Omron NT31 NT31C manual Setting the Communication Type for Serial Port B, Select Maintenance Mode

Setting Conditions for Communications with Host by Using Memory Switches Section 6-7

6-7-6 Setting the Communication Type for Serial Port B

Set the communication type (RS-232C or RS-422A) for serial port B by following the operation from the System Menu shown below.

Ver 3.10 Select Maintenance Mode.

Select Memory Switch.

Display the fourth memory switch screen by pressing the [↓] (next screen) or [↑] (previous screen) touch switch.

Press the Comm. B Select touch switch to display the communication type to be set.

The setting option changes each time the touch switch is pressed.

Reference: f serial port B is used for RS-485 communications, RS-422A must be set as its communication type.

To set other memory switches, select the relevant screen using the [] (next screen) or [] (previous screen) touch switch, then make the setting.

•To confirm the settings and quit the memory switch setting screen, press the Quit touch switch. The settings made last will be set and the NT31/NT31C will return to the MAINTENANCE MODE MENU screen.

•To quit the memory switch setting screen without confirming the settings, press the Abort touch switch. The NT31/NT31C will return to the MAINTENANCE MODE MENU screen with the previous settings still in effect.

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