NT31C-ST143-EV3 Omron, NT31C-ST143-EV3 Datasheet - Page 252

• Manufacturer Part Number: NT31C-ST143-EV3
• Description: 5.7 8-Color Dsp,STN,Ivory,Eng
• Manufacturer: Omron

Specifications of NT31C-ST143-EV3

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

7-2
7-2-1
Responding to Displayed Error Messages
The digits in numeral dis-
play come out as *.
”**” or ”***” is displayed in
the numeral display or
numeral input field.
[No Comm. Protocol]
Set the comm. Protocol by MAINTE-
NANCE MODE.
[Screen Data Error]
Screen Data corrupted.
Initialize Screen Memory, and download
Screen Data again.
[No Screen Data]
No Screen Data is saved in Screen Mem-
ory.
Download Screen Data using by the Sup-
port Tool.
Then set the PT to the TRANSMIT
MODE, and download Screen Data
again.
[No Direct Connection Info.]
No Direct Connection Information is set
in Screen Data.
Set Direct Connecting Information in
Screen Data using by the Support Tool.
Then set the PT to the TRANSMIT
MODE and download Screen Data again.
[Incorrect Screen Data]
Screen Data in Screen Memory do not
match with the System Program.
Initialize Screen Memory, and download
Screen Data again.
NT31/NT31C Symptoms
Responding to Displayed Error Messages
Errors Occurring at Start of Operation and Their Remedies
Message
The number of digits of a numeric
value in a numeral memory table
exceeds the set number.
The numeric value in the numeral
memory table exceeds the number of
display digits.
When the NT31/NT31C displays an error message, find the corresponding
symptoms in the appropriate table below and respond by following the Rem-
edy indicated in the table.
For details of the error messages displayed when using Memory Unit and cor-
rective action to take for them, refer to 3-5 Using a Memory Unit.
The table below shows the errors that can occur when the power to the NT31/
NT31C is turned ON and when operation starts, and their remedies.
No communications protocol has
been set.
Communications protocol and
screen data type are mismatched
• The power was switched OFF
• Transmission of screen data was
• Illegal data has been written to
No screen data is registered.
Allocated words have not been set
for the PT status control area and
PT status notify area.
The type of registered screen data
does not match that at the NT31/
NT31C.
Cause
during screen data initialization,
checking, or transmission.
interrupted.
the screen data memory.
Cause
Confirm the values of the PLC words allocated to the
numeral memory table.
Allocate one PLC word to each numeral memory
table.
Check the values of the PLC words allocated to the
numeral memory table entry.
Allocate only one word to each numeral memory
table entry if the numeral display or numeral input
field has 4 digits or less.
Using the memory switches, set the com-
munications method to be used for com-
munications with the host. (6-7 Setting
Conditions for Communications with Host
by Using Memory Switches)
Initialize the screen data memory by oper-
ation at the System Menu, then re-transmit
the screen data. (6-4-1 Clearing Screen
Data, page 140)
If the problem persists, contact your
OMRON service center.
Transmit screen data from the Support
Tool.
Allocate words for the PT status control
area and PT status notify area with the
Support Tool and then transmit the direct
connection information to the NT31/
NT31C.
Initialize the screen data memory, then
transmit the correct screen data. (6-4-1
Clearing Screen Data, page 140)
Remedy
Remedy
Section 7-2
235