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CG Drives & Automation,01-5326-01r5
Functional Description
139
11.5.6 Torques [350]
Menu with all parameters for torque settings.
Maximum Torque [351]
Sets the maximum motor torque (according to menu group
“Motor Data [220]”). This Maximum Torque operates as an
upper torque limit. A Speed Reference is always necessary to
run the motor.
Communication information
This function compensates for the drop in voltage over
different resistances such as (very) long motor cables, chokes
and motor stator by increasing the output voltage at a
constant frequency. IxR Compensation is most important at
low frequencies and is used to obtain a higher starting
torque. The maximum voltage increase is 25% of the
nominal output voltage. See Fig. 108.
Selecting “Automatic” will use the optimal value according
to the internal model of motor. “User-Defined” can be
selected when the start conditions of the application do not
change and a high starting torque is always required. A fixed
IxR Compensation value can be set in the menu [353].
Communication information
Fig. 108 IxR Comp at Linear V/Hz curve
Only visible if User-Defined is selected in previous menu.
Communication information
351
Max Torque
Default:
120% calculated from the motor data
Range:
0–400%
Modbus Instance no/DeviceNet no:
43141
Profibus slot/index
169/45
EtherCAT and CANopen index (hex)
4c45
Profinet IO index
19525
Fieldbus format
Long, 1=1%
Modbus format
EInt
NOTE: The Max Torque parameter will limit the
maxmum output current of the AC drive following the
relation: 100% Tmot corresponds to 100% Imot.
The maximum possible setting for parameter 351 is
limited by Inom/Imot x 120%, but not higher than
400%.
NOTE: The motor temperature increases very quickly
due to extensive power losses.
NOTE: This menu is visible only in V/Hz mode.
352
IxR Comp
Default:
Off
Off
0
Function disabled
Automatic
1
Automatic compensation
User Defined 2
User defined value in percent.
T
MOT
Nm
(
)
P
MOT
kw
(
)
x9550
n
MOT
rpm
(
)
------------------------------------------
=
= 100%
Modbus Instance no/DeviceNet no:
43142
Profibus slot/index
169/46
EtherCAT and CANopen index (hex)
4c46
Profinet IO index
19526
Fieldbus format
UInt
Modbus format
UInt
353
IxR CompUsr
Default:
0.0%
Range:
0-25% x U
NOM
(0.1% of resolution)
Modbus Instance no/DeviceNet no:
43143
Profibus slot/index
169/47
EtherCAT and CANopen index (hex)
4c47
Profinet IO index
19527
Fieldbus format
Long, 1= 0.1 %
Modbus format
EInt
NOTE: A too high level of IxR Compensation could
cause motor saturation. This can cause a “Power
Fault” trip. The effect of IxR Compensation is
stronger with higher power motors.
NOTE: The motor may be overheated at low speed.
Therefore it is important that the Motor I
2
t Current
[232] is set correctly.
10
20
30
40
50 Hz
f
25
%
U
100
IxR Comp=25%
IxR Com=0%
Содержание Emotron VFX Series
Страница 1: ...Emotron VFX 2 0 AC drive Instruction manual English Valid from software version 4 42...
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Страница 10: ...6 CG Drives Automation 01 5326 01r5...
Страница 50: ...46 Installation CG Drives Automation 01 5326 01r5...
Страница 62: ...58 Getting Started CG Drives Automation 01 5326 03r5...
Страница 74: ...70 EMC and standards CG Drives Automation 01 5326 01r5...
Страница 90: ...86 Operation via the Control Panel CG Drives Automation 01 5326 01r5...
Страница 218: ...216 CG Drives Automation 01 5326 01r5...
Страница 226: ...224 Troubleshooting Diagnoses and Maintenance CG Drives Automation 01 5326 01r5...
Страница 236: ...234 Options CG Drives Automation 01 5326 01r5...
Страница 256: ...254 Technical Data CG Drives Automation 01 5326 01r5...
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