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Programming
3-03 Maximum Reference
Range:
Function:
Maximum Reference is adjustable in the
range Minimum Reference -4999.
50.00
[-4999-4999] Enter value for Maximum Reference.
*
The sum of all internal and external
references are clamped (limited) to the
maximum reference value, 3-03 Maximum
Reference.
3-41 Ramp1 Ramp-up Time
Range:
Size
[0.05-3600.00 s] Enter ramp-up time from 0 Hz to
related
rated motor frequency (f
*
1-23 Motor Frequency.
Select a ramp-up time ensuring
that torque limit is not exceeded,
see 4-16 Torque Limit in Motor
Mode.
3-42 Ramp1 Ramp-down Time
Range:
Function:
Size
[0.05-3600.00
Enter ramp down time from rated
related
s]
motor frequency (f
*
Frequency to 0 Hz.
Select a ramp down time that does
not cause overvoltage in the inverter
due to regenerative operation of
motor. Furthermore, regenerative
torque must not exceed limit set in
4-17 Torque Limit in Generator Mode.
7.4.2 Quick Menu Parameters - PI Basic
Settings QM2
The following is a brief description of the parameters for
the PI Basic Settings. For a more detailed description, see
®
VLT
Micro Drive FC 51 Programming Guide..
1-00 Configuration Mode
Option:
Function:
Use this parameter for selecting the
application control principle to be used when
a Remote Reference is active.
NOTICE
Changing this parameter resets 3-00
Reference Range, 3-02 Minimum
Reference and 3-03 Maximum Reference
to their default values.
NOTICE
This parameter cannot be adjusted
while motor runs.
[0 ]
Speed
For normal speed control (References).
*
Open Loop
®
VLT
Micro Drive FC 51 Design Guide
Function:
) set in
M,N
) in 1-23 Motor
M,N
MG02K302 - Rev. 2013-12-03
1-00 Configuration Mode
Option:
Function:
[3]
Process
Enables process closed loop control. See
Closed
parameter group 7-3* Process PI Control for
Loop
further information on PI-controller.
3-02 Minimum Reference
Range:
Function:
0.00
[-4999-4999] Enter value for minimum reference.
*
The sum of all internal and external
references are clamped (limited) to the
minimum reference value, 3-02 Minimum
Reference.
3-03 Maximum Reference
Range:
Function:
Maximum Reference is adjustable in the
range Minimum Reference -4999.
50.00
[-4999-4999] Enter value for Maximum Reference.
*
The sum of all internal and external
references are clamped (limited) to the
maximum reference value, 3-03 Maximum
Reference.
3-10 Preset Reference
Option:
Function:
Each parameter set-up contains 8 preset
references which are selectable via 3
digital inputs or bus.
[18]
Bit2
0
0
0
0
1
1
1
1
Table 7.1 Parameter Group 5-1*
Digital Inputs Option [16], [17] and
[18]
[0.00]
-100.00-100.00% Enter the different preset references
using array programming.
*
Normally, 100%=value set in 3-03
Maximum Reference.
However, there are exceptions if 3-00
Reference Range is set to [0] Min - Max.
Example 1:
3-02 Minimum Reference is set to 20 and
3-03 Maximum Reference is set to 50. In
this case 0%=0 and 100%=50.
Example 2:
[17]
[16]
[16]
Bit1
Bit0
Bit0
0
0
0
0
1
1
1
0
2
1
1
3
0
0
4
0
1
5
1
0
6
1
1
7
61
7
7
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