Read/write function block data
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Table 99: Operand overview
Table 100: Index 0 – Bit IO
Table 101: Index 1 - Mode
Index
(hex)
Operand Read Write
00 Bit IO, Table 100 ×
01 Mode, Table 101 ×
02 Input value:
operand to be converted
I1 × c
1
03 Output value:
contains the conversion
result
QV ×
1) The value can only be written if it is assigned to a constant in
the program.
J
The data for index 2 and 3 is transferred as a 32-bit value in
Intel format (Data 1 – Low Byte .. Data 2 - High Byte).
Bit 7 6 5 4 3 2 1 0
FB output Data 3 – – – – – – – EN
1
1) Activates the function block on status 1.
Data 1
(hex)
00 BCD Converts a BCD coded decimal value to an
integer value.
01 BIN Converts an integer value to a BCD coded
decimal value.
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