Read/write function block data
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MN05013001E
131
Table 64: Operand overview
Table 65: Index 0: Bit IO
Table 66: Index 1 - Mode
Index
(hex)
Operand
Read
Write
00
Bit IO,
J
Table 65
×
01
Mode,
J
Table 66
×
02
First operand
I1
×
c
1
03
Second operand
I2
×
c
1
04
Operation 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 to 4 is transferred as a 32-bit value in
Intel format (Data 1 – Low Byte to Data 4 – High Byte).
Bit
7 6 5 4 3 2
1
FB output Data 3
– – – – – –
ZE
1
1) Status 1 if the value of the function block output QV (the
operation result) equals zero
Data 1
(hex)
00
AND
And sequence
01
OR
Or sequence
02
XOR
Exclusive Or sequence
03
NET
Inverts the individual bits of the value at I1.
The inverted value is represented as a
signed decimal value.
Содержание PROFIBUS-DP EZ204-DP
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