Eaton Electrical PROFIBUS-DP EZ204-DP - Manual (Page 73)

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Year time switch: Y1 – Y8
The following commands are used to read the logic state of
the individual year time switches.
Telegram structure
Table 21: Byte 5: Data 1
Example:
Data 1 = 1
hex
l HY2 is active
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 01 01
3 Type 91 91
4 Index 00 00
5 Data 1 (Low Byte) 00 J Table 21
6 – 8 Data 2 – 4 00 00
1) Possible causes J page 91
Data 1 Bit 7 6 5 4 3 2 1 0
HY1 0/1
HY2 0/1
HY3 0/1
HY4 0/1
HY5 0
HY6 0
HY7 0
HY8 0