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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.
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.
Select Maintenance Mode.
Select Memory Switch.
Ver 4.12
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.