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MELSEC-Q
1 PRODUCT OUTLINE
QD75 External signal
The QD75 and external signal communicate the following data via the external
device connection connector.
Direction
Communication
QD75
External signal External signal QD75
Control signal –
Signals from detector such as near-point
dog signal, upper/lower limit signal, zero
signal
Control signals from external device such
as stop signal, external command signal
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