Read/write function block data
209
09/10 MN05013007Z-EN
Receipt of network data: GT01 – GT32
Telegram structure
Table 123:
Operand overview
Byte
Meaning
Value (hex), sent by
Master
Slave
Master
Slave
Attribute ID: Read
92
–
0
Response:
Read successful
–
C2
Command rejected
–
C0
0
1
Part no.
1B
1B
1
2
Instance
01 – 20
01 – 20
2
3
Index
3 – 6
4 – 7
Data 1 – 4
00
depending on index,
Index
(hex)
Operand
Read
ing
Writing
00
Bit IO,
x
01
Mode/Parameters,
x
–
02
Output value: actual
value from the network
QV
x
h
The data for index 2 is transferred as a 32-bit value in Intel
format (Data 1 – Low Byte to Data 4 – High Byte).
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