User manual

Read/write image data
For more information visit: www.EatonElectrical.comMN05013001E 107
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.
J Section
“Read/write image data” on Page 99.
Telegram structure
Byte Meaning Value (hex), sent by
Master Slave
0 Toggle byte J page 94
1Command
Read 91 –
Write B1 –
Response
Read
successful
– C2
Write successful – C1
Command
rejected
– C0
2Len 02 02
3Type 04 04
4 Index
1
00/01 – 08 00/01 – 08
5Data 1
Read operation 00 J Table 46
For write
operation
J Table 47 00
6 – 8 Data 2 – 4
00 00
1) 00 = Local output
01 – 08 = Outputs of network stations 1 – 8