Eaton Electrical PROFIBUS-DP EZ204-DP ユーザーズマニュアル

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Read/write function block data
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MN05013001E
73
Analog value comparator/threshold comparator: 
A1 – A16
Telegram structure
Byte
Meaning
Value (hex), sent by
Master
Slave
0
Toggle byte
J
page 44
1
Command: 
Read
89
Write
8D
Response:
Read successful
C2
Write successful
C1
Command 
rejected
C0
1
2
Type
8D
8D
3
Instance
2
00 – 0F
00 – 0F
4
Index
Table 24
5 – 8
Data 1 – 4
depending on index J Table 25
1) Possible causes J page 91
2) EZ provides 16 analog comparators A1 to A16 for use as 
required. These can be addressed using the instance (0 – F).