26 • vacon
ASFIFF12 High Speed
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3
3-wire connection (pulse control):
DIN1: closed contact = start pulse
DIN2: open contact = stop pulse
(DIN3 can be programmed for reverse command)
Figure 5-5. Start pulse/ Stop pulse.
The selections including the text
'Rising edge required to start'
shall be used to
exclude the possibility of an unintentional start when, for example, power is connected,
re-connected after a power failure, after a fault reset, after the drive is stopped by Run
Enable (Run Enable = False) or when the control place is changed. The Start/Stop
contact must be opened before the motor can be started.
4
DIN1: closed contact = start forward
(Rising edge required to start)
DIN2: closed contact = start reverse
(Rising edge required to start)
5
DIN1: closed contact = start
(Rising edge required to start)
open contact = stop
DIN2: closed contact = reverse
open contact = forward
6
DIN1: closed contact = start
(Rising edge required to start)
open contact = stop
DIN2: closed contact = start enabled
open contact = start disabled and drive stopped if running
t
NX012K11
REV
Output
frequency
Stop function
(ID506)
= coasting
If Start and Stop pulses are
simultaneous the Stop pulse
overrides the Start pulse
Start
Stop
DIN1
DIN2