Specifications

Publication 1747-SG001E-EN-E - February 2013
62 Select Network Communications
• 1747-SN Remote I/O Scanner
• 1747-BSN Backup Remote I/O Scanner
• 1747-ASB Remote I/O Adapter
• 1747-DCM Direct Communication Module
RS-232/DF1 Port Splitters
Remote I/O Scanner Module
The 1747-SN module provides high-speed remote communication between an SLC
processor and Allen-Bradley operator interface and control devices. The scanner provides
connectivity of your SLC 5/02 or higher processor to devices such as InView Message
displays, Power Monitor 3000, PanelView, 1791 Block I/O, Allen-Bradley Drives, 1746
I/O, 1771 I/O, and Flex I/O devices.
Note: The series B scanner supports block transfer of up to 64 words of data.
The 1747-SN features:
• noise immunity over various cable distances via selectable baud rates.
• distribution of devices over a wide physical area, supporting RIO cable lengths up
to 3050 m (10,000 ft).
• connection of up to 16 devices in normal mode or 32 devices in complementary
mode.
• capability to send large amounts of data to RIO devices without affecting system
throughput, utilizing block transfers.
• capability to download and change applications in PanelView terminals and
Power monitors via remote I/O passthru.
Backup Scanner Module
High Speed Serial Link
1747-BSN
Module
1747-BSN
Module
RIO
Network
RIO Network
1747-ASB Module