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1747-SCNR

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Allen-Bradley 1747-SCNR is an SLC ControlNet scanner with redundant A/B media ports and an RJ45 network access port.
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Technical specifications for 1747-SCNR

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1747-SCNR
  • Product Family:
    SLC 500
  • Product Type:
    ControlNet Scanner Module
  • Stock:
    1
  • ControlNet Node Address:
    01–99; 00 is invalid
  • Installation Position:
    Any chassis slot except the left-most slot of the first chassis
  • Configuration Software:
    RSNetWorx for ControlNet and RSLogix 500
  • Scan List Connections:
    Up to 64
  • ControlNet Media Ports:
    Channels A and B BNC connectors for redundant media
  • Network Access Port:
    RJ45 NAP connector
  • Compatible Processors:
    SLC 5/02, SLC 5/03, SLC 5/04, and SLC 5/05
  • Network Connection:
    ControlNet tap with a 1 m drop cable
  • Weight:
    0.2 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 Node Address Scan List Network Health Application
  • ControlNet scanner for SLC 500 ControlNet applications
  • Node address selected by the module’s rotary switches
  • Fits any SLC chassis slot except slot 0

1747-SCNR is an Allen-Bradley ControlNet Scanner Module for SLC 500.

The SCNR scans configured ControlNet devices for an SLC 500 system. Network operation depends on the installed scan list and a current ControlNet schedule.

Confirm the scan list, node address, chassis slot, EDS files, ControlNet schedule, cable media, and each connected device before operation.

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

Allen-Bradley 1747-SCNR ControlNet Scanner 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.

  • Set a unique valid node address before applying power
  • Do not use address 00 for the scanner
  • Record the installed node address for replacement
  • Build the scan list for the actual connected ControlNet devices
  • Install the correct EDS information before configuration
  • Reschedule the network after a connection or I/O change
  • Use module and network indicators to separate media from configuration issues
  • Inspect redundant-media paths when the installation uses them
  • Retain the configuration project before replacing the scanner
  • SLC 500 ControlNet scanner-based I/O systems
  • Scheduled ControlNet communication with configured network devices
  • Distributed ControlNet I/O and device-control applications
Description
1747-SCNR is an Allen-Bradley ControlNet Scanner Module for the SLC 500 platform.

The scanner establishes the configured ControlNet connection set between an SLC 500 controller and scheduled ControlNet devices.

Confirm the scan list, node address, chassis slot, EDS files, ControlNet schedule, cable media, and each connected device before operation.
Alternative Names
1747-SCNR 1747 SCNR 1747SCNR Allen-Bradley 1747-SCNR Rockwell Automation 1747-SCNR SLC 500 1747-SCNR
Technical notes
Allen-Bradley 1747-SCNR uses redundant ControlNet channels A/B and an RJ45 NAP; set node 01–99, power down before wiring, and verify the ControlNet tap and 1 m drop cable.
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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-SCNR communicate with both redundant and standard ControlNet media?
Yes. Select the applicable media connection for the installed network and verify the correct taps, trunk cable, terminators, and redundant-media arrangement.
Why can Allen-Bradley 1747-SCNR be online but not exchange expected device data?
An online network does not prove the scan list, EDS information, connection configuration, or schedule matches the installed devices.
What should be saved before replacing Allen-Bradley 1747-SCNR?
Keep the RSNetWorx project, scan list, node address, EDS revisions, network schedule, and records of connected devices.
Can a new Allen-Bradley 1747-SCNR node address be used without reconfiguration?
No. The configured ControlNet project and schedule must remain consistent with the address selected on the replacement scanner.
How should a ControlNet connection fault on Allen-Bradley 1747-SCNR be approached?
Check media integrity and module status first, then compare the installed scan list and schedule with the current network configuration.
Does Allen-Bradley 1747-SCNR configure every ControlNet device automatically?
No. Devices and connections require the documented EDS-based configuration and a scheduled ControlNet project.
Why must the selected SLC chassis slot be documented for Allen-Bradley 1747-SCNR?
The scanner’s placement affects the SLC system configuration, and slot 0 is specifically excluded by the installation instructions.