Sequence Chart Of Control Signals - StepperOnline DM542S Manual

5.4 Sequence Chart of Control Signals

In order to avoid some fault operations and deviations, PUL, DIR and ENA should
abide by some rules, shown as following diagram:
Remark:
a. t1: ENA must be ahead of DIR by at least 5μs. Usually, ENA+ and ENA-
are NC (not connected).
b. t2: DIR must be ahead of PUL active edge by 6μs to ensure correct direction;
c. t3: Pulse width not less than 2.5μs;
d. t4: Low level width not less than 2.5μs.
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