Danfoss VT2800 Series Design Manual page 85

outputs can be programmed to gi v e a warning signal
via terminal 46 and via the relay output.
Description of choice:
The lower signal limit of the output frequency f
must be programmed within the normal operating
range of the frequency converter. See drawing at
parameter 223 Warning: Low current, I
226 Warning: High frequency f
(WARN.FREQ.HIGH)
Value:
Par. 200 Frequency range = 0-132 Hz [0]/[1].
par. 225 f - 132 Hz
LOW
Par. 200 Frequency range = 0-1000 Hz [2]/[3].
par. 225 f - 1000 Hz
LOW
Function:
If the output frequency exceeds the preset
limit f a warning is gi v en.
HIGH
Parameters 223-228 Warning functions do not
work during ramp-up after a start command and
after stop command or during stop. The warning
functions are acti v ated when the output frequency
has reached the resulting reference. The signal
outputs can be programmed to gi v e a warning signal
via terminal 46 and via the relay output.
Description of choice:
The output frequency's upper signal limit f
be programmed within the frequency converter's
normal operating range. See drawing at parameter
223 Warning: Low current, I
227 Warning: Low feedback, FB
(WARN.FEEDB. LOW)
Value:
-100,000.000 - par. 228 Warn.:FB
Function:
If the feedback signal falls below the preset
limit FB , a warning is gi v en.
LOW
Parameters 223-228 Warning functions are out of
function during ramp-up after a start command and
after a stop command or during stop. The warning
functions are acti v ated when the output frequency has
reached the resulting reference.The signal outputs can
be programmed to gi v e a warning signal via terminal 46
= factory setting. () = display text [] = value for use in communication via serial communication port
MG.28.E9.02 - VLT is a registered Danfoss trademark
LOW
.
LOW
HIGH
132.0 Hz
132.0 Hz
must
HIGH
.
LOW
LOW
-4000.000
HIGH
®
VLT 2800 Series
and via the relay output.The unit for feedback in Closed
loop is programmed in parameter 416 Process units.
Description of choice:
Set the required value within the feedback range
(parameter 414 Minimum feedback, FB
415 Maximum feedback, FB
228 Warning: High feedback, FB
(WARN.FEEDB HIGH)
Value:
Par. 227 Warn.: FB
LOW
Function:
If the feedback signal gets above the preset
limit FB , a warning is gi v en.
HIGH
Parameters 223-228 Warning functions are out of
function during ramp-up after a start command
and after a stop command or during stop. The
warning functions are acti v ated when the output
frequency has reached the resulting reference.
The signal outputs can be programmed to gi v e a
warning signal via terminal 46 and via the relay
output. The unit for feedback in Closed loop is
programmed in parameter 416 Process units.
Description of choice:
Set the required value within the feedback range
(parameter 414 Minimum feedback, FB
415 Maximum feedback, FB
229 Frequence bypass, bandwidth
(FREQ BYPASS B.W.)
Value:
0 (OFF) - 100 Hz
Function:
Some systems call for some output frequencies
to be avoided because of mechanical resonance
problems in the system. In parameters 230-231
Frequency bypass these output frequencies can be
programmed. In this parameter a bandwidth can be
defined on either side of these frequencies.
Description of choice:
The frequency set in this parameter will be centered
around parameters 230 Frequency bypass 1
and 231 Frequency bypass 2.
and
MIN
).
MAX
HIGH
- 100,000.000
4000.000
and
MIN
).
MAX
0 Hz
85