AdCtrlPt1 (FB)

FUNCTION_BLOCK AdCtrlPt1

AdCtrlPt1 contains Pt1 element which is a first order delay, low pass filter

The time T1Cycles is related to the PLC cycle ( 1 = 1 cycle)

InOut:

Scope

Name

Type

Initial

Comment

Input

X

REAL

0

1: Input value

T1Cycles

REAL

0

2: Time constant 0 … 32766, scaled to the PLC cycle time

Output

Y

REAL

0

1: output value Y (s) (Transfer function in s Domain) =1/(1+s*T), T is the time constant.