Eaton Electrical PROFIBUS-DP EZ204-DP - Manual (Page 133)

Read/write function block data
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Table 62: Index 0 – Bit IO
Table 63: Index 1 - Mode
J
The data for index 2 and 3 is transferred as a 32-bit value in
Intel format (Data 1 – Low Byte .. Data 2 - High Byte).
Bit 7 6 5 4 3 2 1 0
FB input Data 1 – – – – – – – T 1
FB output Data 3 – – – – – E3 2 E2 3 E1 4
1) Transfer of the source address specified at I1 to the target
address specified at I2 on rising edge.
Error outputs
2) Status 1 if the number of elements exceeds the source or target
range.
3) Status 1 if the source and target range overlap.
4) Status 1 if the source or target range are outside of the
available marker range (offset error)
Data 1
(hex) Operating mode
00 INI: Initializes the target range with a byte value stored
at the source address.
01 CPY: Copies a data block from a source to a target
range. Data block size is specified at NO.