Danfoss VLT AutomationDrive FC 302 Instruction Manual page 68

Programming
Digital input function
External interlock
DigiPot increase
DigiPot decrease
DigiPot clear
Digipot hoist
Counter A (up)
Counter A (down)
Reset Counter A
Counter B (up)
Counter B (down)
Reset counter B
6 6
Mech. brake feedb.
Mech. brake feedb. inv.
PID error inv.
PID reset I-part
PID enable
PTC card 1
Profidrive OFF2
Profidrive OFF3
Start edge triggered
Safe option reset
Table 6.5 Digital Input Functions
FC 300 standard terminals are 18, 19, 27, 29, 32 and 33.
MCB 101 terminals are X30/2, X30/3 and X30/4.
Terminal 29 functions as an output only in FC 302.
Functions dedicated to only one digital input are stated in
the associated parameter.
All digital inputs can be programmed to these functions:
[0] No
operation
[1] Reset
[2] Coast
inverse
[3] Coast and
reset
inverse
[4] Quick stop
inverse
[5] DC brake
inverse
66
Instruction Manual
Select Terminal
[51]
[55] All
[56] All
[57] All
[58] All
[60] 29, 33
[61] 29, 33
[62] All
[63] 29, 33
[64] 29, 33
[65] All
[70] All
[71] All
[72] All
[73] All
[74] All
[80] All
[91]
[92]
[98]
[100]
No reaction to signals transmitted to the
terminal.
Resets adjustable frequency drive after a TRIP/
ALARM. Not all alarms can be reset.
(Default digital input 27): Coasting stop,
inverted input (NC). The adjustable frequency
drive leaves the motor in free mode. Logic '0'
⇒ coasting stop.
Reset and coasting stop Inverted input (NC).
Leaves the motor in free mode and resets the
adjustable frequency drive. Logic '0' ⇒ coasting
stop and reset.
Inverted input (NC). Generates a stop in
accordance with the quick-stop ramp time set
in 3-81 Quick Stop Ramp Time. When motor
stops, the shaft is in free mode. Logic '0' ⇒
Quick stop.
Inverted input for DC braking (NC). Stops
motor by energizing it with a DC current for a
Danfoss A/S © Rev. 2014-02-07 All rights reserved.
certain time period. See 2-01 DC Brake Current
to 2-03 DC Brake Cut-in Speed [RPM]. The
function is only active when the value in
2-02 DC Braking Time is different from 0.
Logic '0' ⇒ DC braking.
[6] Stop Stop inverted function. Generates a stop
inverse function when the selected terminal goes from
logical level '1' to '0'. The stop is performed
according to the selected ramp time
(parameter 3-42 Ramp 1 Ramp-down Time,
3-52 Ramp 2 Ramp-down Time, 3-62 Ramp 3
Ramp-down Time, 3-72 Ramp 4 Ramp-down
Time).
NOTICE!
When the adjustable frequency drive is
at the torque limit and has received a
stop command, it does not always stop
by itself. To ensure that the adjustable
frequency drive stops, configure a
digital output to [27] Torque limit & stop
and connect this digital output to a
digital input that is configured as coast.
[8] Start (Default digital input 18): Select start for a
start/stop command. Logic '1' = start, logic '0'
= stop.
[9] Latched The motor starts if a pulse is applied for min. 2
start ms. The motor stops when stop inverse is
activated or a reset command (via DI) is given.
[10] Reversing (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
4-10 Motor Speed Direction. The function is not
active in process closed-loop.
[11] Start Used for start/stop and for reversing on the
reversing same wire. Signals on start are not allowed at
the same time.
[12] Enable start Disengages the counter-clockwise movement
forward and allows for the clockwise direction.
[13] Enable start Disengages the clockwise movement and
reverse allows for the counter-clockwise direction.
[14] Jog (Default digital input 29): Use to activate jog
speed. See parameter 3-11 Jog Speed [Hz].
[15] Preset Shifts between external reference and preset
reference reference. It is assumed that [1] External/preset
on has been selected in 3-04 Reference Function.
Logic '0' = external reference active; logic '1' =
one of the eight preset references is active.
[16] Preset ref Preset ref. bit 0,1, and 2 enables a choice
bit 0 between one of the eight preset references
according to Table 6.6.
MG37A222