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

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MN05013001E
63
Local P buttons: P1 – P4
The local P buttons are the display cursor buttons of the 
EZ700 basic unit. You can scan the buttons in both RUN and 
STOP mode. 
Only one byte has to be transferred for the P buttons.
Telegram structure
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Ensure that the P buttons are also activated via the System 
menu (in the basic unit).
Byte
Meaning
Value (hex), sent by
Master
Slave
0
Toggle byte
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1
Command: Read
88
Response:
Read successful
C2
Command 
rejected
C0
1
2
Len
01
01
3
Type
8A
8A
4
Index
00
00
Data 1 (Low Byte)
00
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Table 17
6 – 8
Data 2 – 4
00
00
1) Possible causes J page 91