Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
официальный партнер Сименс
Каталог СА01 2017
архивный
(4872) 700-366
skenergo@mail.ru

SINAMICS G130 Drive converter chassis units
Communication with higher-level controller and customer terminal block

A PROFIBUS or PROFINET communication interface is provided as standard on the CU320?2 Control Unit for use as a customer interface to the controller; there are also expansions such as the TM31 Terminal Module, the TB30 Terminal Board and modules to support CANopen or EtherNet/IP communication.

These interfaces can be used to connect the system to the higher-level controller using analog and digital signals, or to connect additional devices.

To simplify configuration and commissioning of the drive, the TM31 Terminal Module can be preset with a variety of factory settings.

For further information, please refer to the SINAMICS Low Voltage Engineering Manual.

Open-loop and closed-loop control functions

The converter control contains a high-quality vector control with speed and current control as well as motor and converter protection.

Software and protective functions

The software functions available as standard are described below:

Software and protective functions

Description

Setpoint specification

The setpoint can be specified both internally and externally; internally as a fixed setpoint, motorized potentiometer setpoint or jog setpoint, externally via the communications interface or an analog input on the customer terminal block. The internal fixed setpoint and the motorized potentiometer setpoint can be switched or adjusted via control commands from any interface.

Motor identification

The automatic motor identification function makes commissioning faster and easier and optimizes closed-loop control of the drive.

Ramp-function generator

A user-friendly ramp-function generator with separately adjustable ramp-up and ramp-down times, together with adjustable rounding times in the lower and upper speed ranges, allows the drive to be smoothly accelerated and braked. As a consequence, this avoids the drive train from being overloaded and reduces the stress on mechanical components. The down ramps can be parameterized separately for quick stop.

Vdc max controller

The Vdc max controller automatically prevents overvoltages in the DC link, if the set down ramp is too short, for example. This may also extend the set ramp-down time.

Vdc_min control

For brief line supply failures, the kinetic energy of the rotating drive is used to buffer the DC link and therefore prevents fault trips. The converter remains operational as long as the drive can provide regenerative energy as a result of its motion and the DC-link voltage does not drop below the shutdown threshold. When the line supply recovers within this time, the drive is again accelerated up to its speed setpoint.

Automatic restart 1)

The automatic restart switches the drive on again when the power is restored after a power failure, and ramps up to the current speed setpoint.

Flying restart 1)

The flying restart function allows the converter to be switched to a motor that is still turning. With the voltage sensing capability provided by the optional VSM10 Voltage Sensing Module, the flying restart time for large induction motors can be significantly reduced because the motor does not need to be de-magnetized.

Technology controller

The technology controller function module allows simple control functions to be implemented, e.g. level control or volumetric flow control. The technology controller is designed as a PID controller. The differentiator can be switched to the control deviation channel or to the actual value channel (factory setting). The P, I, and D components can be set separately.

Free function blocks

Using the freely programmable function blocks, it is easy to implement logic and arithmetic functions for controlling the SINAMICS G130. The blocks can be programmed by means of an operator panel or the STARTER commissioning tool.

Drive Control Chart (DCC)

Drive Control Chart (DCC) is an additional tool for the easy configuration of technology functions for the SINAMICS G130. The block library contains a large selection of control, arithmetic and logic blocks as well as extensive open-loop and closed-loop control functions. The user-friendly DCC editor enables easy graphics-based configuration, allows control loop structures to be clearly represented and provides a high degree of reusability of charts that have already been created. DCC is an add-on to the STARTER commissioning tool.

I?t detection for motor protection

A motor model stored in the converter software calculates the motor temperature based on the current speed and load. More exact measurement of the temperature, which also takes into account the influence of the ambient temperature, is possible by means of direct temperature measurement using KTY84 sensors in the motor winding.

Motor temperature evaluation

Motor protection by evaluating a KTY84, PTC or Pt100 temperature sensor. When a KTY84 sensor is connected, the limit values can be set for alarm or shutdown. When a PTC thermistor is connected, the system reaction to triggering of the thermistor (alarm or trip) can be defined.

Motor blocking protection

A blocked motor is detected and protected against thermal overloading by a fault trip.

Essential service mode

Special converter operating mode that increases the availability of the drive system, e.g. in the event of a fire.

Bypass

This circuit allows the motor to be operated via the converter or directly on the line supply.

Brake control

"Simple brake control" for control of holding brakes:
The holding brake is used to secure drives against unwanted motion when deactivated.

"Extended brake control" function module for complex brake control, e.g. for motor holding brakes and operational brakes:
When braking with a feedback signal, the brake control reacts to the feedback signal contacts of the brake.

Write protection

Write protection to prevent unintentional changing of the setting parameters (without password function).

Know-how protection

Know-how protection for encrypting stored data, e.g. to protect configuration know-how, and to protect against changes and duplication (with password function).

Web server

The integrated web server provides information about the drive unit via its web pages. The web server is accessed using an Internet browser via unsecured (http) or secured transmission (https).

Power unit protection

Description

Ground fault monitoring at the output

A ground fault at the output is detected by a total current monitor and results in shutdown in grounded systems.

Electronic short-circuit protection at the output

A short-circuit at the output (e.g. at the converter output terminals, in the motor cable or in the motor terminal box) is detected and the converter shuts down with a "fault".

Thermal overload protection

An alarm is issued first when the overtemperature threshold responds. If the temperature rises further, the device either shuts down or independently adjusts the pulse frequency or output current so that a reduction in the thermal load is achieved. Once the cause of the fault has been eliminated (e.g. cooling has been improved), the original operating values are automatically resumed.



1) Factory setting: Not activated (can be parameterized).

















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Арматура DENDOR

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Датчики и измерители

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Регуляторы и регистраторы

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Пневматическое оборудование

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Краны и Клапаны

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Измерительные приборы

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Системы беспроводного управления «умный дом»

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Бесконтактные выключатели Конечные выключатели Оптические датчики Энкодеры

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SKW-FS - Установка умягчения

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SKW-FK - Установка обезжелезивания

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