1:1 Connection
1:n Connection
1:n connection (access outside the network to relay the Q series)
You can access other stations via MELSECNET/H, MELSECNET/10, Ethernet or Q Series C24 unit. Note that you can access only the source station when using the RS232C connector on Q00CPU or Q01CPU.
Maximum number of External Device is 31.
When communication over the network, set the timeout to a value greater than the relay station's response monitoring time.
Setting example for access outside the network are shown below.
| External Device to Access | Port No. | Station No. | Network No. | PC No. | Request destination module I/O No. | Request destination module Station No. |
| External Device (1) | 1025 | 5 | 0 | 255 | 1023 | 0 |
| External Device (11) | 1026 | 5 | 1 | 6 | 1023 | 0 |
| External Device (22) | 1027 | 5 | 2 | 8 | 32 | 15 |
Multi CPU System
Examples of communication settings of the Display and the External Device, recommended by Pro-face, are shown.
WARNING
UNINTENDED EQUIPMENT OPERATION
Read and understand the instructions in this section to ensure data is properly transferred.
The following cable diagrams may be different from cable diagrams recommended by External Device Manufacturer.
Please be assured there is no operational problem in applying the cable diagram shown in this manual.
The FG pin of the External Device body must be grounded according to your country's applicable standard. Refer to your External Device manual for details.
SG and FG are connected inside the Display. When connecting the External Device to SG, design your system to avoid short-circuit loops.
Connect an isolation unit if the communication is not stable due to noise or other factors.
Range of supported device address is shown in the table below. Please note that the actually supported range of the devices varies depending on the External Device to be used. Please check the actual range in the manual of your External Device.
WARNING
UNINTENDED EQUIPMENT OPERATION