Blocks S5-115F Manual
Outputting an analog value -FB 251-
Use function block FB 251 to output analog values to analog output modules. Specify the type of
analog representation of the module (channel type) in the KNKT parameter. Values from the
range between the “lower limit” (UGR) and the “upper limit” (OGR) parameters are converted to
the nominal range of the module in question.
Call and Parameter Assignment
Parameter Assignment STL
Analog value to
be output
I
Channel
number
Channel type
D
KY = x,y
x = 0 to 7
y = 0;1
0: unipolar representation
1: bipolar fixed-point number
: JU FB 251
NAME : AGF : ANAU
XE :
BG :
KNKT :
OGR :
UGR :
FEH :
BU :
Upper limit of
the output
value
D -32768 to+32767
Lower limit of
the output
value
D -32768 to+32767
Input value
exceeds
UGR or OGR
Q
At ”1,”XE is outside the range
(UGR;OGR).
XE accepts the limit value
Error when
setting the limit
value
Q
”1” if UGR = OGR,
for illegal channel or slot
number, or illegal channel type
Input value (fixed-point) in the
UGR to OGR range
Module address
D
128 to 240
Meaning Type Data
Type
W
KF
KY
KF
KF
BI
BI
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XE
BG
KNKT
OGR
UGR
FEH
BU
6-8
EWA 4NEB 811 6149-02
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