Omron NT620C, Operation Manual

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7-2 Section Responding to Displayed Error Messages
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7-2-2 Errors Occurring During Operation
The table below shows the errors that can occur during operation of the
NT620S/620C, and their remedies.
Message Cause Remedy
Setting Error
The word type and word address
are displayed.
Allocated bits/words set with the
support tool not found at PC. After checking the PC area being used, set
correct bits/words.
Word Address Setting
Error
Word Area of Screen data or PT
Control Area is wrong. Please
confirm Screen Data.
7-2-3 Errors Occurring on Screen Data Initialization and Transfer
The table below shows the errors that can occur when data is written to the
NT620S/620C screen data memory, and their remedies.
Message Cause Remedy
Initialization Error Hardware fault or screen data
memory life reached If the same message is displayed even after
executing screen data memory initialization or
screen data transmission several times, contact
your OMRON service center.
7-2-4 Communication Errors
This section describes the errors relating to communication with the PC that can
occur during operation, and their remedies.
S
Operation when a communication error occurs
When a communication error occurs, the error message is displayed at the
NT620S/620C, and the buzzer sounds. Error messages are displayed when
the “Automatic Reset” memory switch is not set (OFF).
Note Some error messages are displayed even if the “Automatic Reset” memory
switch is set (ON).
S
Procedure when a communication error occurs
When an error message is displayed, press the [Confirm] touch switch dis-
played on the screen. The screen display will return to the RUN mode.
S
Display of communication errors
As shown below, communication errors are displayed in the center of the
screen, together with a classification indicating whether they are receive or
send errors.
[Screen when an error has occurred during reception]
<Error Description>
SCI. Parity Error
SCI. Overflow Error
SCI. Overrun Error
SCI. Framing Error
Buffer Overflow
Time Out
NAK Received
Unit # Error
FCS Error
Sumcheck Error
Receive Error
Confirm