Product Details: 

• The 1747-SN is an Allen-Bradley communication module that is used to implement Remote I/O (RIO) communication between RIO protocol enabled devices such as PanelView graphic operator terminals, message display, SLC500 controllers, other Programmable Logic Controller (PLC) and 3rd party devices such as gateways and protocol converters. This communication module is specifically a Scanner module, communicating with compatible RIO adapter modules to request I/O status update, messages and diagnostics over the RIO network.
• The 1747-SN comes with One (1) RIO communication port. This port is a Three (3) pin terminal that requires a specific communication cable such as the Belden 9463 cable. RIO protocol may be implemented physically at a maximum wire length of 3050 meters or 1050 ft where supported connections are up to Sixteen (16) devices when operating in normal mode and Thirty-Two (32) devices in complementary mode. This scanner module is able to transfer data at a transmission rate of 57.6 Kbaud with cable length of 3048 meters and 230.4 Kbaud rate with cable length of 762 meters. Devices are connected in daisy-chain topology with both ends terminated using an 82 Ohm resistor.

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