Download User Manual - Klockner Moeller Parts

06/03 AWB2528-1480GB
Function blocks
I
I
I
I
C
C
C
C
05---------------------------Ä
06---------------------------Ä
07---------------------------Ä
08---------------------------Ä
20OF-------------------------Ä
20FB-------------------------Ä
20ZE-------------------------Ä
20CY-------------------------S
C
C
C
C
Q
Q
Q
M
20C_
20RE
20D_
20SE
01
02
03
42
Figure 87: MFD-Titan circuit diagram with counter relay
C 20
>SH
+
>SL
>SV
QV>
Parameter display and parameter set for the counter
relay:
C 20
Counter relay function block number 20
+
Appears in the parameter display
>SH
Upper setpoint
>SL
Lower setpoint
>SV
Defined actual value (Preset)
QV>
Actual value in RUN mode
In the parameter display of a counter relay you change
setpoint values and/or the preset value and the enabling of
the parameter display.
Value range
The function block operates in the integer range from
–2147483648 to 2147483647.
Behaviour when value range is exceeded
The function block sets the switching contact C .. CY to the
status 1 and retains the value of the last valid operation.
h
The counter C counts every rising edge on the counter
input. If the value range is exceeded, the switching contact
C ..CY switches to status 1 for one cycle per rising edge
detected.
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