Hitachi L100-M Series Addendum Manual page 25

The diagram below shows the use of 3-wire control. STA (Start Motor) is an edge-sensi-
tive input; an OFF-to-ON transition gives the Start command. The control of direction is
level-sensitive, and the direction may be changed at any time. STP (Stop Motor) is also a
level-sensitive input, and the Stop signal has priority over the Start signal. Also
remember that STP is an active-low signal.
STA
STP
F/R
Output
Frequency
When both STA and STP signals are ON, the STP signal has priority (motor output will
be OFF). However, the motor output resumes after STP signal is no longer active if the
STA input is still ON.
STA
STP
F/R
Output
Frequency
25
L100-M Inverter
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