Read/write function block data
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MN05013001E
75
Table 25: Index 00 – Parameters
Example:
Data 1 (Byte 5) = 0xA3, Data 2 (Byte 6) = 0x03
l
Resulting 16-bit value = 03A3
hex
Meaning: HY, OS, F2, F1 are assigned a constant; I1, I2 are
assigned to a variable such as I7, I8 C2...etc., appears in the
Parameter menu;
The output of the analog value comparator is active for as long
as the comparison (I1
×
F1) + OS =
(I2
×
F2) + HY is fulfilled.
Table 26: Index 01 – Control byte
Meaning
Bit 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
Appears in the parameter menu
Yes/no
0/1
Compare
FB not used
0
0
0
EQ (=)
0
0
1
GE ( )
0
1
0
LE ( )
0
1
1
GT (>)
1
0
0
LT (<)
1
0
1
Use as constant and therefore can be written to
I1= Constant
0/1
F1= Constant
0/1
I2= Constant
0/1
F2 = Constant
0/1
OS = Constant
0/1
HY = Constant
0/1
Not used
0 0 0 0 0 0
Bit 7 6 5 4 3
2
1
0
FB output Data 3
– – – – –
–
–
Q1
1
1) Status 1 if comparison condition is fulfilled.
Содержание PROFIBUS-DP EZ204-DP
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