Local analog inputs: ia1 - ia4, Local analog inputs: ia1 – ia4, Control commands for ez700 – Eaton Electrical PROFIBUS-DP EZ204-DP User Manual
Page 60
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Control commands for EZ700
MN05013001E
56
Local analog inputs: IA1 – IA4
The analog inputs on the EZ700 basic unit (I7, I8, I11, I12) can
be read directly via PROFIBUS-DP. The 16-bit value is
transferred in Intel format (Low Byte first).
Telegram structure
Byte
Meaning
Value (hex), sent by
Master
Slave
0
Toggle byte
J
page 44
1
Command: Read
88
–
Response:
Read successful
–
C2
Command
rejected
–
C0
1
2
Len
02
02
3
Type
8C
8C
4
Index
00 – 03
2
00 – 03
2
5
Data 1 (Low Byte)
00
J
Table 14
6
Data 2 (High Byte)
00
J
Table 14
7 – 8
Data 3 – 4
00
00
1) Possible causes J page 91
2) 00 = Analog input I7
01 = Analog input I8
02 = Analog input I11
03 = Analog input I12
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