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9-5
Unit-specific Troubleshooting
The following table shows the errors, their assumed causes, and corrections for the High-speed Ana-
log Input Units.
Problem
Assumed cause
Correction
The converted values or analog input val-
ues are different from expected or the error
is too large.
The user calibration error
is too large.
Execute the user calibration again.
The required input is disa-
bled.
Check to see if the setting is ena-
bled.
Wiring is incorrect. (Posi-
tive and negative are re-
versed etc.)
Check that the wiring is correct.
The input range is not cor-
rect.
Check that the input range is correct.
The short-circuit cable is
longer than the specified
length.
Cut the short-circuit cable to the
specified length.
A short-circuit cable is not
connected.
Connect a short-cut cable when the
input range is 0 to 20 mA or 4 to 20
mA.
There is a problem with
the Unit.
Cycle the power supply to the Unit.
If the problem persists even after the
power supply is cycled, replace the
Unit.
The digital filter settings
are invalid.
Check that the digital low-pass filter
cutoff frequency, Filter 1 Moving
Average Count, and Filter 2 Moving
Average Count settings of the digital
filtering are correct.
Task assignment is incor-
rect.
Assign the primary periodic task or
the priority-5 periodic.
The High-speed Analog
Input Unit is not installed
in the upright orientation.
The High-speed Analog Input Units
can be installed only in the upright
orientation, regardless of the destina-
tion to which they are connected. In-
stall the High-speed Analog Input
Unit in the upright orientation.
A Relay Output Unit (NX-
OC
££££
) is connected
next to the High-speed
Analog Input Unit.
Do not connect a Relay Output Unit
(NX-OC
££££
) next to the High-
speed Analog Input Unit.
9 Troubleshooting
9 - 36
NX-series Analog I/O Units User’s Manual for High-speed Analog Input Units (W592)
Содержание Sysmac NX-series
Страница 4: ...Introduction 2 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 42: ...Sections in this Manual 40 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 100: ...4 Installation and Wiring 4 32 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 142: ...7 I O Data and List of Settings 7 24 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 238: ...10 Inspection and Maintenance 10 6 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 300: ...Appendices A 62 NX series Analog I O Units User s Manual for High speed Analog Input Units W592...
Страница 301: ...I Index I 1 NX series Analog I O Units User s Manual for High speed Analog Input Units W592 I...
Страница 303: ...W Wiring Terminal 4 7 Index I 3 NX series Analog I O Units User s Manual for High speed Analog Input Units W592 I...
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