Eaton Electrical PROFIBUS-DP EZ204-DP - Manual (Page 82)

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Control commands for EZ700
MN05013001E 78
Table 29: Index 01 – Control byte
Example:
the actual value of C3 is to be read:
Explanation:
Data 1 = 12
Data 2 = 03
l
resulting 16-bit value = 0312
hex
= 786
dec
Counter status = 786
Data 1 Bit 7 6 5 4 3 2 1 0
FB output – – – – C 4 RE
3
D 2 Q1 1
1) Switch contact
2) Count direction: 0 = up counting,
1 = down counting
3) Reset, the timing relay is reset (reset coil)
4) Count coil, counts on every rising edge
Byte Meaning Value (hex), sent by
Master Slave
0 Command: Read 89 –
Response: Read successful – C2
1 Type 8F 8F
2 Instance 02 02
3 Index 02 02
4 Data1 00 12
5 Data 2 00 03
6 Data 3 00 00
7 Data 4 00 00