EM Series Drive Hardware Installation Manual
4
HWMN-EM-R20111018
4. Control Signal Requirement
Signal Mode and Sequence Chart
Most EM drive can support Pulse/Direction and CW/CCW control signal modes. In order to avoid some fault operations and deviations,
PUL, DIR and ENA should abide by some rules, shown as following diagram:
U
Remark:
a)
ENA must be ahead of DIR by at least 5us. Usually, ENA+ and ENA- are NC (not connected).
b)
DIR must be ahead of PUL active edge by 5us to ensure correct direction;
c)
Pulse width not less than t3;
d)
Low level width not less than t4.
Model
t3
t4
EM402
10 us
10 us
EM503
2.5 us
2.5 us
EM705
2.5 us
2.5 us
EM806
2.5 us
2.5 us
Summary of Contents for EM Series
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