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PRODUCT DESCRIPTION
6ES7400-1TA11-0AA0 provides the S7-400 station framework
Siemens 6ES7400-1TA11-0AA0 is the aluminum SIMATIC S7-400 UR1 universal rack with 18 single-width slots. It mechanically supports the modules and connects them through the I/O and communication buses. The rack measures 482.5 x 290 x 27.5 mm and is specified for central controllers and expansion units.
The official manual distinguishes the modules allowed in a central rack from those allowed in an expansion rack. The selected CPU, interface modules and power supply determine the completed station; the rack article is not a preconfigured control system. Check the full module layout and installation documentation before ordering.
The official manual distinguishes the modules allowed in a central rack from those allowed in an expansion rack. The selected CPU, interface modules and power supply determine the completed station; the rack article is not a preconfigured control system. Check the full module layout and installation documentation before ordering.
BEFORE YOU BUY
Define the required rack arrangement
ACTUAL APPLICATIONS
6ES7400-1TA11-0AA0 supports three distinct station tasks
Siemens documents UR1 use in central controllers, expansion stations and S7-400H architectures. The arrangements below describe supported system roles, not a pre-engineered cabinet or a claim of a particular end-user installation.
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01 - CENTRAL STATION
Assemble the main controller rack
Use the UR1 to arrange the selected S7-400 power supply, CPU and permitted modules on the documented backplane. Reserve space by actual module width and keep receive interfaces out of the central rack configuration. -
02 - EXPANSION STATION
Extend the local module arrangement
Configure an expansion UR1 with the appropriate receive interface and permitted modules. Exclude CPUs and send interfaces, and apply the specific supply rule when the chosen receiver is an IM 461-1. -
03 - HIGH AVAILABILITY
Plan an S7-400H rack arrangement
The Siemens catalog lists UR1 as suitable for S7-400H. Use it within the documented redundant-system architecture and verify the required CPUs, synchronization and power equipment separately. UR1 is not the split-bus UR2-H rack.
Technical specifications for 6ES7400-1TA11-0AA0
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Product Model6ES7400-1TA11-0AA0
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Product ParametersAluminum Universal Module Rack
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In stock1 unit
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ManufacturerSiemens
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Single-width slots18
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Mounting rail materialAluminum
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Rack width482.5 mm
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Rack height290 mm
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Rack depth27.5 mm
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I/O backplane busPresent
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Communication backplane busPresent
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Station rolesCentral rack or expansion rack
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Central-rack module restrictionReceive interface modules excluded
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Expansion-rack module restrictionCPUs and send interface modules excluded
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IM 461-1 power-supply restrictionNo local power supply module with IM 461-1 receive IM
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Local ground connectionProvided on the rack
View all additional
Alternative Names
6ES7400-1TA11-0AA0
Siemens UR1 Aluminum Rack
SIMATIC S7-400 18-Slot UR1
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
UR1 RACK CONFIGURATION
Separate mechanical fit from station function
The rack carries the modules, distributes operating voltage through the station backplane and provides I/O and communication buses. It does not determine the installed program or I/O capacity by itself.
Plan the occupied positions using the actual widths of the power supplies, CPU, interfaces and signal modules. Check the rack mounting dimensions, cabinet space and local-ground connection against the complete installation instructions.
Select central or expansion use before approving the module list. The interface direction and permitted module types differ, including the special supply restriction for an IM 461-1 receive interface.
Features:
- Station role recorded
- Slot allocation checked by module width
- Power and interface arrangement reviewed
The Siemens 6ES7400-1TA11-0AA0 requires the rack role, module widths and interface selection to be checked before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Siemens currently identifies this exact aluminum UR1 article as active. Compare the complete article, rail material, number of slots and required backplane functions when selecting a replacement.
Record every installed module and occupied position before the rack is exchanged. Have qualified personnel isolate the system and follow the full S7-400 installation instructions for removal, grounding and reassembly.
Inspect the mounting points and backplane connectors, restore the approved layout and verify the completed station diagnostics before service. Changing from UR1 to another rack type requires a separate configuration review.
Features:
- Match the aluminum UR1 article
- Record all occupied rack positions
- Verify the completed station diagnostics
The Siemens 6ES7400-1TA11-0AA0 rack requires replacement verification of mechanical layout, bus functions and module configuration before release.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The official extracts include the UR1 configuration drawing, its material-code explanation and the exact aluminum UR1 specification. Shared tables also show other racks; use the 6ES7400-1TA11-0AA0 column. Keep the complete system installation manual available for assembly.
Features:
- Available Siemens document references are confirmed before order
- Match the aluminum UR1 column and the 18-slot drawing
- Accessories are supplied only when listed in the quotation
Documentation for the Siemens 6ES7400-1TA11-0AA0 requires the exact aluminum rack and intended station arrangement to be identified; confirm manual availability in the written quotation.
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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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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 size59.1 × 30.4 × 5.00 cm
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Shipping weightApprox. 3.00 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 reference8538109000
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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 6ES7400-1TA11-0AA0
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Does an 18-slot rack provide 18 free signal-module positions after assembly?
Not necessarily. The figure counts single-width positions across the rack. Power supplies, CPUs and interface modules also occupy space, and some modules are wider than one position. Verify the complete physical slot allocation. -
How is the aluminum version distinguished from the sheet-steel UR1?
The manual defines the variable in 6ES7400-1TAx1-0AA0: x=0 identifies sheet steel and x=1 identifies aluminum. This 1TA11 article is the aluminum version; 1TA01 is a different material variant. -
Why is a receive interface unsuitable when this rack is the central station?
The manual permits S7-400 modules in a central UR1 except receive interface modules. Receive interfaces serve the expansion-rack side of the arrangement. Choose the interface role from the engineered station topology. -
Can an expansion UR1 host the CPU or the send interface?
The documented expansion-rack arrangement excludes CPUs and send interface modules. Those functions belong on the central side. A mechanically available slot does not override the permitted module configuration. -
What changes when an IM 461-1 receive interface supplies an expansion rack?
The manual states that a power supply module must not be used together with the IM 461-1 receive interface. Check the specific interface and station power arrangement before adding a local supply. -
Is the 27.5 mm rack depth sufficient for selecting a finished cabinet depth?
No. That dimension describes the rack itself. Installed modules, front connectors, wiring bends and the required installation clearances extend the finished assembly. Use the complete station layout for cabinet selection. -
Does UR1 have the same split-bus arrangement as UR2-H?
No. The catalog distinguishes UR1 from UR2-H, whose separate P and C buses support separate station sections. Do not substitute a rack based only on the shared count of 18 positions. -
Can an ER1 be substituted solely because it also has 18 slots?
No. Siemens lists the ER1 expansion rack as having the P bus only, whereas UR1 provides both the I/O and communication buses and supports central-rack use. Check required bus functions and station role before selecting either rack.
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