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TI 34M6A01-01E
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Remote OME Using Commercially-available Modem
An FA-M3 R installed in a distant location can be
maintained via a public telephone line.
Modem
Public phone line
Modem
Programming, debugging,
and other data
reading using WideField
The following can be performed remotely with the standard features of WideField:
Editing/loading/saving programs, monitoring ladder diagrams, monitoring devices, monitoring operation
statuses, viewing system log, reading various data, and more.
For connection, you need to do the following:
z
Modem for the personal computer
• Set the communications protocol (baud rate, data length, etc.) using AT commands.
z
FA-M3 programming Tool WideField.
• Set up the modem connection:
Tool
Æ
Setup Environment
Æ
Setup Communication.
z
FA-M3 R
• In the configuration settings, set the CPU communication port as follows:
- 9600 bps without parity check
- Use the personal computer link
The program in which the above configuration is set up needs to be downloaded in advance. When downloading
a program via a public telephone line, make sure that the program configuration is set as above
.
z
Modem for the FA-M3 R
• Switch on the automatic terminal mode.
• Set the communications protocol using
AT commands.