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Overview
Easy handling, utmost reliability, superior efficiency and advanced digitalization – Siemens offers an answer to these trends with the SINAMICS G120XA converter series. SINAMICS G120XA is an innovative and user-friendly converter series that has been specifically developed for applications performed in infrastructure environments such as water/wastewater, but also for tasks in building automation. In this context, the converter supports, for example, pump, fan and compressor applications through numerous integrated functionalities and combines these in one device for the target sectors.
The SINAMICS G120XA converter series is intended for driving pumps and fans or comparable passive loads with low dynamic requirements.
The SINAMICS G120XA converter is an integrated and efficient drive solution for a wide range of tasks. The system allows convenient handling through optimized user interfaces: IOP‑2 Intelligent Operator Panel with graphic color display and the optional web server module SINAMICS G120 Smart Access – a WLAN-based web server solution. Thus, the SINAMICS G120XA fulfills the request for an easy and fast setup of the devices during the commissioning phase. Further, experienced users can use the full flexibility of a SINAMICS converter and adjust the relevant application to their requirements.
Totally integrated operation – this approach is also supported from ordering through to delivery.
For example, all the major features of the converter are configured and displayed in the article number. The delivery includes the complete device – as configured – that means, the converter and the selected operator panel.
In addition, SINAMICS G120XA has an extremely rugged and reliable construction and an integrated DC link reactor up to 250 kW.
Further, the SINAMICS G120XA converter series provides innovative hardware and software functions, e.g. for controlling synchronous reluctance drive systems. In this way, the SINAMICS G120XA converter series makes a substantial contribution towards saving energy and makes more careful use of our natural resources.
Portfolio range
The SINAMICS G120XA, USS and PN versions, converter series offers a seamless system approach with wide options of built-in communication interfaces including PROFINET, EtherNet/IP or USS, Modbus RTU, BACnet MS/TP.
User-friendliness
A high degree of user-friendliness is one of the main characteristics of the SINAMICS G120XA:
- Operator panel with color display and extensive diagnostics functions (IOP‑2 Intelligent Operator Panel)
- Two different setup options are available: Standard and quick start with graphical user guidance
- Optimized setups for pumps and fans in the web server module SINAMICS G120 Smart Access
- SINAMICS SD card for storing parameter settings, cloning and local commissioning
Integrated functionalities for the start/operating/stop phases of the application
SINAMICS G120XA is always preset, depending on the selected converter performance. Further, the following functions can be easily selected and parameterized:
Start phase
During the start phase, the following functions are supported by default:
- Deragging mode for pumps for cleaning the pump system, improving efficiency and reducing wear
- Pipe filling mode for preventing pressure shocks in pipeline systems
- Two acceleration ramps for shorter start/stop times
- Flying restart of the running motor for fast hot restart
- Automatic restart function after power failure during short downtimes
Operating phase
During the operating phase, the following functions are supported by default:
- Continued run mode with autonomous reduction of output and pulse frequency
- PID controller for autonomous closed-loop control mode, operated according to analog input values
- Up to 16 variable-speed setpoints as fixed frequencies
- Speed monitoring via sensor (pulse input)
- Multi-pump control of up to four pumps
- Protection against blocking, leakage, dry running and cavitation
- Fire response mode for extended operation in case of emergency
- Skip frequencies for skipping critical frequencies and avoiding vibration
- Real time clock for switching over setpoints or controlling releases
Stop phase
During the stop phase, the following functions are supported by default:
- ON/OFF2 for an optimized braking
- Condensation protection for the motor
- Frost protection function for the pump
A detailed description of the functions and connection diagrams is included in the device documentation.
Commissioning of complex applications
Sample applications, which include the description and device setting, are provided for SINAMICS G120XA.
The following application descriptions are available:
- Fan for exhaust air with closed-loop control of pressure and air quality
- Fan for cooling tower with closed-loop control of the cooling water temperature
- Fan for tunnel/parking garage with closed-loop control of air quality and essential service mode
- Fan for supply air with closed-loop control of pressure, temperature, air quality and flowrate
- Pumps with closed-loop control of the pressure
- Pumps with closed-loop control of the filling level
- Pumps for cooling circuits with closed-loop control of the temperature
- Compressor with closed-loop control of the pressure
- Vacuum pump with closed-loop control of the pressure
Benefits
Energy efficiency
SINAMICS G120XA increases the efficiency and minimizes energy consumption in the complete process chain. The converter has integrated hardware as well as software functions as standard. The main features are:
- Power units with DC link reactor for extremely high active power component thanks to efficient converter topology – for the same drive power, the converter requires a lower line current than comparable converters
- Flux reduction through automatic adaptation of the motor current to the prevailing load conditions with closed-loop control modes U/f (ECO) and vector without sensor (SLVC) and savings of up to 5 % under partial load conditions
- Hibernation mode dependent on setpoints in the process
- High efficiency up to η = 98 %
Application-specific commissioning and operation using operator panel
- Local commissioning without specialized knowledge of converters thanks to default settings and graphical user interface
- Unique: SINAMICS SD memory card for pre-parameterization and cloning of converter data sets
- Data backup for easy replacement
- Commissioning/diagnostics and controlling of converters
Flexible deployment of integrated functions
- PLC functions for local control tasks for frame sizes FSA to FSG
Flexible use of integrated function blocks → No need for additional, external components - Four integrated PID controllers
Distributed closed-loop control for motor-independent process control without higher-level controller (PLC) - Three freely programmable digital timer switches
Control for freely selectable daily and weekly programs
Flexible deployment across a wide range of applications
- Isolated digital inputs with separate potential group
- Isolated analog inputs
- Potential transfer avoided
- EMC-compliant design without the need for additional components in line with process industry requirements
- Direct connection of recommended, optional PTC, KTY, and Pt1000 temperature sensors
- Direct connection of Pt1000/Ni1000 temperature sensors with optional SINAMICS G120X I/O Extension Module to SINAMICS G120XA with Control Unit for PROFINET, EtherNet/IP
- Connection and evaluation of a recommended, optional Pt100 temperature sensor by using a free analog input and output
- 2/3-wire control for static or pulsed signals for universal control via digital inputs
- 230 V AC relay
- Direct control for auxiliary units, e.g. reactor or valve actuators
- X9 terminal strip for devices with frame sizes FSH and FSJ (315 kW to 560 kW)
- Input for external 24-V-DC supply
- Input for external alarm/fault
- Input for EMERGENCY OFF / EMERGENCY STOP
- Output for 24 V DC
- Control of the main contactor
- Feedback message “DC link charged”
- Use at ambient temperatures
- from -20 °C to +55 °C: PROFINET, EtherNet/IP for frame sizes FSA to FSG
- from -20 °C to +60 °C: USS, Modbus RTU, BACnet MS/TP for frame sizes FSA to FSG
- from 0 °C to +50 °C: Frame sizes FSH and FSJ
- Removable operator panel
- Protection against unauthorized access
- Color-coded signaling of operating states
- Version for harsh environmental conditions
- PCB coating for environmental class/harmful chemical substances Class 3C2 acc. to IEC 60721‑3‑3: 2002
Extended warranty
For SINAMICS G120XA, Siemens offers an optional extended warranty of up to 5 ½ years via Service Protect:
- Free for the first 6 months after registering the product at:
https://myregistration.siemens.com - With costs for 3 or 5 additional years
Application
The specialist for pump, fan and compressor applications
SINAMICS G120XA is ideally suited to pump applications (centrifugal pumps, oscillating and rotating pumps), fan applications (axial and radial fans) and compressor applications (cooling compressors, air and gas compressors). They are deployed in the water/wastewater industries, in industrial environments, and in building automation.
SINAMICS G120XA is ideally suited for the following applications:
- Circulating pumps for heating and cooling systems
- Pumps for pressure boosting stations
- Level control
- Fans in cooling towers
- Fans for air intake and discharge
- Fans for tunnels and multi-story car parks
- Fans for stairwells
- Compressors for cooling units
The SINAMICS G120XA converter series is intended for driving pumps and fans or comparable passive loads with low dynamic requirements. With this converter series, regenerative energy can neither be fed back into the supply system nor dissipated via braking chopper and braking resistor.
Reliable operation in harsh environments
SINAMICS G120XA is suitable for use under harsh environmental conditions:
- Degree of protection IP20 for use in the control cabinet
- Use at ambient temperatures
- -20 °C to +55 °C: PROFINET, EtherNet/IP for frame sizes FSA to FSG
- -20 °C to +60 °C: USS, Modbus RTU, BACnet MS/TP for frame sizes FSA to FSG
- 0 °C to +50 °C: frame sizes FSH and FSJ
- Coated modules for increased resistance to humidity and dust (Class 3C2)
Design
SINAMICS G120XA is a converter system that comprises a power output module and a control module with or without an operator panel.
The converter is configured on the basis of the power requirement and the application. State-of-the-art IGBT technology with pulse-width modulation is used for reliable and flexible motor operation. Comprehensive protection functions provide a high degree of protection for the converter and motor.
The SINAMICS G120XA converters are intended for installation in a control cabinet.
- Selection of the line filter for line voltage 380 V to 440 V 3 AC
- Without integrated line filter, 0.75 kW to 132 kW
- With integrated line filter Category C3, 0.75 kW to 560 kW
- Environmental class/harmful chemical substances acc. to IEC 60721-3-3: 2002
- Class 3C2
- Selection of communication
- USS, Modbus RTU, BACnet MS/TP
- PROFINET, EtherNet/IP
- Selection of the operator panel
The operator panels support user-friendly local commissioning, control and diagnostics and enable complete converter data sets to be pre-parameterized and cloned.- Without operator panel
- BOP-2 Basic Operator Panel
The menu prompting and the 2-line display allow for simple commissioning of the converter. Simultaneous display of the parameter and parameter value, as well as parameter filtering, means that basic commissioning of a drive can also be performed without a printed parameter list. - IOP-2 Intelligent Operator Panel
Supports entry-level personnel as well as drive experts. Thanks to the color display, a user-friendly menu structure and wizards, it is much easier to commission, diagnose and locally control standard drives.
Line-side power components
The following line-side power components are available for the SINAMICS G120XA converters:
- Line filters for Category C3 for frame sizes FSA to FSF
With an additional line filter, the converter without an integrated line filter complies with a higher radio interference class. - Line Harmonics Filter for frame sizes FSB to FSF together with converters without integrated line filters
Using a Line Harmonics Filter makes for a substantial reduction in unwanted harmonics. Thus, a THD(I) value of typically 10 % can be achieved. - Line reactors for devices from 315 kW and for frame sizes FSH and FSJ
Line reactors smooth the current drawn by the converter and thus reduce harmonic components in the line current. Through the reduction of the current harmonics, the thermal load on the power components in the rectifier and in the DC link capacitors is reduced as well as the harmonic effects on the supply. Using a line reactor increases the service life of the converter. The SINAMICS G120XA converters frame sizes FSA to FSG feature an integrated DC link reactor as standard. The use of an additional line reactor is not necessary for this.
Recommended line-side overcurrent protection devices and power components
This section contains recommendations for additional line-side components, such as Siemens fuses and circuit breakers (line-side components must be dimensioned in accordance with IEC standards).
Additional information about the listed fuses and circuit breakers is available in the Catalogs LV 10, IC 10 and IC 10 AO as well as in SiePortal.
Load-side power components
Various load-side power components are available for the SINAMICS G120XA converters. These allow the use of longer shielded motor cables and increase the motor service life:
- Output reactors for frame sizes FSD to FSJ
Output reactors reduce the rate of voltage rise (dv/dt) and the height of the current peaks, and can allow longer motor cables to be connected. - Sine-wave filters for frame sizes FSD to FSG
Sine-wave filters limit the rate of voltage rise (dv/dt) as well as the peak voltages on the motor winding. Similar to an output reactor, they enable the connection of longer motor cables. - dv/dt filters plus VPL for frame sizes FSH and FSJ
dv/dt filters plus VPL (Voltage Peak Limiter) limit the voltage rate-of-rise dv/dt to values of <500 V/μs and the typical voltage peaks to values according to the limit value curve A according to IEC/TS 60034-17: 2006. Standard motors with standard insulation and without insulated bearings can be used for converter operation if a dv/dt filter plus VPL is used.
Optional accessories
- SINAMICS SD memory card
- SINAMICS G120 Smart Access for simple setup via Wi-Fi
- SINAMICS G120X I/O Extension Module for direct connection of Pt1000/Ni1000 temperature sensors at SINAMICS G120XA with Control Unit for PROFINET, EtherNet/IP
- Wiring adapter for frame size FSG for optimal and space-saving wiring
Note:
Shield connection kits for frame sizes FSA to FSC are included in the scope of delivery. For SINAMICS G120XA converters, frame sizes FSD to FSG, the shield connection kits for the Power Module are not included in the scope of delivery but can be ordered as an option.
Spare parts
- FPI board (freely-programmable interface board) for frame sizes FSH and FSJ
- PSB board (power supply board) for frame sizes FSH and FSJ
- Current transformers for frame sizes FSH and FSJ
- Spare parts kit for Control Unit for frame sizes FSA to FSJ
- Shield connection kit for Control Unit for frame sizes FSD to FSG
- Shield connection kits for Power Modules for frame sizes FSA to FSC
- Mounting set for frame sizes FSD to FSG
- Terminal cover kits for covering the connecting terminals for frame sizes FSD to FSG
- Fan units
- external, for frame sizes FSA to FSJ
- internal, for frame sizes FSH and FSJ
- SITOP power supplies for frame sizes FSH and FSJ
- Fuse for the external fan unit for frame sizes FSH and FSJ
- Control Units for frame sizes FSA to FSJ
Function
Technology function
Functions specific to pumps, fans and compressors are already integrated, e.g.:
- Specific firmware functions such as deragging or pipe fill mode
- Automatic restart
Application restart after a power failure or fault occurrence - Flying restart
Connection of the converter when the motor is running - Flux reduction
Automatic adaptation of the motor current to the prevailing load conditions in U/f control mode (ECO mode) as well as in sensorless vector control mode - Cascade connection
Load-dependent connection and disconnection of a maximum of three additional motors by the converter in order to provide a largely constant output power (implemented by means of an additional external circuit) - Hibernation mode
Startup or shutdown of the drive when the relevant value drops below an external setpoint or the internal PID controller setpoint - Real-time clock
For time-dependent process controls, e.g. to reduce the temperature of a heating control at night and with automatic daylight saving/standard time switchover - Freely programmable logical function blocks for frame sizes FSA to FSG for simulating simple PLC functions
Functions especially for building management systems as well as heating/air conditioning/ventilation applications
- Four integrated PID controllers
One PID controller for controlling the drive speed as a function of pressure, temperature, flowrate, fill level, air quality and other process variables; a further three PID controllers with freely configurable outputs, e.g. for controlling valves (heating, cooling) or flaps - Emergency mode
Special converter operating mode that enhances the availability of the drive system in the event of a fire - Bypass mode
When the setpoint is reached or a fault occurs, the system changes over to line operation (implemented by means of an additional external circuit) - Programmable time switches
6SL3220-3YD46-0UB0
Siemens SINAMICS G120XA Rated power 110kW 3AC 380V -20% to 440V +10% Integrated class A C3 filter 110% 60s per 600s with integrated IOP-2 Integrated Fieldbus: MODBUS RTU, BACnet MS/TP, USS 6DI, 4DQ, 2AI, 2AQ, 1Mot_t Protection: IP20 Frame Size: FSF 709x305x360 (HxWxD)
Visit: 6SL3220-3YD46-0UB0
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