Controlling Operation and Outputting Data with a Parallel Interface Sensor Data Unit
70
FQ2-S/CH User’s Manual
for Communications Settings
Outputting Measurement Results for Data Send Requests from the External Device (Handshaking)
With handshaking, measurement results are output after there is a data send request (DSA signal) from the
external device.
Handshaking is effective for sequentially outputting many measurement results and it is a reliable way to
transfer data.
*1 The overall judgement (OR) is output even if the DSA signal is not output by the external device.
● DSA Signal
The DSA signal is used by the external device to request the next data transmission. The Sensor will not output
data until the DSA signal is turned ON. When the external device is ready for reception, turn ON the DSA
signal.
External device
FQ2
(2) Measurement
results output.
*1
(1) DSA signal sent.
FQ2-S_CH_comm.book 70 ページ ２０１４年６月２６日 木曜日 午前１１時４７分
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