Omron NT631C manual Setting the Communications 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 Communications Type for Serial Port B

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

Ver 4.12 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 communications type to be set.The setting option changes each time the touch switch is pressed.

Reference: If serial port B is used for RS-485 communications, RS-422A must be set as its communications 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 NT631/ NT631C 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 NT631/NT631C will return to the MAIN- TENANCE MODE MENU screen with the previous settings still in effect.

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