855T-B24SA1 | Allen-Bradley 24V AC/DC Control Tower Sound Module Interface Panel it extends the capabilities of

it extends the capabilities of MicroLogix 1500 controllers in applications where precise timing is critical

and 512 MB of non-volatile memory

making it ideal for interfacing to sourcing field devices such as proximity sensors

and Allen-Bradley Industrial Terminal (Series 1784) Operation Process Messages Communication w/ PLC Processor Direct Connection to Channel 3 of PLC-5 Processor LEDs 1 Diagnosis/Status Per Channel Max Modules Per System 4 Coating Conformal Coat Required External Power None Typical AC Signal Delay (Off) 29 (+/- 8) ms Typical DC Signal Delay (Off) 30 (+/- 7) ms

50 W @ 132V AC Thermal Dissipation 1

855T-B24SA1 | Allen-Bradley 24V AC/DC Control Tower Sound Module Interface Panel it extends the capabilities ofDescription The Allen Bradley 855T B24SA1 is a Control Tower stack light module designed to provide clear, reliable audible signaling in industrial automation environments. Built with a durable black housing, this 70 mm sound module operates on 24V AC DC and delivers selectable audible tones, making it ideal for machinery status indication, operator alerts, and safety notification systems. Technical Specifications Condition New Never Used Surplus