Read/write image data
155
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Local analog inputs: IA1 – IA4
The analog inputs on the easy800 and MFD basic units can
be read directly via DeviceNet. The 16-bit value is transferred
in Intel format (Low Byte first).
Telegram structure
Byte
Meaning
Value (hex), sent by
Master
Slave
Master
Slave
Attribute ID:
Read
91
–
0
Response:
Read successful
–
C2
Command
rejected
–
C0
0
1
Len
02
02
1
2
Part no.
02
02
2
3
Index
01 – 04
1)
01 – 04
1)
3
4
Data 1 (Low Byte)
00
a
example
on page 156
4
5
Data 2 (High Byte)
00
5 – 6
6 – 7
Data 3 – 4
00
00
1) 01 = Analog input I7
02 = Analog input I8
03 = Analog input I11
04 = Analog input I12
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