Rockwell Automation 1784-KTXD User Manual Page 236

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Publication 1747-IN011F-EN-P - May 2007
236 Control Networks
With an SLC 5/02, SLC 5/03, SLC 5/04, or SLC 5/05 processor, a
1747-SN Remote I/O Scanner can be used as the master of a remote
I/O network.
Remote I/O Network
Each 1747-SN scanner supports 4 logical racks of 256 I/O each per
logical rack. If large amounts of data need to be transferred to a
device such as a PanelView operator interface, the 1747-SN series B
scanner supports block transfer of up to 64 words of data. Up to 16
devices can be connected to a single remote I/O network. The SLC
system supports multiple 1747-SN scanners if more devices are
required to be controlled by a single SLC processor.
Remote I/O Passthru
Remote I/O passthru enables communication between a personal
computer on the same network as an SLC 5/03, 5/04, or 5/05
processor to devices on the remote I/O network. For example, a
personal computer running PanelBuilder32 software and
communicating on the DH+ network could upload and download
applications from a PanelView operator terminal communicating on
the remote I/O network. This feature eliminates the need to physically
connect the personal computer to the PanelView operator terminal
when you need to change the application. This capability is available
on the 1747-SN series B scanner, and the 1747-BSN backup scanner.
PanelView Operator Terminal
Block I/O
1747-SN Module
1747-ASB Module
1771 Remote I/O Network
1747-ASB Module
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