Mechanical · I-R62TP

Waste Heat Boiler 2 Shutoff Damper I/O

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The diagram outlines input and output points for the wet scrubber 2 and waste heat boiler 2 shutoff dampers communicating with PLC-72 drop 4. Tagged points include command close signals ZCC 4416 and ZCC 4193 through 4194, command open signals ZCO 4416 and ZCO 4193 through 4194, remote position inputs YI 4416 and YI 4194, fully closed indicators ZIC 4416 and ZIC 4194, fully opened indicators ZIO 4416 and ZIO 4194, and fail alarms YA 4416 and YA 4194. Additional monitored points include high temperature alarm TAH 2107 and zero speed alarm SAL 2107.

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