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Function library

Function blocks

3.2.34 Freely assignable input variables (FEVAN)

3−91

EDSVS9332S−EXT EN 2.0

Function

l Conversion of the read data via:

– Numerator, denominator.

– Offset.

l Selection of a target code for the read data.

Codes for the conversion of the read data 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

FEVANx-FAIL

FEVANx-BUSY

FEVANx-LOAD

Correct transmission Wrong transmission

Fig. 3−86 Signal flow

Transmission errors may occur if

l no target code is available,

l no target subcode is available,

l the data transmitted are out of the target code limits,

l 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

N O T 1 - O U T

N O T 1 - I N

C 0 8 4 1

C 0 8 4 0

Fig. 3−87 Example for a cyclic data transmission to a target code

1 2 ... 138 139 140 141 142 143 144 145 146 147 148 ... 263 264

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