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5
9. Ethernet 5-9
Connections
9. Ethernet
• Transferring data in memory
Data in memory can be transferred to the UG230 on the Ethernet or to the PLCs linked to the
UG230 as a host by using macro commands (EREAD/EWRITE).
• Communications between the server and the UG230
- “HKEtn10.dll” (for UDP/IP protocol) is provided so that the user can create an original
application by using Visual C++ or Visual Basic, etc. to allow the server to access the memory
device, such as UG230 internal memory, memory card or the PLC memory linked with the
UG230 as a host........ (a)
- The macro command (SEND) enables the UG230 to access the server........ (b)
CAUTION
To perform Ethernet communications on the UG230, the option unit UG230A-DCL must
be installed.
<PLC>
Ethernet
<UG230>
RS-232C
RS-485
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
<PLC>
Ethernet
<UG230>
RS-232C
RS-485
PROGRAMMER
(a)
(b)
PROGRAMMER
F1
F2
F3
F4
F5
F6
F7
SYSTEM
POWER
Server
Application