
—————— TPD32-EV ——————
184
6.11.2 Speed base value, Full load current and Encoder Speed Resolution
CONFIGURATION
[45]
Speed base value [FF]
[179]
Full load curr [A]
[175]
Max out voltage [V]
[409]
Encoder SpdRes
Parameter description
No.
Value
Standard
Configuration
min
max
Factory
American
Factory
Standard
Speed base value [FF]
45
1
16383
1500
1500
-
Full load curr [A]
179
0.1
P465
P465
P465
-
Max out voltage [V]
175
20
999
400
400
-
Encoder SpdRes
409
1
20
1
1
-
Speed base value
The
Speed base value
is defined by the unit specified in the factor function. It is the
reference value for all speed values (reference values, adaptive speed regulation.) given
as a percentage, and corresponds to 100% of the speed. Changing this parameter is only
possible when the drive is disabled (
Enable drive
= Disabled). The
Speed base value
does not define the maximum possible speed, which in some cases can be formed from
the addition of several reference values. This is defined with
Speed max amount
.
Full load curr
The
Full load curr
(FLC) parameter is defined in Amps. It corresponds to 100 % of
the current limit. The settings for the current limit and the overload function are based
on this active current value.
Max out voltage
Max armature voltage supplied from the drive. When it has been set as
Flux reg mode
“Voltage control”,
Max out voltage
corresponds to the crossover point. This parameter
has an influence on the intervention threshold of the “Overvoltage” message.
Encoder Spd Res
This parameter allows to achieve a greater resolution on the speed reference. Its value
is the reverse of the desired speed resolution. Default and minimum value = 1. Max
value = 20.
Setting 1 (default condition) the resolution is 1rpm
Setting 10 the speed resolution is 0,1rpm
This parameter can be used only in case, as feedback of the motor speed, it is used an
encoder connected to the Encoder 2 connector (XE2). The FW of the drive does not
allow to set
Encoder Sped Res
> 1 in case the feedback is different from Encoder 2 or
in case the function “
Enable fbk bypass
” is enabled.
In the same way, the FW does not allow to set a speed feedback different from Encoder
2 or enable the function “
Enable fbk bypass
” in case
Encoder Spd Res
has been set
> 1.
The value that can be assigned to the
Encoder Spd Res
parameter, are strongly related
to the
Encoder 2 pulses
value. The allowed values are those for which the ratio
Encoder
2 pulses
/
Encoder Spe Res
gives an integer result.
When
Encoder Spd Res
is > 1, it is necessary to set all the parameters representing the
speed of the motor in [rpm], multiplied times the E
ncoder Spd Res
value. For example,
if
Encoder Spd Res
= 10 and the motor max speed is 60.4 rpm, the
Motor max speed
value must be set to 604.
Similarly, the speed feedback and speed measurements in [rpm] are displayed as real
speed multiplied times the
Encoder Spd Res
value.
n
ote
!
The higher resolution is normally requested in case of motors with low speed. In any case the
max speed reference multiplied times
Encoder Spd res
value must not exceed 7000 (700.0
Содержание TPD32-EV-...-2B
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