The data to be transmitted are written with the block DWR in the telegram buffer There are several variants of this block for the data types BYTE, INT and DINT and the number of signals.
Note |
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On the TDC side, the bytes have to be swapped because they are expected to be in the same order as on S7. Please put the connector SWP on 1 with every DWR block. |
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Connection |
Meaning |
Description |
|---|---|---|
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PTR |
Buffer indicator |
Connection to PTR of the send block CTV_P |
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OF1 |
Offset 1 |
The offset in the telegram buffer is formed from OF1 + OF2. |
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OF2 |
Offset 2 |
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SWP |
SWAP |
Byte rotation. For ibaPDA telegrams, it must be set to 1. |
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Xn |
Data transmitted |
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EN |
Enable |
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QF |
Block status 1 |
0 = OK, 1= Error |
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YF |
Block status 2 |
Error information |