7-3 Troubleshooting and Maintenance
7-13
Symptoms at
PT
Cause Possible countermeasure
The host is
processing a large
volume of data and
the cycle time is
long.
Shorten the host cycle time. The numerical
and character
string update
is slow.
The message
communications
interval is too long.
In the CX-Designer, select PT - Communication Setting,
click the Comm-All Tab, and set a shorter communications
interval. (For details, refer to System Settings and Project
Properties in the CX-Designer’s Online Help.)
A communications
error has occurred.
Check the communications settings again. Some objects
in the screen
configuration
are not dis-
played.
The control flags
set in the object
include Hide Dis-
play Flags.
Display the control flags for the objects set to be not dis-
played, as follows:
Display the Expansion Tab from the functional object prop-
erty setting using the CX-Designer. Select Display from Dis-
play/Hide in the Control Flags Tab Page.
Turn ON the indirect address of the control flag set for the
object.
The Log Flag
display does
not match the
actual log tim-
ing.
The communica-
tions address set
for the event of log
timing is turning ON
and OFF at high
speed.
Set the ON/OFF cycle of the communications address for
events to a longer time.
Cannot input
numerical
values.
The numerical
value input upper
and lower limit
check function is
running.
Display the Expansion Tab from the functional object prop-
erty setting using the CX-Designer. Check the set values in
the Input Upper and Lower Limits Tab Page and correct if
necessary.
The control flags
set in the objects
include Input Pro-
hibit Flags.
Display the Expansion Tab from the functional object prop-
erty settings using the CX-Designer. Select Enable for Input
in the Control Flag Tab Page.
Turn ON the indirect address of the control flag set for the
object.
Cannot input
for some func-
tional objects.
A password has
been set.
Input the password in the password input dialog box that is
displayed.
Set system memory bit $SB19 to OFF.
Touch the screen and input the password to cancel dis-
abling inputs.
Cannot input
to any func-
tional object.
PT is set to input
prohibit mode.
Turn ON or OFF the touch switch lock control flag to enable
input. (Whether ON or OFF enables input depends on the
settings.)
Cannot move
to System
Menu.
Moving to System
Menu is prohibited.
Set system memory bit $SB3 to OFF.
There is no refer-
ence file.
Use the CX-Designer to check whether the folder storing
project data contains a reference file, and resend the screen
data to the PT.
The list selec-
tion and bit-
map object are
blank.
The number of rows
specified in the first
row of the list selec-
tion is above the
maximum.
Set the number of rows to less than the maximum.
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