Command Group: Communication | Access: | Network interfaces: | |
| W | CANopen | |
| | MODbus | |
OP - Open device - select the device by address to communicate with | | PROFIbus | |
| Synopsis: |
| Command | Response |
| Set | OP | OK (or ERR) |
|
| Valid for | Min. value | Max. value |
| 141.181 |
0 |
255 |
| 141.184 |
0 |
255 |
| 141.185 |
0 |
255 |
| 141.186 |
0 |
255 |
| 142.181 |
0 |
255 |
| 142.184 |
0 |
255 |
| 142.185 |
0 |
255 |
| 142.186 |
0 |
255 |
| 143.181 |
0 |
255 |
| 143.184 |
0 |
255 |
| 143.185 |
0 |
255 |
| 151.181 |
0 |
255 |
| 151.184 |
0 |
255 |
| 151.186 |
0 |
255 |
| 152.181 |
0 |
255 |
| 152.184 |
0 |
255 |
| 162.181 |
0 |
255 |
| 179.181 |
0 |
255 |
| 181.181 |
0 |
255 |
| 64.181 |
0 |
255 |
| 64.184 |
0 |
255 |
| 68.181 |
0 |
255 |
| 68.183 |
0 |
255 |
| 69.181 |
0 |
255 |
| 72.181 |
0 |
255 |
| 72.184 |
0 |
255 |
| 78.183 |
0 |
255 |
| 78.184 |
0 |
255 |
| 88.183 |
0 |
63 |
| 88.184 |
0 |
63 |
| 88.185 |
0 |
63 |
|
OP Open device. When more units are connected in a network only one unit may respond at a time, no matter if the network is a 2-wire or 4-wire communication bus. All units listens to all communication and when an OP command is received all devices closes communication and the one having the given address responds.
See also
AD,
BR,
CL,
and DX