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● Execution of hold (sample) and reset of hold value
ON
TIMINGx input
OFF
Command
ON
Area
RESETx input
OFF
ON
HOLDSTATx
OFF
output
ON
RESETSTATx
output
OFF
Output
area
ON
GATEx output
OFF
ON
Measurement
Value of Task
OFF
(1) The Controller changes the state of the TIMINGx input signal from OFF to ON. At the rising edge of the
TIMINGx input signal, the displacement sensor starts sampling.
(2) At start of sampling, the displacement sensor changes the state of the HOLDSTATx output signal from OFF
to ON.
(3) When the hold value is applied, the displacement sensor changes the state of the GATEx output signal from
OFF to ON. The Controller makes sure that the GATEx output signal has turned ON, and then captures the
output data.
(4) The displacement sensor turns OFF after the GATE signal ON duration has elapsed since the GATEx
output signal turned ON.
(5) The Controller turns the state of the TIMINGx input signal from ON to OFF. At the falling edge of the
TIMINGx input signal, the displacement sensor end sampling.
(6) At end of sampling, the displacement sensor changes the state of the HOLDSTATx output signal from ON to
OFF.
(7) The Controller changes the state of the RESETx input signal from OFF to ON. At the rising edge of the
RESETx input signal, the displacement sensor starts the measured value reset period.
(8) At the start of the measured value reset period, the displacement sensor changes the state of the
RESETSTATx output signal from OFF to ON.
(9) At completion of the measured value reset, the displacement sensor changes the state of the GATEx output
signal from OFF to ON.
(10) The displacement sensor turns OFF after the GATE signal ON duration has elapsed since the GATEx
output signal turned ON.
(11) The Controller changes the state of the RESETx input signal from ON to OFF. At the falling edge of the
RESETx input signal, the displacement sensor end the measured value reset period.
(12) At the end of the measured value reset period, the displacement sensor changes the state of the
RESETSTATx output signal from ON to OFF.
Important
When hold is being performed by multiple tasks, HOLDSTATx output signal turns ON when even one task enters the
sampling period and GATEx output signal turns ON when the measured value is applied.
ZW User's Manual
(1)
(2)
(3) (4) (5) (6)
(7) (8)
(9) (10)(11) (12)
EtherCAT Connection
193
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Troubleshooting
