6. Function blocks
6.1 Manufacturer function blocks
Other
Retention
The function block does not recognize retentive data.
Example of an FT-PT1-signal smoothing filter when using the EDP programming lan-
guage
M 40-----------------------------Ä FT01EN
Figure 150: Wiring the function block coils
Example of an FT-PT1 signal smoothing filter configuration on a device display
When using the function block in the circuit diagram for the first time, use OK to auto-
matically enter the general display of function block parameters, as shown in the figure
on the left. Enter the function block settings here.
FT17 +
>I1
>TG
>KP
QV>
Figure 151: Parameters shown on display
The display contains the following elements:
FT17 signal
smoothing fil-
ter
Function block: Signal smoothing, number 17
+ Parameter set can be called via the PARAMETERS menu
>I1 Input value: -32768… +32767
>T
G
Recovery time: 0… 65535 resolved in 100 ms
Example: The value 250 is processed in the function block as 25 s.
>K
P
Proportional gain: 0… 65535 in %; Example: With KP=1500 the function
block performs the calculation with K
p
=15
QV> Output value: -32768 … +32767, smoothed
See also
→ Section "FT - PT1-Signal smoothing filter ", page 279
→ Section "TC - Three step controller", page 297
→ Section "VC - Value limitation ", page 302
→ Section "BC - Block compare", page 306
→ Section "BV - Boolean operation", page 353
→ Section "PO - Pulse output", page 284
easyE4 11/18 MN050009 EN www.eaton.com
283
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