Omron SmartSlice GRT1 Series - Page 317

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Troubleshooting by Unit Section 9-5
Counter Units
GRT1-CT1(-1)
GRT1-CP1-L
The counter value is
reset at unexpected
times.
Resetting the counter with a digital input
has been enabled (only GRT1-CT1(-1)).
Disable the digital input or set
the Digital Input Counter
Reset Mode Bits to 00.
Resetting the counter with the phase-Z
input has been enabled (GRT1-CP1-L
only).
Set Counter Reset Mode Bits
for the phase-Z input to 00.
The counter is set to be reset at each
falling edge or rising edge of the digital
input.
Disable the digital input or
switch the digital input to
another operating mode.
The Reset Command Bit was turned
ON.
Make sure the Reset Com-
mand Bit is not turned ON.
The counter was preset
to an unexpected value.
The counter is set to be preset at each
falling edge or rising edge of the digital
input.
Disable the digital input or
switch the digital input to
another operating mode.
The Preset Command Bit was turned
ON.
Make sure the Preset Com-
mand Bit is not turned ON.
The counter monitor
values do not match the
setting of the Register
Selection Bits.
The Read Command Bit was not turned
ON after changing the setting of the
Register Selection Bits.
Turn ON the Read Command
Bit.
The monitor value has been set to auto-
matically show the present value of the
counter when the Unit is restarted or
reset.
Set the Register Selection
Bits and monitor value again.
The counter present
value is not stored as
the monitor value.
Another value is stored as the monitor
value.
Set the Register Selection
Bits to 000 and turn ON the
Read Command Bit again.
ON delay time, OFF
delay time, or Sensor
operation delay time
cannot be set.
These functions are not supported by
the Counter Unit.
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The range cannot be
set using the Configura-
tor.
The range check box is not selected in
the Configurator.
Select the range check box,
and then set the upper and
lower limits.
Counter Units,
GRT1-CP1-L only
The status of the
phase-Z input and digi-
tal input does not
appear on the Z/I indi-
cator.
An exclusive OR of the phase-Z input
and digital input is shown on the Z/I indi-
cator.
Turn OFF one of the inputs.
The status of the
phase-A input and
phase-B input does not
appear on the A,B indi-
cator.
An exclusive OR of the phase-A input
and phase-B input is shown on the A,B
indicator.
Turn OFF one of the inputs.
Model Details Probable cause Remedy