M0-M1 Files. Allen-Bradley 1747-BSN

Below you will find brief information for Backup Scanner 1747-BSN. The Backup Scanner provides redundancy for Remote I/O, RS232 channel switchover for communications to devices such as operator interface, and DH+. It also provides a High Speed Serial Link (HSSL) to write any retentative data from a primary to a secondary processor, and a Local Serial Link (LSL) to pass status information between multiple modules located in the same chassis.

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Backup Scanner 1747-BSN User Manual | Manualzz

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Key features

  • Provides redundancy for Remote I/O (RIO), RS232 channel switchover, and DH+
  • Supports complementary I/O for increased I/O capacity
  • Offers high-speed serial link (HSSL) for data transfer between primary and secondary processors
  • Includes local serial link (LSL) for communication between multiple BSN modules
  • Features extended node capability for connecting up to 32 physical devices on an RIO link

Frequently asked questions

The 1747-BSN Backup Scanner Module provides redundancy for Remote I/O (RIO), RS232 channel switchover, and DH+ communications. It also provides a High Speed Serial Link (HSSL) for transferring data between primary and secondary processors.

The 1747-BSN Backup Scanner Module operates by continuously scanning the adapters on the RIO link. It also provides a backup system that automatically takes over control in the event of a fault in the primary system.

Using the 1747-BSN Backup Scanner Module enhances system reliability and uptime by providing redundancy for critical components. It also simplifies system configuration and management by providing a centralized point of control for remote I/O.

The 1747-BSN Backup Scanner Module is compatible with Allen-Bradley SLC 500 processors and other compatible devices, such as 1746 I/O chassis and PanelView operator terminals.
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