ASSIGN
OUT is equal to PT2 if IN is True, else OUT is equal to PT1.
Inputs 

IN 
Conditional input. 
PT1 
Preset value when IN is False. 
PT2 
Preset value when IN is True. 
Outputs 

OUT 
PT2 if IN is True; PT2 otherwise. 
DATETIME TO NUMERICAL
Converts a DateTime into numerical values.
Inputs 

IN 
DateTime to convert. 
Outputs 

YEAR 
Year. 
MONTH 
Month. 
DAY 
Day. 
HOURS 
Hours. 
MINUTES 
Minutes. 
SECONDS 
Seconds. 
DAYOFYEAR 
Day of the year (from 0 to 366). 
DAYOFWEEK 
Day of the week (Sunday = 0, Saturday = 6). 
TIMEOFDAY 
Current time. 
NUMERICAL TO DATETIME
Converts numerical values into a DateTime.
Inputs 

YEAR 
Year. 
MONTH 
Month. 
DAY 
Day. 
HOURS 
Hours. 
MINUTES 
Minutes. 
SECONDS 
Seconds. 
Outputs 

OUT 
Outputs the DateTime value. 
PID
Proportionalintegralderivative controller.
Inputs 

PV 
Measured process value. 
SP 
Set point. 
KP 
Proportional gain (default is 1). 
KI 
Integral gain. 
KD 
Derivative gain. 
CV HIGH 
Specifies the maximum value of the output. 
CV LOW 
Specifies the minimum value of the output. 
Outputs 

CV 
Control variable. 