Microcom Technologies Commander General Purpose Variable Speed Drive Gp Manuale Utente
Commander GP User Guide
Issue code: gpxu2
1-2
Introduction
1.3 Configuration
layers
The Drive has three layers of configuration, starting
from the base layer (1) as follows:
from the base layer (1) as follows:
1.
Default configuration
2.
User-interface mode
3.
Macro configuration
Each of the upper layers (2, 3) is superimposed on its
preceeding layer.
preceeding layer.
1.4 Default
configurations
The Drive has a separate default configuration for the
AC
supply conditions in Europe or in the USA. These
two default configurations are distinguished as
follows:
follows:
European
AC
supply voltage at 50Hz
USA
AC
supply voltage at 60Hz
The Drive is despatched from the factory in the
appropriate default configuration for the continent
in which it is to be sold. The default configuration
is Macro 0 (described in Macro configurations later in
this chapter).
appropriate default configuration for the continent
in which it is to be sold. The default configuration
is Macro 0 (described in Macro configurations later in
this chapter).
The default configuration also defines the following
functions:
functions:
Europe
•
Ability to select positive-logic for the digital
control inputs
control inputs
•
Ability to adjust the current-loop PI gains
USA
•
Ability to select digital control by two or
three wires
three wires
•
Frequency demand indication
(These functions apply to Macro 0 only.)
Key used in this User Guide
The following key denotes the default
configuration:
configuration:
EUR>
50Hz
AC
supply (Europe)
USA>
60Hz
AC
supply (USA)
When no key is stated, the information applies to
both default configurations.
both default configurations.
1.5 Operating
mode
For use with standard
AC
induction motors.
The Drive applies power to the motor at frequencies
which are controlled by the user. The motor speed
is a result of the output frequency of the Drive and
slip due to the mechanical load.
which are controlled by the user. The motor speed
is a result of the output frequency of the Drive and
slip due to the mechanical load.
The Drive can power a number of motors connected
in parallel (each motor must be protected against
overload; this is described in the Installation Guide).
in parallel (each motor must be protected against
overload; this is described in the Installation Guide).
The Drive can improve the performance of the
motor by applying the following:
motor by applying the following:
•
Slip compensation
•
Fixed boost or Open-loop Vector operation
Fixed boost applies a fixed voltage boost at low
frequencies.
frequencies.
Open-loop Vector operation maintains almost
constant flux by dynamically adjusting the
motor voltage according to the load on the
motor.
constant flux by dynamically adjusting the
motor voltage according to the load on the
motor.
1.6 User-interface
modes
The motor can be started and stopped, the
direction of rotation reversed and the speed
changed by operation of the Drive in either of the
following user-interface modes:
direction of rotation reversed and the speed
changed by operation of the Drive in either of the
following user-interface modes:
Terminal mode
Applying signals from electrical contacts, a
system controller or PLC to digital and analog
inputs on the Drive.
For the USA default configuration, the Drive can
be configured for digital control by momentary
contacts.
system controller or PLC to digital and analog
inputs on the Drive.
For the USA default configuration, the Drive can
be configured for digital control by momentary
contacts.
Keypad mode
Manual operation of the keypad on the front
panel of the Drive. Minimal signal connections
are made to the Drive.
panel of the Drive. Minimal signal connections
are made to the Drive.