Epson ColorWorks CW-C6500A Technical Reference Guide - External I/O CW-C6000/C - Page 10

Level signal

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Minimum interval between input pulse signals As shown below, the interval between input pulse signals that can be received should be 50 ms or more. If pulse signals are received at an interval of less than 50 ms, the second pulse signal will not be detected. Not detected Min. 50 msec Level signal A level signal is a signal that maintains a Low and/or High state for a certain length of time, and refers to the time during which that state is maintained. A Low active level signal changes from High to Low, and the time during which it maintains the Low state is the active state. A High active level signal changes from Low to High, and the time during which it maintains the High state is the active state. If both Low and High are significant, both the Low state and the High state are each maintained for a certain length of time. Minimum time input level signals that can be received are maintained As shown below, input level signals that can be received must be maintained for 30 msec or more. Min. 30 msec 10

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Minimum interval between input pulse signals
As shown below, the interval between input pulse signals that can be received should be 50 ms or more.
If pulse signals are received at an interval of less than 50 ms, the second pulse signal will not be detected.
Level signal
A level signal is a signal that maintains a Low and/or High state for a certain length of time, and refers to the
time during which that state is maintained. A Low active level signal changes from High to Low, and the time
during which it maintains the Low state is the active state. A High active level signal changes from Low to High,
and the time during which it maintains the High state is the active state. If both Low and High are significant,
both the Low state and the High state are each maintained for a certain length of time.
Minimum time input level signals that can be received are maintained
As shown below, input level signals that can be received must be maintained for 30 msec or more.
Min. 50 msec
Not detected
Min. 30 msec