 project, channel settings, IP configuration, data tables, firmware and current diagnostics.

Availability, condition, price, and shipping time for 1747-L553 are confirmed during quotation.

Allen-Bradley 1747-L553 SLC 5/05 64K 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.

  • Provides 64K words for the SLC 5/05 application
  • Supports the documented 4096-I/O maximum
  • Uses RSLogix 500 for project development and maintenance
  • Provides Ethernet for controller and plant-network data
  • Provides RS-232 for supported serial communication
  • Requires preserved IP, channel and message-path settings during replacement
  • Supports up to three chassis and 30 slots
  • Accepts optional Flash EEPROM for nonvolatile storage
  • Requires backplane-current and I/O-capacity checks for the full station
  • Ethernet-connected SLC 500 machine control
  • Modular SLC 500 process skids with local and expansion I/O
  • Legacy SLC 5/05 control systems requiring a 64K processor
Description
Allen-Bradley 1747-L553 is the 64K SLC 5/05 processor for modular SLC 500 control systems.

It executes the control program, manages up to the documented SLC I/O capacity and exchanges data through its Ethernet and RS-232 communication interfaces.

It is used in machine and process control systems that retain the SLC 500 architecture and require a verified project, network configuration and chassis power design.
Revisions

Revision Part #

Also known as

1747-L553 Ser A
1747-L553/A, Series A, Rev A
1747-L553 Ser B
1747-L553/B, Series B, Rev B
1747-L553 Ser C
1747-L553/C, Series C, Rev C
1747-L553 Ser D
1747-L553/D, Series D, Rev D
Alternative Names
1747-L553 1747 L553 1747L553 Allen-Bradley 1747-L553 Allen Bradley 1747-L553 Allen-Bradley 1747 L553 Rockwell Automation 1747-L553 SLC 5/05 1747-L553 SLC 500 1747-L553 Allen-Bradley SLC 5/05 1747-L553
Technical notes
Allen-Bradley 1747-L553 is the 64K SLC 5/05 processor; processor Series and Ethernet behavior must match the installed system. Preserve the complete project and network record before replacement.
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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 1747-L553 replace another SLC 5/05 processor without project changes?
Not automatically. Compare the processor catalog number, Series, operating-system revision, memory usage, communication configuration and every configured I/O and message path before replacement.
What must be backed up before replacing Allen-Bradley 1747-L553?
Save the complete RSLogix 500 project, current data-table values, Ethernet and serial-channel settings, message configuration, processor revision information and active diagnostics.
Why can Allen-Bradley 1747-L553 be reachable by Ethernet while machine I/O remains faulted?
Compare the RSLogix 500 I/O Configuration with the physical chassis, slot order and connected expansion chassis. Also verify module power, seating and that the correct project was downloaded.
Can Allen-Bradley 1747-L553 be moved to a different SLC chassis slot?
No. The SLC 5/05 processor must be installed in Slot 0 of the primary chassis. The remaining slots are used for supported I/O and specialty modules.
How should Ethernet settings be restored on Allen-Bradley 1747-L553?
Use the approved machine network record, confirm the IP address is unique, restore the subnet mask and gateway where required, then verify message instructions, HMI connections and supervisory communication.
Why can Allen-Bradley 1747-L553 lose retained values after replacement?
The processor uses battery-backed CMOS RAM. Confirm that the correct program and data image were restored, check the BATT indicator and backup battery condition, and verify that first-scan logic did not reinitialize required values.
How should Allen-Bradley 1747-L553 be accepted after installation?
Verify processor identity, chassis and I/O configuration, Ethernet and RS-232 communication, message paths, retained data and diagnostics before completing a controlled machine cycle.

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