Eaton Electrical PROFIBUS-DP EZ204-DP ユーザーズマニュアル
Read/write image data
For more information visit: www.EatonElectrical.com
MN05013001E
107
Read and write local QW0 outputs/outputs of the stations
QW1 to QW8
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.
“Read/write image data” on Page 99.
Telegram structure
Telegram structure
Byte
Meaning
Value (hex), sent by
Master
Slave
0
Toggle byte
J
page 94
1
Command
Read
91
–
Write
B1
–
Response
Read
successful
–
C2
Write successful
–
C1
Command
rejected
–
C0
2
Len
02
02
3
Type
04
04
4
Index
1
00/01 – 08
00/01 – 08
5
Data 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