![ZIEHL-ABEGG FXET4AMQ Operating Instructions Manual Download Page 68](http://html1.mh-extra.com/html/ziehl-abegg/fxet4amq/fxet4amq_operating-instructions-manual_3705127068.webp)
Overload 1
Indication:
Overload1
If the modulation (frequency) of the device only corresponds to the value set in
“
Derating Alarm
”
due to too high an internal temperature, the fault indication
“
Over-
load
”
is displayed.
Behaviour of the relays
“
K1
”
and
“
K2
”
in case of factory setting (
IO Setup)
The alarm relay
“
K2
”
drops out, the terminals 21-22 are bridged, the operation relay
“
K1
”
stays pulled up (terminals 11-14 bridged).
9.12.9
Suppression of speeds
Suppression of up to three speed ranges.
Under certain circumstances, it is possible to prevent disturbing noises that can arise at certain
speeds due to resonances.
Example for suppression of 2 ranges (Idealized principle diagram)
A
D
P
50 %
50 %
R
0 %
I
S
100 %
I
35 % max
15 % min
09.05.2007
v_ausblendung_prz.vsd
100 %
1
2
A
Modulation
S
Setpoint
R
Pband
D
Speed controller: setting signal
P
P-controller: control deviation
Setting depending on device type
in: %, Hz, rpm
Suppression1
→
Factory setting no suppression active =
“
OFF
”
→
Suppression1
Range1 min.
→
Setting for
“
Range1 min.
”
Setting range:
“
Shutdown Freq.
”
-
“
Range 1 max.
”
→
Range1 min.
Range1 max.
→
Setting for
“
Range1 max.
”
Setting range:
“
Range 1 max.
”
-
“
Max. Frequency
”
→
Range1 max.
Suppression2
→
Identical procedures for Suppression2 and Sup-
pression3, as far as desired
→
etc.
Operating Instructions
Fcontrol
–
model series FXET4/6/10AMQ
Programming
L-BAL-E079-GB 1706 Index 008
Part.-No.
68/87