Siemens 125-1957 Owner's Manual page 45

ON text
Text indicating the energized state of a digital point (for example, ON, OPEN, YES).
override switch
Button on Room Temperature Sensor that can be pressed by an occupant to change the
status of a room from night mode to day mode for a predetermined time.
PID
Proportional, lntegral, and Derivative.
RTS
Room Temperature Sensor.
Sl units
Systeme International d'Unites. The international metric system.
slave mode
Default application that comes up when power is first applied to a Terminal Equipment
Controller.
slope
Factor that converts analog values (used by the controller) to a form the user can understand
(engineering units). Slope and intercept constants are determined by the type of field
input/output represented by the physical or virtual point.
stand-alone control
Type of control offered by a controller that is providing independent DDC control to a space.
Terminal Equipment ControIler
Siemens Building Technologies product family of equipment controllers (one is the Unit Vent
Controller — 0 to 10V Output) that house the applications software used to control terminal
units, such as heat pumps, VAV terminal boxes, fan coil units, unit ventilators, etc.
Siemens Building Technologies, Inc.
Overview
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