Specifications

MCD3000 Series
✭ = factory setting
22 MG.15.A4.22 - VLT is a registered Danfoss trademark
Pro
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rammin
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18 D.C.Brake - Brake Time
Value:
0 - 10 seconds
✭ 0 seconds (Off)
Function:
Sets the time of operation of the D.C. Braking
function.
Description of choice:
Set as required. A setting of 0 seconds turns the
D.C.Brake function Off.
ATTENTION
MCD3000 Relay Output C must be
programmed for the D.C.Brake Contactor
Control so that the shorting contactor functions
correctly. Refer Par. 38 Relay C - Function Assignment
for adjustment procedure.
ATTENTION
The D.C.Brake and Soft Stop functions cannot
be used together. Setting a D.C.Brake - Brake
Time greater than 0 seconds causes Par. 5 Soft Stop
Ramp Time and Par.29. Soft Stop Ramp Time
(secondary parameter set) to be set to 0 seconds.
ATTENTION
During operation of the D.C.Brake function the
MCD3000 display shows the letters ’br’ as
shown below.
19 D.C.Brake - Brake Torque
Value:
30% - 100% Braking Torque
✭ 30%
Function:
Sets the D.C.Brake level as a % of maximum braking
torque.
Description of choice:
Set as required.
ATTENTION
For very high inertia loads more braking torque
is available by use of the ’Soft Braking’
technique described in the Design Guide section of
this manual.
20 Local / Remote Mode
Value:
0 - 3
✭ 0 ([LOCAL/REMOTE] button enabled)
0 = [Local/Remote] push button on MCD3000
enabled all the time.
1 = [Local/Remote] push button on MCD3000
enabled only while motor stopped.
2 = Local control only. (MCD3000 push buttons
enabled, remote inputs disabled)
3 = Remote control only. (MCD3000 push buttons
disabled, remote inputs enabled)
Function:
Determines when MCD3000 push buttons and remote
control inputs are operative. Also when, and if, the
[Local/Remote] push button can be used to switch
between local and remote control.
Description of choice:
Set according to desired operational requirements.
21 Current Gain
Value:
85% - 115% ✭ 100%
Function:
Adds a gain to the MCD3000 current monitoring
circuits. These circuits are factory calibrated with an
accuracy of ±5%. The gain can be used to match the