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207

Various System Settings

Section 6-9

Press “Time-out Interval” to display the re-

quired time lapse.

The setting option changes each time the

touch switch is pressed, according to the fol-

lowing sequence.

01 → 02 → 03 → .... 09 → 10 → 00 → 01 →

....

To set other memory switches, select the relevant screen using the [ ] (next

screen) or [ ] (previous screen) touch switch, then make the setting.

S 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.

S 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.

6-9-13 Setting the Retry Count

The NT31/NT31C does not immediately display an error screen when a commu-

nication error occurs, but tries to re-establish communication. The “Retry Counts”

setting specifies the number of attempts to be made to re-establish communica-

tion. If communication cannot be recovered within this number of attempts, the

following happens depending on the setting made for the “Comm. Auto-return”

memory switch (page 204).

S Comm. Auto-return “ON”:

Operation in the RUN mode is continued without displaying an error screen. Re-

gardless of the setting made for “Retry Counts”, attempts to re-establish com-

munication are repeated until normal communication is achieved.

S Comm. Auto-return “OFF”:

The RUN mode is ended and an error screen is displayed. On pressing the “OK”

touch switch on the error screen, the screen displayed immediately before is re-

displayed and attempts are made to re-establish communication.

The System Menu can be displayed from the error screen by pressing any two of

the four corners of the touch panel simultaneously.

The setting range is 0 to 255 times. The default (factory) setting is 5 times.

Reference: For details on communication errors, refer to 11-2-5 “Communication Errors and

Their Remedies” (page 629).

Omron NT31 User Manual

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