DINA SAFEONE DN3PD2 - Page 17

4 Product description
SAFEONE DN3PD2 Manual 12
4.3.1 Functional diagram with start-up monitoring
Automatic acknowledgement
(fmin must be at least 1,1Hz !)
Manual acknowledgement
Hysteresis
t
f
Q-aut om.
fmax
13/14, 23/24
1 Hz
0,5 Hz
fmin
Hysteresis
tA
>tmin <tmin
tA
1 2 3 54 6 7 8
Hysteresis
t
f
Q-manual
fmax
13/14, 23/24
fmin
Hysteresis
tA
tA
tA
1 2 3 54 6 7 8
tQ
1
Start-up monitoring time starts if f>1Hz
1
Start-up monitoring time starts with the falling
edge of the acknowledgement signal.
2
Start-up monitoring time is expired. Enabling
current path remains closed because f>fmin.
2
Start-up monitoring time is expired. Enabling
current path remains closed because f>fmin.
3
Enabling current path opens because f<fmin
3
Enabling current path opens because f<fmin.
4
Enabling current path closes, if f<0,5Hz.
4
Start-up monitoring time starts with the falling
edge of the acknowledgement signal.
5
Start-up monitoring time starts if f>1Hz.
5
Start-up monitoring time is expired. Enabling
current path opens because f < fmin1.
6
Start-up monitoring time is expired. Enabling
current path opens because f < fmin.
6
Start-up monitoring time starts again.
7
The setpoint speed was reached outside of
the minimum switch-off time. Enabling cur-
rent path closes.
7
Start-up monitoring time is expired. Enabling
current path remains closed.
8
The setpoint speed was reached within the
minimum switch-off time. Enabling current
path closes after 0.5s.
8
Enabling current path closes because
fmin < f < fmax
4.3.2 Functional diagram without start-up monitoring
Hysteresis
t
Q-man
t
Q
t
Q
t
Q
f
Q-aut o
fmax
fmin
Hysteresis
13/14, 23/24
13/14, 23/24