Function library
Function blocks
9.2.35 Freely assignable input variables (FEVAN)
9-125
L
EDSVS9332S-D11 EN 3.0
Function
z Conversion of the read data via:
– Numerator, denominator.
–Offset.
z Selection of a target code for the read data.
Codes for the conversion of the data read and for the selection of the target code
Selection of the target code
Function block Numerator Denominator Offset Code Subcode Examples
FEVAN1 C1093 C1094 C1095 C1091 C1092
FEVAN2 C1503 C1504 C1505 C1501 C1502
Data transmission
F E V A N x - L O A D
F E V A N x - B U S Y
F E V A N x - F A I L
C o r r e c t t r a n s m i s s i o n
w r o n g t r a n s m i s s i o n
Fig. 9-86 Signal flow
Transmission errors may occur if
z no target code is available,
z no target subcode is available,
z the data transmitted are out of the target code limits,
z the target code is inhibited since it may only be written if the controller is inhibited. Inhibit the
controller (see code table).
Cyclic data transmission
F E V A N 1 - I N
C 1 0 9 8
C 1 0 9 6
C 1 0 9 3
C 1 0 9 4
C T R L
+
+
C 1 0 9 5
S & H
C 1 0 9 9
F E V A N 1 - L O A D
C 1 0 9 7
C 1 0 9 0
C o d e / S u b c o d e
( C x x x x / y y y )
C 1 0 9 2
C 1 0 9 1
F E V A N 1 - B U S Y
F E V A N 1 - F A I L
F E V A N 1
N O T 1
1
N O T 1 - O U T
N O T 1 - I N
C 0 8 4 1
C 0 8 4 0
Fig. 9-87 Example for a cyclic data transmission to a target code
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