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1747-L541

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1747-L541 is an Allen-Bradley SLC 5/04 processor with 16K words of total memory, DH+, and RS-232 communication. It is designed for networked modular SLC 500 control systems requiring fast program execution and chassis I/O coordination.
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Technical specifications for 1747-L541

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1747-L541
  • Product Family:
    SLC 500
  • Product Type:
    SLC 5/04 Controller
  • Stock:
    1
  • User Memory:
    16K words total
  • I/O Capacity:
    4096 inputs and 4096 outputs maximum
  • Communication:
    DH+ and RS-232
  • Program Scan:
    0.9 ms/K typical
  • I/O Scan:
    0.225 ms typical
  • Local Chassis:
    3 maximum
  • Local Module Slots:
    30 maximum
  • Backplane Current:
    1.0 A at 5V DC; 200 mA at 24V DC
  • Tariff Code:
    8537101190
  • Country of origin:
    Singapore
  • 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 Performance DH+ Connectivity Programming Environment

Features:

  • Provides 16K words of total memory for the SLC 5/04 control application and data.
  • Supports up to 4096 inputs and 4096 outputs in a modular SLC 500 system.
  • Combines Data Highway Plus and configurable RS-232 communication channels.

1747-L541 is the 16K-word SLC 5/04 processor configuration for a modular 1746 SLC 500 system. It is designed for applications that require fast program execution and Data Highway Plus connectivity.

The processor scans the stored control program, updates the chassis I/O image, and coordinates installed modules through the SLC backplane. Its typical program scan is 0.9 ms/K, and its typical I/O scan is 0.225 ms.

Confirm slot-0 placement, memory and I/O requirements, chassis power capacity, compatible 1746 modules, and the required DH+ and serial-channel settings before installation.

Availability: OEM-discontinued; contact Apter Power for quotation, documentation, and sourcing support.

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.

  • 1747-L541 provides 16K words of total memory: 12K words for program or data and 4K words reserved for data.
  • The processor supports up to 4096 inputs and 4096 outputs, with a typical program scan time of 0.9 ms/K and a typical I/O scan time of 0.225 ms.
  • It supports up to three local chassis and 30 local module slots, with a backplane load of 1.0 A at 5V DC and 200 mA at 24V DC.
  • Channel 1 provides Data Highway Plus communication for connection to a compatible DH+ network.
  • The DH+ channel supports communication with compatible SLC 5/04 processors, PLC processors, operator interfaces, and programming terminals.
  • Rockwell Automation identifies DH+ communication as three times faster than DH-485 communication in the SLC/1746 system.
  • 1747-L541 provides 16K words of total memory, including 12K words for program or data and 4K words reserved for data.
  • The processor executes the stored control program with a typical program scan time of 0.9 ms/K.
  • RSLogix 500 is used to configure the application program, data tables, processor mode, and communication-channel parameters.
  • The specified operating temperature range is 0 to 60 °C (32 to 140 °F).
  • The specified operating relative humidity range is 5 to 95 percent without condensation.
  • The modular SLC 500 hardware specification lists vibration acceleration of 2.5 g from 57 to 2,000 Hz.
Description
1747-L541 is an Allen-Bradley SLC 5/04 processor with 16K words of total memory. It allocates 12K words to program or data and reserves 4K words for data, providing processor memory for modular SLC 500 control and chassis I/O coordination.

The processor supports up to 4096 inputs and 4096 outputs, three local chassis, and 30 module slots. Typical program scan time is 0.9 ms/K, typical I/O scan time is 0.225 ms, and backplane current is 1.0 A at 5V DC plus 200 mA at 24V DC.

Channel 1 provides DH+ communication for Data Highway Plus networking. Channel 0 provides RS-232 communication and can also be configured for DH-485, supporting programming and serial communication requirements within the SLC 500 architecture.

Confirm the DH+ node settings, serial-channel configuration, memory size, chassis power, compatible modules, and stored application program before installation or processor replacement.
Alternative Names
1747 L541 1747L541 AB 1747-L541 Allen-Bradley 1747-L541 Allen Bradley 1747 L541 SLC 5/04 16K Controller
Technical notes
1747-L541 is an Allen-Bradley SLC 5/04 processor with 16K words of total memory, DH+, and RS-232 communication. It is used for modular SLC 500 control and networked chassis I/O.
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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 memory configuration does 1747-L541 use?
1747-L541 provides 16K words total, including 12K words for program or data and 4K words for data only.
Which network interfaces are available on 1747-L541?
1747-L541 provides a DH+ port and an RS-232 port; the RS-232 port can also be configured for DH-485.
What is the typical program scan time of 1747-L541?
Rockwell Automation lists a typical program scan time of 0.9 ms/K for 1747-L541.
What backplane current does 1747-L541 require?
1747-L541 requires 1.0 A at 5V DC and 200 mA at 24V DC from the SLC backplane.
When was 1747-L541 discontinued, and is an engineering replacement indicated?
Rockwell Automation discontinued 1747-L541 on December 31, 2021 and lists Engineering Replacement as the replacement category.
Where can I find 1747-L541 installation guidance or request a quotation?
Rockwell Automation publication 1747-IN009 provides installation guidance. Contact Apter Power for documentation and quotation support.