Read/write image data
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Read and write local QW0 outputs/outputs of the stations
QW1 to QW8
You can read and write the local outputs directly via
PROFIBUS-DP. However, the outputs are only switched
externally if the device is in Run mode and the addressed
output is not being used in the circuit diagram. JSection
“Read/write image data” on Page99.
Telegram structure
Byte Meaning Value (hex), sent by
Master Slave
0 Toggle byte Jpage94
1Command
Read 91 –
Write B1 –
Response
Read
successful –C2
Write successful –C1
Command
rejected –C0
2Len 02 02
3Type 04 04
4 Index100/01 – 08 00/01 – 08
5Data 1
Read operation 00 JTable46
For write
operation
JTable47 00
6 – 8 Data 2 – 4 00 00
1) 00 = Local output
01 – 08 = Outputs of network stations 1 – 8