CONTROLLERSProcess ControlsFigure 32 Typical Control StationThe setpoint indicator, located in the center of the upper half of the controller, indicatesthe setpoint (desired value) selected for the controller. The scale may be marked 0% to100% or correspond directly to the controlled variable (e.g., 0 - 1000 psig or -20°F to+180°F).The setpoint adjustment, located right of the setpoint indicator, is a thumbwheel typeadjustment dial that allows the operator to select the setpoint value. By rotating thethumbwheel, the scale moves under the setpoint index line.IC-07 Page 48 Rev. 0
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