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PRODUCT DESCRIPTION
6SL3544-0FB21-1PA0 CU250D-2 PN-F control unit
Siemens 6SL3544-0FB21-1PA0 is a CU250D-2 PN-F control unit in the SINAMICS G120D. It is used to control the connected motor or drive function within the configured machine.
Its documented configuration includes already integrated into the standard versions of the cu240d-2 of series (CU240D-2 DP and CU240D-2 PN). It can be activated, safety integrated functions of The safety function "Safe Torque Off" (STO) (certified according, ssi ≤ 250 ma), sensors (total, max. 300 ma) as well as the current of drawn from the digital outputs (total, max. 500 mA) must be added, and 1) the current consumption of connected encoders (htl ≤ 100 ma or of SSI ≤ 250 mA), sensors (total, max. 300 mA) as well as the current. During operation, the CU250D-2 PN-F control unit processes the configured drive commands and regulates the connected motor or power section.
Its documented configuration includes already integrated into the standard versions of the cu240d-2 of series (CU240D-2 DP and CU240D-2 PN). It can be activated, safety integrated functions of The safety function "Safe Torque Off" (STO) (certified according, ssi ≤ 250 ma), sensors (total, max. 300 ma) as well as the current of drawn from the digital outputs (total, max. 500 mA) must be added, and 1) the current consumption of connected encoders (htl ≤ 100 ma or of SSI ≤ 250 mA), sensors (total, max. 300 mA) as well as the current. During operation, the CU250D-2 PN-F control unit processes the configured drive commands and regulates the connected motor or power section.
BEFORE YOU BUY
Confirm the complete CU250D-2 PN-F control unit
ACTUAL APPLICATIONS
Application context for 6SL3544-0FB21-1PA0
The applications below show typical industry settings, application scenarios, application areas and equipment for 6SL3544-0FB21-1PA0. Confirm the exact SINAMICS G120D configuration before use.
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01 · GENERAL MANUFACTURING
Machine and assembly-line automation
Controlled equipmentAssembly stations and conveyorsInterlocked guards and actuators -
02 · AUTOMOTIVE
Robot cell and transfer automation
Production equipmentRobot welding cellsTransfer conveyors and inspection stations -
03 · POWER GENERATION
Boiler, turbine and auxiliary control
Plant equipmentBoiler and turbine auxiliariesCooling-water pumps and generator panels
Technical specifications for 6SL3544-0FB21-1PA0
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Product Model6SL3544-0FB21-1PA0
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Product ParametersCU250D-2 PN-F control unit
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In stock1 unit
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ManufacturerSiemens
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already integrated into the standard versions of the CU240D-2series (CU240D-2 DP and CU240D-2 PN). It can be activated
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Safety Integrated functionsThe safety function "Safe Torque Off" (STO) (certified according
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SSI ≤ 250 mA), sensors (total, max. 300 mA) as well as the currentdrawn from the digital outputs (total, max. 500 mA) must be added,
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1) The current consumption of connected encoders (HTL ≤ 100 mA orSSI ≤ 250 mA), sensors (total, max. 300 mA) as well as the current
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HTL encoder interface(incremental interface, bipolar up
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SSI encoder interface(absolute encoder, singleturn and
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(incremental interface, bipolar upto 2048 pulses, max. 150 mA)
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Current consumption 1)(from the 24 V DC supply)
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Integrated safety functionsacc. to IEC 61508 SIL 2,
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Operating voltageExternal 24 V DC
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Storage temperature40 ... +70 °C
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Operating temperature10 ... +55 °C
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Slot for SINAMICS memory card(SD card)
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Motor temperature sensor1 input,
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in IP65 degree of protection8/39
View all additional
Alternative Names
6SL3544-0FB21-1PA0
6SL3544 0FB21 1PA0
SINAMICS G120D CU250D-2 PN-F control unit
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
Match 6SL3544-0FB21-1PA0 to the installed SINAMICS G120D
Siemens 6SL3544-0FB21-1PA0 is a CU250D-2 PN-F control unit for the SINAMICS G120D. Its exact article suffix determines the supported interface, signal or communication function and the approved companion equipment.
Engineering should compare 1) the current consumption of connected encoders (htl ≤ 100 ma or (SSI ≤ 250 mA), sensors (total, max. 300 mA) as well as the current), htl encoder interface ((incremental interface, bipolar up) and ssi encoder interface ((absolute encoder, singleturn and) with the installed system design. Confirm connector keying, addressing and configuration-tool support before connection.
Use the manufacturer documentation for the complete wiring and configuration sequence. Validate communication, signal conversion or control response with the connected equipment, then archive measured results and the final configuration with the asset record.
Features:
- Exact identity: 6SL3544-0FB21-1PA0
- Product class: CU250D-2 PN-F control unit
- Family: SINAMICS G120D
The Siemens 6SL3544-0FB21-1PA0 requires documented system integration before energising the equipment.
REPLACEMENT CONTROL
Verify the complete 6SL3544-0FB21-1PA0 identity before exchange
Replace 6SL3544-0FB21-1PA0 only after matching the complete article code, CU250D-2 PN-F control unit, installed SINAMICS G120D role and documented hardware or firmware revision. Similar housings and related family numbers do not establish functional interchangeability.
Photograph the nameplate, keyed connectors, terminal numbering, cable routing, shields, earth points and adjacent modules. Export the applicable controller, HMI, drive or network configuration and record addresses, parameters and diagnostic messages before removal.
After fitting the verified article, restore the controlled configuration and check every affected signal or communication path. Review status indications and diagnostic buffers, run the documented functional test at a safe operating point and retain the final acceptance record.
Features:
- Exact identity: 6SL3544-0FB21-1PA0
- Product class: CU250D-2 PN-F control unit
- Family check: SINAMICS G120D
The Siemens 6SL3544-0FB21-1PA0 requires documented replacement verification before energising the equipment.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: Official documents are provided through manufacturer links. Accessories, manuals, cables, calibration data, software and certificates are included only when listed in the quotation.
Features:
- Technical values prepared for 6SL3544-0FB21-1PA0
- Product family: SINAMICS G120D
- Exact Siemens identity required before service
Documentation for Siemens 6SL3544-0FB21-1PA0 must match the installed equipment; confirm document applicability before service.
Also searched as
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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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 size18.0 x 15.0 x 6.0 cm
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Shipping weight0.50 kg
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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 reference8537101190
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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 6SL3544-0FB21-1PA0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Which already integrated into the standard versions of the cu240d-2 confirms the correct 6SL3544-0FB21-1PA0?
Match the complete 6SL3544-0FB21-1PA0 label and verify already integrated into the standard versions of the cu240d-2 is series (CU240D-2 DP and CU240D-2 PN). It can be activated before accepting the CU250D-2 PN-F control unit. -
What must engineering check around safety integrated functions?
For 6SL3544-0FB21-1PA0, compare safety integrated functions (The safety function "Safe Torque Off" (STO) (certified according) with the installed wiring, host hardware and controlled project. -
Can another SINAMICS G120D article replace this unit?
Do not select a substitute from appearance alone. Compare 6SL3544-0FB21-1PA0, already integrated into the standard versions of the cu240d-2, safety integrated functions, connectors, firmware and the saved configuration. -
Which records protect the existing ssi ≤ 250 ma), sensors (total, max. 300 ma) as well as the current setup?
Before removing 6SL3544-0FB21-1PA0, photograph labels and connections, then save configuration evidence associated with ssi ≤ 250 ma), sensors (total, max. 300 ma) as well as the current (drawn from the digital outputs (total, max. 500 mA) must be added,). -
How should the CU250D-2 PN-F control unit be inspected on arrival?
Inspect 6SL3544-0FB21-1PA0 for the exact article marking, connector damage, bent hardware, missing accessories and transport damage before disturbing the installed spare. -
Which functional test follows the 6SL3544-0FB21-1PA0 exchange?
Restore the approved setup, review diagnostics and test the affected SINAMICS G120D signal, network, control or drive path at a safe operating point. -
What data should a distributor quote for this configuration?
Provide 6SL3544-0FB21-1PA0, quantity, nameplate photographs, installed SINAMICS G120D system, required interfaces and destination country. -
How can MRO avoid receiving the wrong hardware revision?
Ask the supplier to confirm the full 6SL3544-0FB21-1PA0 identity, visible revision, already integrated into the standard versions of the cu240d-2 and connector layout against photographs before shipment.
READY TO VERIFY YOUR PART?
Get a 6SL3544-0FB21-1PA0 quote with price, lead time and revision check.
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