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PRODUCT DESCRIPTION
6SL3544-0FB20-1FA0 Distributed inverter control unit
Siemens 6SL3544-0FB20-1FA0 is the CU240D-2 PN control unit for SINAMICS G120D distributed inverters. It coordinates motor control, field I/O and industrial network communication in compatible decentralized drive assemblies.
The control unit connects to a matched power module and uses an external 24 V DC supply. It provides six digital inputs, two voltage inputs, two digital outputs and an HTL encoder interface. PROFINET and EtherNet/IP communication support the configured automation connection, while this standard variant provides Safe Torque Off rather than the additional safety functions of PN-F versions.
The control unit connects to a matched power module and uses an external 24 V DC supply. It provides six digital inputs, two voltage inputs, two digital outputs and an HTL encoder interface. PROFINET and EtherNet/IP communication support the configured automation connection, while this standard variant provides Safe Torque Off rather than the additional safety functions of PN-F versions.
BEFORE YOU BUY
Confirm the complete distributed inverter control unit
ACTUAL APPLICATIONS
Application context for 6SL3544-0FB20-1FA0
Siemens 6SL3544-0FB20-1FA0 is the CU240D-2 PN control unit for SINAMICS G120D distributed inverters. Its distributed drive settings include automotive production, logistics and airport baggage handling; operation depends on the connected power module, motor and commissioned configuration.
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01 · AUTOMOTIVE
Automotive Manufacturing and Vehicle Production
Automotive Body ManufacturingVehicle Assembly Line Production -
02 · LOGISTICS
Logistics and Distribution Center Operations
Warehouse Material Flow AutomationDistribution Center Goods Handling -
03 · AIRPORTS
Airport Transport and Baggage Handling
Passenger Baggage HandlingAirport Cargo Transport Automation
Technical specifications for 6SL3544-0FB20-1FA0
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Product Model6SL3544-0FB20-1FA0
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Product ParametersDistributed inverter control unit
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In stock9 units
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ManufacturerSiemens
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External supply24 V DC
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Supply current FSA/FSB400 mA, excluding sensors and outputs
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Supply current FSC550 mA, excluding sensors and outputs
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Digital input count6
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Analog input count2
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Analog input range0 to 10 V
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Digital output count2
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Digital output current0.5 A per channel
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Encoder interface1 bipolar HTL
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Encoder pulse count2048 maximum
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Encoder supply current150 mA maximum
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Supported fieldbusPROFINET, EtherNet/IP
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Safety functionSafe Torque Off (STO)
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Protection degreeIP65, UL Type 3
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Protection classIII, PELV
View all additional
Alternative Names
6SL3544-0FB20-1FA0
SINAMICS G120D CU240D-2 PN Distributed inverter control unit
G120D CU240D-2 PN 24 V DC external supply
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM INTEGRATION
Integrate 6SL3544-0FB20-1FA0 distributed inverter control unit
6SL3544-0FB20-1FA0 is the distributed inverter control unit for SINAMICS G120D CU240D-2 PN. Match the installed companion hardware and documented interface allocation before connection.
Compare external supply (24 V DC), supply current fsa/fsb (400 mA, excluding sensors and outputs) and supply current fsc (550 mA, excluding sensors and outputs) with the engineered circuit. Use the applicable manufacturer supply and connection limits.
Follow the manufacturer instructions for wiring and commissioning. Test each affected signal or drive function, and retain the measured results and accepted configuration with the asset record.
Features:
- External supply: 24 V DC
- Supply current FSA/FSB: 400 mA, excluding sensors and outputs
- Supply current FSC: 550 mA, excluding sensors and outputs
The 6SL3544-0FB20-1FA0 distributed inverter control unit requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify 6SL3544-0FB20-1FA0 distributed inverter control unit
Exchange 6SL3544-0FB20-1FA0 only after matching its complete article, SINAMICS G120D CU240D-2 PN role and installed hardware configuration. Similar housings or related family codes do not establish interchangeability.
Record the connector allocation and the existing configuration before removing this distributed inverter control unit. Retain the applicable controller project, parameter records and diagnostic information needed to restore operation.
After fitting the verified article, restore the controlled settings and test the affected functions at a safe operating point. Retain its identification label and final acceptance record with the equipment documentation.
Features:
- External supply: 24 V DC
- Supply current FSA/FSB: 400 mA, excluding sensors and outputs
- Supply current FSC: 550 mA, excluding sensors and outputs
The 6SL3544-0FB20-1FA0 distributed inverter control unit requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.
Features:
- Verify document identity before procurement or installation
- Match the complete order to the manufacturer document scope
- Accessories are supplied only when listed in the quotation
Documentation for the 6SL3544-0FB20-1FA0 distributed inverter control unit must be checked for document applicability before installation or commissioning.
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Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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01
Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size15.3 × 20.8 × 5.5 cm
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Shipping weight0.80kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference85389091
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OriginGermany
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 6SL3544-0FB20-1FA0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Does this CU240D-2 PN contain a complete motor power stage?
No. It is the control unit and requires the compatible SINAMICS G120D power module. -
Which safety function belongs to this standard PN variant?
The listed integrated safety function is Safe Torque Off; do not assume the PN-F function set. -
What encoder signal format does CU240D-2 PN accept?
Its encoder interface accepts bipolar HTL signals with up to 2048 pulses. -
How are the two analog inputs scaled?
The documented voltage input range is 0 to 10 V. -
How much current may each digital output deliver?
Each output is rated at 0.5 A. -
What additional current is excluded from the CU supply figures?
The stated supply-current figures exclude encoder, sensor and digital-output loads. -
Which power-module details should accompany a CU240D-2 PN spare order?
State its frame size and complete power-module article so the control-unit combination can be checked. -
Why must the full FB20-1FA0 suffix be checked before dispatch?
It identifies this PN control-unit version; different communication and safety variants require separate compatibility checks.
READY TO VERIFY YOUR PART?
Get a 6SL3544-0FB20-1FA0 quote with price, lead time and revision check.
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