6ES7400-1JA11-0AA0
6ES7400-1JA11-0AA0
6ES7400-1JA11-0AA0
6ES7400-1JA11-0AA0
6ES7400-1JA11-0AA0
6ES7400-1JA11-0AA0
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6ES7400-1JA11-0AA0

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Siemens 6ES7400-1JA11-0AA0 is a SIMATIC S7-400 UR2 universal rack with nine slots and redundant power-supply positions.
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Technical specifications for 6ES7400-1JA11-0AA0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7400-1JA11-0AA0
  • Product Family:
    Siemens Simatic S7-400
  • Product Type:
    SIMATIC S7-400 UR2 universal rack
  • Stock:
    1
  • Module slots:
    9
  • System arrangement:
    Central or distributed configuration
  • Backplane buses:
    Communication bus and peripheral bus
  • Power-supply positions:
    Two positions for redundant power supplies
  • Construction:
    Aluminum rack
  • Protection class:
    IP20
  • Weight:
    1.782 kg
  • Estimated shipping dimensions:
    25.75x29x2.75cm
  • Tariff Code:
    85389099
  • Country of origin:
    Germany
  • 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 Rack Architecture Power Arrangement Installation Checks Product Applications

Features:

  • Nine-slot UR2 rack: the frame carries the S7-400 communication and peripheral buses
  • Flexible station role: the rack can serve documented central or distributed arrangements
  • Dual supply positions: two locations support an approved redundant power configuration
Architecture focus: Select CPU or interface hardware for the intended station role.

Configuration focus: Keep the physical module order aligned with the STEP 7 project.

Fault focus: Treat simultaneous module alarms as a possible rack-level symptom.

Apter Power supports Siemens 6ES7400-1JA11-0AA0 universal rack quotations, technical documents and S7-400 configuration review.
Siemens 6ES7400-1JA11-0AA0 SIMATIC S7-400 UR2 universal rack with 9 slots 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.
  • Module order: Use the slot sequence defined in the STEP 7 hardware configuration.
  • Bus continuity: Inspect every backplane connector before installing a module.
  • Station role: Coordinate the rack with the correct CPU or interface modules for the planned architecture.
  • Supply modules: Use compatible Siemens S7-400 power supplies.
  • Source wiring: Protect and document each incoming source independently.
  • Fault review: Check both supply LEDs and rack voltage when multiple modules report faults.
  • Mounting: Install the rack flat and supported so the aluminum frame is not twisted.
  • Grounding: Bond protective earth according to the cabinet design.
  • Module seating: Lock each module fully into the backplane connector and secure it as documented.
  • Process control: Host CPU, communication and I/O modules in engineered control cabinets.
  • Distributed stations: Support remote S7-400 racks through documented interface modules.
  • Redundant power systems: Maintain rack operation with an approved dual-supply arrangement.
Description
Within a SIMATIC S7-400 station, 6ES7400-1JA11-0AA0 forms both the mechanical base and the shared communication and peripheral buses. The UR2 structure provides nine module positions together with two locations intended for a supported redundant power arrangement.

The role of 6ES7400-1JA11-0AA0 changes with the engineered station architecture: a central rack hosts the controller arrangement, while a distributed rack depends on the correct interface hardware. In either case, module order and backplane continuity must agree with the STEP 7 hardware configuration.

When several modules on 6ES7400-1JA11-0AA0 report faults together, a common rack cause is more plausible than simultaneous individual failures. Power-supply status, interface modules, seating and backplane connector condition therefore provide the quickest route to isolating a station-wide problem.
Alternative Names
6ES7400-1JA11-0AA0 6ES74001JA110AA0 6ES7 400-1JA11-0AA0 6ES7400 1JA11 0AA0 Siemens 6ES7400-1JA11-0AA0 SIMATIC S7-400 UR2 rack UR2 9-slot rack 6ES7400-1JA11-0AA0 UR2
Technical notes
Treat 6ES7400-1JA11-0AA0 as the electrical and mechanical backbone of the S7-400 station. If several modules report faults together, check rack power, redundant-supply status, module seating, backplane connectors, interface modules and the configured slot sequence before diagnosing individual modules.
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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 do several modules on 6ES7400-1JA11-0AA0 report faults at the same time?
A shared loss of rack power, backplane contact or interface communication is more likely than simultaneous module failures. Check both supply positions, module seating and station diagnostics before exchanging individual modules.
How should redundant power be commissioned on 6ES7400-1JA11-0AA0?
Use a Siemens-supported redundant supply combination with independently protected sources. Confirm both supplies carry the expected status and that loss of either source does not disturb the rack before returning the station to service.
What determines whether 6ES7400-1JA11-0AA0 operates as a central or distributed rack?
The installed CPU or interface modules and STEP 7 station architecture determine its role. The rack alone does not convert one arrangement into the other, so compare the module population with the project.
Why can moving a module to another slot on 6ES7400-1JA11-0AA0 stop the station?
S7-400 addressing and hardware configuration depend on the engineered slot sequence. Restore the original position or update and validate the project rather than assuming an empty connector is electrically equivalent.
How can an intermittent backplane fault on 6ES7400-1JA11-0AA0 be investigated?
Correlate affected slots, inspect connector condition and module locks, and check whether cabinet vibration or rack distortion changes the symptom. A cluster of adjacent-slot faults points toward the common backplane path.
What mechanical conditions can compromise 6ES7400-1JA11-0AA0?
A twisted mounting surface, loose supports or contamination can prevent consistent module seating and protective bonding. The rack should remain flat, firmly mounted and clean before modules are reinstalled.
Which evidence shows that 6ES7400-1JA11-0AA0 is ready after service?
The physical module order should agree with STEP 7, both power paths should show normal status, and the CPU should report no rack or interface diagnostics during a controlled restart.