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2.5.3 Signal Descriptions
Input signal
Servo-on [S-ON]: Sequence input signal (Reference value 1)
The signal makes the servomotor ready to rotate.
Function
The servomotor is ready to rotate while the servo-on [S-ON] signal remains turned on.
When the servo-on signal is turned off, the gate for IGBT is turned off and the servomotor does
not rotate. At this time, the servomotor in free-run and all rotation commands are ignored.
If the signal is turned off during rotation, controlled stop is caused according to the setting of
PA2_61 (action sequence at servo-on OFF). The stopping profile follows the setting of PA2_61
(action sequence at servo-on OFF), too.
If there is no alarm, activation of servo-on [S-ON] and forced stop [EMG] arranges the state ready
to rotate.
Parameter setting
To assign the servo-on [S-ON] signal to IQ area (sequence input terminal), specify the
corresponding value ("1") to the input terminal function setting parameter.
VS type: If not assigned to CONT 1 to 5, it is activated with ON signal in IQ area.
If assigned to CONT 1 to 5, it is activated when the signal (normally open contact) in IQ
area and signal (normally open contact) of CONT signal are both turned on.
LS type: If not assigned to the CONT input terminal, it is handled as always ON.
CHAPTER 2 WIRING
Description of I/O Signals
2
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