The 1775-SR is an I/O scanner module designed by Allen Bradley within the PLC 3 series. It interfaces with RS-232-C channels, supporting 2048 input and output points while maintaining a communication rate of 57.6 or 115.2 kbaud. With a self-test indicator for operational verification, this module also features a 25-pin D-shell configuration connector. Manufacturer Allen Bradley Product Type PLC I/O Scanner Module Product Line PLC 3 Part Number 1775-SR Weight 5.00 lbs (2.27 kg)
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IPv6 network supported




