Two-point controller on/off

This function block implements a two-point controller. This controller has two separate setpoints for the on and off point.

Inputs
FG	Enable	Enable. The controller is enabled when a 1 is present at the input. This input is optional; if the input is not connected, the controller is automatically enabled.
IW	Actual value*	Actual value
SE	Setpoint on*	Setpoint on. If the actual value is lower than setpoint on, a 1 is output at the output.
SA	Setpoint off*	Setpoint off. If the actual value is greater than setpoint off, a 0 is output at the output.
Outputs
A1	Manipulated variable	Manipulated variable

Parameters
	Control time	Control time in seconds. The setpoint / actual value comparison is only performed at this interval.

Inputs