Danfoss FC 300 Design Manual page 193

FC 300 Design Guide
All = Terminals 18, 19, 27, 29, 32, 33, X30/2,
X30/3, X30/4. X30/ are the terminals on MCB 101.
Terminal 29 is available in FC 302 only.
Functions dedicated to only one digital input are
stated in the associated parameter.
All digital inputs can be programmed to
these functions:
No operation [0]: The frequency converter will
•
not react to signals transmitted to the terminal.
Reset [1]: Reset the frequency converter after
•
a TRIP/ALARM. Not all alarms can be reset.
Coast inverse [2]
•
27): Coasting stop, inverted input (NC). The
frequency converter leaves the motor in free
mode. Logic '0' => coasting stop.
Coast and reset inverse
•
coasting stop Inverted input (NC). The
frequency converter leaves the motor in
free mode and resets the drive. Logic '0'
=> coasting stop and reset.
Quick stop inverse
•
(NC). Generate a stop in accordance with
the quick-stop ramp time set in par. 3-81.
When the motor stops, the shaft is in free
mode. Logic '0' => Quick-stop.
• DC-brake inverse
braking (NC). Stops the motor by energizing
it with a DC current for a certain time period.
See par. 2-01 to par. 2-03. The function is only
active when the value in par. 2-02 is different
from 0. Logic '0' => DC braking.
• Stop inverse [6]:Stop Inverted function.
Generate a stop function when the selected
terminal goes from logical level '1' to '0'. The
stop is performed according to the selected ramp
time (par. 3-42, par. 3-52, par. 3-62, par. 3-72).
NOTE
When the frequency converter is at the
torque limit and has received a stop
command, it may not stop by itself.
To ensure that the frequency converter stops,
configure a digital output to Torque limit & stop
[27] and connect this digital output to a digital
input that is configured as coast.
Start [8] (Default Digital input 18): Select
•
start for a start/stop command. Logic '1'
= start, logic '0' = stop.
* default setting ( ) display text
How to Program
(Default Digital input
[3]: Reset and
[4]: Inverted input
[5]: Inverted input for DC
[ ] value for use in communication via serial communication port
MG.33.B6.22 - VLT is a registered Danfoss trademark
Latched start [9]: The motor starts, if a
•
pulse is applied for min. 2 ms. The motor
stops when Stop inverse is activated.
Reversing [10]: (Default Digital input 19).
•
Change the direction of motor shaft rotation.
Select Logic '1' to reverse. The reversing
signal only changes the direction of rotation.
It does not activate the start function. Select
both directions in par. 4-10 Motor Speed
Direction. The function is not active in Speed
closed loop [1] or Torque [2] control in
par. 1-00 Configuration Mode.
• Start reversing [11]: Use for start/stop and
for reversing on the same wire. Signals on
start are not allowed at the same time.
Enable start forward
•
shaft must rotate clockwise at start.
Enable start reverse
•
shaft must rotate counter-clockwise at start.
Jog [14] (Default Digital input 29): Use
•
for shifting between external reference and
preset reference. Select External/preset [2]
in par. 2-14. Logic '0' = external references
active; Logic '1' = one of the four references
is active according to the table below.
Preset reference on [15]:
•
between external reference and preset
reference. It is assumed that External/preset
[1] has been selected in par. 3-04. Logic '0'
= external reference active; logic '1' = one of
the eight preset references is active.
Preset ref bit 0 [16]: Preset ref. bit 0,1, and
•
2 enables a choice between one of the eight
preset references according to the table below.
Preset ref bit 1 [17]: Same as Preset
•
ref bit 0 [16].
Preset ref bit 2 [18]: Preset ref bit 2 [18]:
•
Same as Preset ref bit 0 [16].
Present ref. bit
Preset ref. 0
Preset ref. 1
Preset ref. 2
Preset ref. 3
Preset ref. 4
Preset ref. 5
Preset ref. 6
Preset ref. 7
[12]: Use if the motor
[13]: Use if the motor
Use for shifting
2 1 0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
193