Ask our team:
  • Phone: +86 181 0690 9650
  • E-Mail sales1@apterpower.com
  • Lifecycle status

    Active / Available from OEM
    Apter Power handles 6SL3544-0FB20-1FA0 quotations, manuals, control-unit selection, and model matching.

6SL3544-0FB20-1FA0

/ 4.9
1001 reviews | Need a Specific Revision?
For a distributed SINAMICS G120D drive, Siemens 6SL3544-0FB20-1FA0 is a CU240D-2 PN control unit that processes PROFINET commands, local I/O and STO while controlling the matched power module.
In Stock
Ships by Wednesday, October 28
Fast Shipping Available
Get a quick price for 6SL3544-0FB20-1FA0
Quantity
*E-mail
Company
*Mobile
*Content
Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)

Technical specifications for 6SL3544-0FB20-1FA0

  • Manufacturer:
    Siemens
  • Part Number:
    6SL3544-0FB20-1FA0
  • Product Family:
    Siemens SINAMICS
  • Product Type:
    SINAMICS G120D CU240D-2 PN Control Unit
  • Stock:
    1
  • Fieldbus Interfaces:
    PROFINET and EtherNet/IP
  • Safety Function:
    Safe Torque Off onboard
  • External Control Supply:
    24 V DC
  • Digital Inputs:
    6 non-isolated inputs
  • Fail-Safe Digital Inputs:
    1
  • Digital Outputs:
    2 isolated outputs
  • Digital Output Rating:
    0.5 A at switched 24 V
  • Analog Inputs:
    2 at 0 to 10 V
  • Encoder Interface:
    HTL encoder
  • Service Interface:
    USB
  • Memory Card Support:
    SD/MMC
  • Field Connectors:
    M12
  • Control Modes:
    Linear V/f, square-law V/f, parameterizable V/f, FCC and sensorless vector
  • Positioning Function:
    Not integrated
  • Protection Rating:
    IP65 / UL Type 3
  • Operating Temperature:
    -10 to 50 °C
  • Maximum Relative Humidity:
    95%, non-condensing
  • Weight:
    1.7196 lbs (0.78 kg)
  • Estimated shipping dimensions:
    20.8x27.8x9cm
  • Tariff Code:
    85049090
  • Country of origin:
    Great Britain
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Drive Interfaces Safety Input Control Modes Field Enclosure

Features:

  • PROFINET and EtherNet/IP carry drive commands, status and diagnostics.
  • Local standard and fail-safe I/O connect field controls to the distributed converter.
  • The control unit applies V/f, FCC or sensorless-vector algorithms to the matched power module.
Network references and local inputs enter the control calculation independently.

The selected control mode combines motor data and feedback into switching commands for the power stage.

Status words, local outputs and diagnostic data return the resulting drive condition to the machine controller.

The Siemens 6SL3544-0FB20-1FA0 SINAMICS G120D CU240D-2 PN may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6SL3544-0FB20-1FA0 SINAMICS G120D CU240D-2 PN Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Separating network, engineering and parameter-storage paths

  • PROFINET: Controller telegrams carry cyclic drive references and status.
  • EtherNet/IP: The alternative industrial Ethernet protocol serves the documented control path.
  • USB: Local engineering connects through the service interface.
  • SD/MMC: Removable media stores the assigned parameter set.

Applying Safe Torque Off independently of the normal run command

  • Fail-safe input: The dedicated circuit receives the safety command.
  • STO action: Torque-producing switching pulses are inhibited in the power module.
  • Standard inputs: Normal enable and direction signals remain outside the safety path.
  • Status: The control unit reports the drive and safety condition to the controller.

Matching the motor calculation to feedback and load behavior

  • V/f control: Voltage follows frequency by a selected linear or square-law curve.
  • FCC: Flux-current control refines the motor current calculation.
  • Vector mode: Sensorless vector control estimates motor state from electrical data.
  • Encoder path: The HTL connection supplies measured speed when the configured function uses it.

Keeping distributed wiring and electronics within the IP65 boundary

  • Control supply: External 24 V DC powers the control electronics.
  • M12 connectors: Fieldbus, I/O and encoder paths use sealed connectors.
  • Enclosure: IP65 protection depends on completed connector and grounding arrangements.
  • Ambient limit: The control unit operates from -10 to 50 °C without condensation.
Description
The Siemens 6SL3544-0FB20-1FA0 CU240D-2 PN is the control unit of a distributed SINAMICS G120D drive. It receives network and local control signals, applies the selected motor-control algorithm and sends the resulting switching commands to the separately matched power module.

PROFINET or EtherNet/IP communication on 6SL3544-0FB20-1FA0 carries speed references, control words, status words and drive diagnostics between the automation controller and the converter. The USB interface and removable SD/MMC media provide separate engineering and parameter-storage paths.

Six standard inputs, one fail-safe input, two isolated outputs and two analog inputs let 6SL3544-0FB20-1FA0 combine cabinet-free field signals with network commands. The onboard STO circuit acts through the fail-safe input, while the HTL encoder connection supplies speed feedback for the configured control mode.

Motor behavior in 6SL3544-0FB20-1FA0 can use linear, square-law or parameterized V/f control, flux current control or sensorless vector control. Those modes relate motor data, feedback availability and load behavior to the drive calculation rather than changing the power rating of the attached module.

An external 24 V DC source powers the electronics of 6SL3544-0FB20-1FA0, allowing communication and control functions to remain distinct from motor power. Its IP65 enclosure and M12 connections support distributed mounting when the specified connector, grounding and ambient conditions are maintained.
Alternative Names
6SL35440FB201FA0 6SL3 544-0FB20-1FA0 6SL3544 0FB20 1FA0 Siemens 6SL3544-0FB20-1FA0 6SL3544-0FB20-1FA0 CU240D-2 PN CU240D-2 PN 6SL3544-0FB20-1FA0 6SL 3544 0FB20 1FA0 6SL3544/0FB20/1FA0
Technical notes
Siemens 6SL3544-0FB20-1FA0 requires an external 24 V DC control supply and transfers its drive commands to a separately matched G120D power module.
Exceptional Service

Our Mission

  • 100% Satisfaction

    We believe expertise is priceless. With over 20 years of experience, and top engineers on staff, we can help you solve or avoid problems that threaten your business.
  • Trust Guaranteed

    Not only do we have a vast inventory, our team makes sure every piece of equipment is in working condition. Your purchases are also backed by our Warranty.
  • Expertise

    Time is money, especially when your equipment is down. We work quickly to get your equipment on its way so you can get it back up and running.

FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why can Siemens 6SL3544-0FB20-1FA0 communicate while the motor remains unpowered?
Siemens 6SL3544-0FB20-1FA0 uses a separate 24 V control supply, so check the matched power module, motor supply, STO state, enable word and drive fault status.
What should be checked if STO stays active on 6SL3544-0FB20-1FA0?
For 6SL3544-0FB20-1FA0, verify the fail-safe input circuit, safety-controller command, M12 connection, parameter assignment and reported safety status.
How are network commands and local inputs combined by Siemens 6SL3544-0FB20-1FA0?
Siemens 6SL3544-0FB20-1FA0 maps PROFINET or EtherNet/IP telegrams and local I/O into the configured command source, control word and interlock logic.
Why can a motor behave differently after changing the control mode on 6SL3544-0FB20-1FA0?
The V/f, FCC and sensorless-vector modes of 6SL3544-0FB20-1FA0 use motor data and load behavior differently, so commissioning values must match the selected algorithm.
When is the HTL encoder input relevant on Siemens 6SL3544-0FB20-1FA0?
The HTL interface of Siemens 6SL3544-0FB20-1FA0 supplies speed feedback for the configured drive function; it does not add an integrated positioning controller.