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Mains failure
inverted
is to be selected if parameter
407
Mains failure
and/or parameter 408
Quick dis-
charge
is to be activated. Mains failure inverted is
active in the logical `0' situation.
See also Mains fault/quick discharge on page 66, if
required.
NOTE
The frequency converter can be totally
damaged by repeating the Quick dis-
charge function on the digital input with
mains voltage connected to the SYSTEM.
Pulse reference is selected if a pulse sequence (fre-
quency) of 0 Hz is used, corresponding to Ref
MIN
,
parameter 204. The frequency is set in parameter 327,
corresponding to Ref
MAX
.
Pulse feedback is selected if a pulse sequence (fre-
quency) is selected as a feedback signal.
Select Encoder feedback, input A,
if encoder feed-
back is to be used after choosing Speed control,
closed loop or Torque control, speed feedback in pa-
rameter 100. Set Pulse/rpm in parameter 329.
Select Encoder feedback, input B,
if encoder feed-
back is to be used with a 90° pulse to register the
direction of rotation.
Safety interlock has the same function as
Coasting
stop, inverse,
but
Safety interlock
generates the alarm
message “external fault” on the display when the se-
lected terminal is logic “0”. The alarm message will
also be active via digital outputs 42/45 and relay out-
puts 01/04 if programmed for
Safety interlock.
The
alarm can be reset using a digital input or the [OFF/
STOP] key.
Data change lock is selected if data changes to pa-
rameters are not to be made via the control unit; how-
ever, it will still be possible to carry out data changes
via the bus.
301
Terminal 17, input
(DIGITAL INPUT 17)
Value:
See parameter 300.
Function:
This parameter allows a choice between the different
options on terminal 17.
The functions are shown in the table at the beginning
of the section
Parameters - Inputs and Outputs
. Maxi-
mum frequency for terminal 17 is 5 kHz.
Description of choice:
See parameter 300.
302
Terminal 18 Start, input
(DIGITAL INPUT 18)
Value:
See parameter 300.
Function:
This parameter allows a choice between the different
options on terminal 18. The enabled functions are
shown in the table at the beginning of the section
Pa-
rameters - Inputs and Outputs
.
Maximum frequency for terminal 18 is 5 kHz.
Description of choice:
See parameter 300.
303
Terminal 19, input
(DIGITAL INPUT 19)
Value:
See parameter 300.
Function:
This parameter allows a choice between the different
options on terminal 19. The functions are shown in the
table at the beginning of the section
Parameters - In-
puts and Outputs
.
Maximum frequency for terminal 19 is 5 kHz.
Description of choice:
See parameter 300.
VLT
®
5000 Series
= factory setting, () = display text, [] = value for use in communication via serial communication port
112
MG.51.C5.22 - VLT
p
is a registered Danfoss trademark.
Содержание VLT 5000 Series
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