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210
Ramp-down time 2
(RAMP DOWN TIME 2)
Value:
0.05 - 3600 sec.
depends on unit
Function:
See description of parameter 208.
Description of choice:
Program the desired ramp-down time.
Switching from ramp 1 to ramp 2 is effected via a signal
on digital input terminal 16, 17, 29, 32 or 33.
211
Jog ramp time (JOG RAMP TIME)
Value:
0.05 - 3600 sec.
depends on unit
Function:
The jog ramp time is the acceleration/deceleration
time from 0 Hz to the rated motor frequency f
M,N
(pa-
rameter 104). It is assumed that the output current is
not higher than the torque limit (set in parameter 221).
The jog ramp time starts if a jog signal is given via the
control panel, the digital inputs or the serial communi-
cation port.
Description of choice:
Set the desired ramp time.
212
Quick stop ramp-down time
(Q STOP RAMP TIME)
Value:
0.05 - 3600 sec.
depends on unit
Function:
The ramp-down time is the deceleration time from the
rated motor frequency to 0 Hz, provided no over- volt-
age arises in the inverter because of generating oper-
ation of the motor or if the generated current becomes
higher than the torque limit (set in parameter 222).
Quick-stop is activated by means of a signal on digital
input terminal 27, or via the serial communication port.
Description of choice:
Program the desired ramp-down time.
213
Jog frequency (JOG FREQUENCY)
Value:
0.0 - parameter 202
10.0 Hz
Function:
The jog frequency f
JOG
is the fixed output frequency at
which the adjustable frequency drive is running when
the jog function is activated.
Description of choice:
Set the desired frequency.
214
Reference function
(REF FUNCTION)
Value:
Sum. (SUM)
[0]
Relative (RELATIVE)
[1]
External/preset (EXTERNAL/PRESET)
[2]
Function:
It is possible to define how the preset references are
to be added to the other references. For this purpose,
Sum
or
Relative
is used. It is also possible - by using
the
External/preset
function - to select whether a shift
between external references and preset references is
desired.
Description of choice:
If
Sum
[0] is selected, one of the adjusted preset ref-
erences (parameters 215-218) is added as a percent-
age of the maximum possible reference.
If
Relative
[1] is selected, one of the adjusted preset
references (parameters 215-218) is added to the ex-
VLT
®
5000 Series
= factory setting, () = display text, [] = value for use in communication via serial communication port
MG.51.C5.22 - VLT
p
is a registered Danfoss trademark.
103
Progra
mming
Содержание VLT 5000 Series
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Страница 186: ...VLT 5000 Series MG 51 C5 22 VLT p is a registered Danfoss trademark 183 EC EMC ...
Страница 196: ...RELATIVE VLT 5000 Series MG 51 C5 22 VLT p is a registered Danfoss trademark 193 List of functions ...
Страница 197: ...EXTERNAL PRESET VLT 5000 Series 194 MG 51 C5 22 VLT p is a registered Danfoss trademark ...
Страница 198: ...References VLT 5000 Series MG 51 C5 22 VLT p is a registered Danfoss trademark 195 List of functions ...
Страница 202: ...VLT 5000 Series MG 51 C5 22 VLT p is a registered Danfoss trademark 199 List of functions ...
Страница 217: ...VLT 5000 Series 214 MG 51 C5 22 VLT p is a registered Danfoss trademark ...
Страница 238: ...Rev 2006 12 12 www danfoss com drives 175R5271 MG51C522 MG51C522 MG51C522 VLT 5000 Instruction Manual ...
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