Skip to product information
1 of 3

Siemens 6ES7400-1TA01-0AA0 S7-400 Mounting Rack

Siemens 6ES7400-1TA01-0AA0 S7-400 Mounting Rack

  • Manufacturer: Siemens

  • Product No.: 6ES7400-1TA01-0AA0

  • Condition:1000 in stock

  • Product Type: Mounting Racks

  • Product Origin: 4019169005838

  • Payment: T/T, Western Union

  • Weight: 1000g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • 24/7 Support
  • 30-Day Returns
  • Fast Shipping

Siemens 6ES7400-1TA01-0AA0 Universal Rack UR1

9-Slot Aluminum Mounting Rack for SIMATIC S7-400 PLC Systems

The Siemens 6ES7400-1TA01-0AA0 is a precision-engineered universal rack (UR1) designed for SIMATIC S7-400 automation systems. This 9-slot aluminum rack provides the structural foundation for mounting S7-400 CPUs, I/O modules, communication processors, and power supplies in industrial control cabinets.


🏗️ Why Choose the UR1 Rack?

The S7-400 UR1 rack is the backbone of enterprise-level automation, delivering:

  • 9 Module Slots – Optimal capacity for medium-sized control systems
  • Integrated Backplane Bus – High-speed communication between modules (12 Mbps)
  • Precision Alignment – Ensures perfect electrical contact for all modules
  • Robust Construction – Anodized aluminum withstands harsh industrial environments
  • Hot-Swap Support – Replace modules without system shutdown (with redundant configurations)
  • Global Certifications – UL, CE, ATEX approved for worldwide installations

📐 Technical Specifications

Order Number 6ES7400-1TA01-0AA0
Product Family SIMATIC S7-400
Rack Type UR1 (Universal Rack 1)
Slot Count 9 slots (numbered 1-9)
Slot Width 25mm per slot (standard S7-400 module width)
Total Width Approx. 530mm (20.9 inches)
Height 290mm (11.4 inches)
Depth 219mm (8.6 inches)
Material Anodized aluminum alloy
Backplane Bus Integrated K-bus (12 Mbps data rate)
Power Distribution Via backplane from PS 407 power supply
Mounting Wall-mount or 19" rack-mount (with adapter)
Operating Temp 0°C to +60°C (horizontal mounting)
Storage Temp -40°C to +70°C
Humidity 5% to 95% RH (non-condensing)
Vibration Resistance IEC 60068-2-6 (10-58 Hz)
Shock Resistance IEC 60068-2-27 (15g, 11ms)
EMC Compliance CE, FCC Class A, EN 61000-6-2/4
Safety Certifications UL 508, cULus, FM, ATEX Zone 2
Protection Rating IP20 (front panel)
Weight Approx. 2.5 kg (5.5 lbs)
MTBF >200,000 hours

🔧 Compatible S7-400 Components

CPUs (Slot 2 or 3)

  • CPU 412 series (6ES7412-xxxx-xxxx)
  • CPU 414 series (6ES7414-xxxx-xxxx)
  • CPU 416 series (6ES7416-xxxx-xxxx)
  • CPU 417 series (6ES7417-xxxx-xxxx)

Power Supplies (Slot 1)

  • PS 407 4A (6ES7407-0KA02-0AA0)
  • PS 407 10A (6ES7407-0KR02-0AA0)
  • PS 407 20A (6ES7407-0RA02-0AA0)

I/O Modules

  • Digital Input: SM 421 series
  • Digital Output: SM 422 series
  • Analog Input: SM 431 series
  • Analog Output: SM 432 series
  • Combination: SM 433, SM 434 series

Communication Processors

  • CP 443-1 (Ethernet/Industrial Ethernet)
  • CP 443-5 (Profibus DP)
  • CP 441-2 (Serial communication)

Function Modules

  • FM 450 (Counter module)
  • FM 451 (Positioning module)
  • FM 452 (Cam controller)
  • FM 458 (Motion control)

🏗️ System Architecture Guidelines

Slot Assignment Rules

Slot Number Recommended Module Type Notes
Slot 1 Power Supply (PS 407) Mandatory - provides 5V/24V to backplane
Slot 2 CPU or Interface Module Preferred CPU location for optimal bus access
Slot 3 CPU or Interface Module Alternative CPU location
Slots 4-9 I/O, CP, FM modules Flexible assignment based on application

Expansion Options

Single-Rack System: Up to 9 modules (1 PS + 1 CPU + 7 I/O/CP/FM)

Multi-Rack System: Connect up to 21 racks using UR2 expansion racks and IM 460/461 interface modules for maximum I/O capacity

Redundant Configuration: Use two UR1 racks with redundant CPUs and power supplies for high-availability applications


🏭 Industry Applications

Process Industries
Oil & gas refineries, chemical plants, pharmaceutical manufacturing - where S7-400's high processing power handles complex batch control, recipe management, and regulatory compliance (FDA 21 CFR Part 11).

Power Generation & Distribution
Substations, power plants, renewable energy farms - leveraging S7-400's deterministic performance for SCADA systems, load balancing, and grid synchronization.

Automotive Manufacturing
Body shops, paint lines, final assembly - coordinating hundreds of robots and conveyors with S7-400's multi-rack scalability and Profinet integration.

Water & Wastewater Treatment
Municipal treatment plants, desalination facilities - managing distributed pump stations and filtration systems with S7-400's long-distance communication capabilities.

Building Management Systems
Airports, hospitals, data centers - controlling HVAC, lighting, and security systems across large campuses with centralized S7-400 controllers.


🛠️ Installation Guide

Pre-Installation Checklist

  • ✓ Verify cabinet dimensions (minimum 600mm width for UR1 rack)
  • ✓ Ensure adequate ventilation (50mm clearance above/below rack)
  • ✓ Confirm power supply capacity (calculate total module current draw)
  • ✓ Plan cable routing paths for I/O wiring
  • ✓ Prepare grounding connection (M6 grounding stud on rack)

Step-by-Step Installation

  1. Mount the Rack
    • Position rack horizontally in cabinet at desired height
    • Use pre-drilled mounting holes to secure rack to cabinet back panel
    • Verify rack is level using spirit level (critical for module seating)
    • Tighten mounting screws evenly to prevent warping
  2. Install Power Supply
    • Insert PS 407 module into Slot 1 (leftmost position)
    • Ensure module clicks into backplane connector
    • Secure module with top and bottom locking screws
    • Connect 120/230V AC input power (do not energize yet)
  3. Install CPU
    • Insert CPU module into Slot 2 or Slot 3
    • Verify CPU is fully seated (backplane connector engaged)
    • Install memory card (MMC) if required by CPU model
    • Connect programming cable (MPI/Profibus or Ethernet)
  4. Install I/O and Communication Modules
    • Insert modules into Slots 4-9 as per system design
    • Leave unused slots empty (no blanking plates required)
    • Ensure all modules are locked in place
  5. Grounding and Shielding
    • Connect rack grounding stud to cabinet ground using 6mm² wire
    • Install cable shields to shield connection bar on rack
    • Verify continuity between rack and cabinet ground (<0.1Ω)
  6. Power-Up and Commissioning
    • Energize PS 407 power supply
    • Verify green PWR LED on power supply
    • Check CPU status LEDs (SF, BF, RUN/STOP)
    • Download PLC program using STEP 7 or TIA Portal
    • Test all I/O points before final commissioning

⚠️ Common Installation Mistakes

  • ❌ Installing CPU in Slot 1 (reserved for power supply only)
  • ❌ Mixing S7-300 and S7-400 modules (incompatible backplane)
  • ❌ Insufficient power supply capacity (causes voltage drops)
  • ❌ Poor grounding (leads to EMI issues and communication errors)
  • ❌ Vertical mounting without derating (reduces max operating temperature)

📊 S7-400 Rack Comparison

Rack Model Slots Width Best For Order Number
UR1 (This Product) 9 530mm Small to medium systems 6ES7400-1TA01-0AA0
UR2 18 830mm Large systems, expansion racks 6ES7400-1JA01-0AA0
UR2-H 18 830mm Redundant H-systems 6ES7400-1JA11-0AA0
CR2 18 2000mm Custom configurations (cut to length) 6ES7400-2JA00-0AA0

Selection Guide: Choose UR1 for compact systems with up to 7 I/O modules. Upgrade to UR2 for larger applications or when planning multi-rack expansion.


🔧 Troubleshooting Guide

Symptom Possible Cause Solution
CPU won't start (SF LED red) Insufficient power supply capacity Upgrade to higher-capacity PS 407 (10A or 20A)
Module not recognized Poor backplane contact Remove and reseat module, verify locking screws tight
Intermittent communication errors EMI interference Improve grounding, separate I/O cables from power cables
Backplane bus fault (BF LED) Damaged backplane connector Inspect connector pins, replace rack if damaged
Overheating modules Insufficient ventilation Increase clearance, add forced-air cooling if needed

🛡️ Authenticity Guarantee

⚠️ Counterfeit Rack Risks

Non-genuine S7-400 racks can cause catastrophic failures:

  • 🔥 Backplane bus failures leading to complete system shutdown
  • ⚡ Voltage irregularities damaging expensive CPU and I/O modules
  • 💥 Structural failures under module weight (inferior aluminum alloys)
  • 🚫 Voided Siemens warranty on all installed modules
  • ⚖️ Regulatory non-compliance (UL/CE certification issues)

✅ Industrial Control Hub Guarantee

  • 🔒 100% Genuine Siemens – Factory-sealed packaging with holographic labels
  • 📜 Full Traceability – Serial numbers and manufacturing dates on every rack
  • 🌍 Authorized Distributor – Verify our credentials at Siemens Industry Mall
  • 🛡️ 24-Month Warranty – Manufacturer warranty honored globally
  • 📦 Protective Packaging – Custom foam inserts prevent shipping damage
  • 📞 Technical Support – Pre-sales consultation and post-purchase assistance

📦 Package Contents

  • 1× Siemens 6ES7400-1TA01-0AA0 UR1 rack (9-slot)
  • Integrated backplane bus with K-bus connectors
  • Mounting hardware kit (screws and spacers)
  • Grounding stud (M6 thread)
  • Product documentation and certificate of conformity

Note: Modules, power supply, and cables are NOT included. Order separately based on your system requirements.


🔗 Essential Accessories

  • Power Supply: PS 407 4A (6ES7407-0KA02-0AA0) - minimum requirement
  • CPU: CPU 414-3 PN/DP (6ES7414-3EM07-0AB0) - popular choice
  • Programming Cable: PC Adapter USB (6ES7972-0CB20-0XA0)
  • Memory Card: MMC 8MB (6ES7953-8LM31-0AA0)
  • 19" Rack Adapter: For standard server rack mounting (6ES7400-0HR00-0AB0)

🤝 Technical Support

Industrial Control Hub provides comprehensive support:

  • 📧 System Design Assistance – Email us your I/O list for rack sizing recommendations
  • 📚 Documentation Library – Access Siemens manuals, CAD drawings, and wiring diagrams
  • 🎓 Training Resources – Video tutorials on S7-400 installation and configuration
  • 🔄 30-Day Returns – Hassle-free returns if unused and in original packaging
  • 🌐 Global Shipping – Worldwide delivery with tracking and insurance

❓ Frequently Asked Questions

Q: Can I use S7-300 modules in this rack?
A: No, S7-300 and S7-400 modules are not interchangeable. They have different backplane connectors and voltage requirements.

Q: How many I/O points can I connect to a UR1 rack?
A: Depends on module types. With 7 I/O slots, you could have up to 224 digital I/O points (using 32-channel modules) or 56 analog channels (using 8-channel modules).

Q: Can I expand beyond 9 slots?
A: Yes, use IM 460/461 interface modules to connect UR2 expansion racks. S7-400 supports up to 21 racks in a single system.

Q: What's the difference between UR1 and UR2?
A: UR1 has 9 slots (530mm width), UR2 has 18 slots (830mm width). UR2 is used for larger systems or as expansion racks.

Q: Do I need a fan for cooling?
A: Not typically. Natural convection is sufficient if you maintain 50mm clearance above/below the rack. Forced-air cooling may be needed in hot environments (>50°C ambient).

Q: Can I mount the rack vertically?
A: Yes, but you must derate the maximum operating temperature to 40°C (instead of 60°C for horizontal mounting).

View full details

Product Description

Siemens 6ES7400-1TA01-0AA0 Universal Rack UR1

9-Slot Aluminum Mounting Rack for SIMATIC S7-400 PLC Systems

The Siemens 6ES7400-1TA01-0AA0 is a precision-engineered universal rack (UR1) designed for SIMATIC S7-400 automation systems. This 9-slot aluminum rack provides the structural foundation for mounting S7-400 CPUs, I/O modules, communication processors, and power supplies in industrial control cabinets.


🏗️ Why Choose the UR1 Rack?

The S7-400 UR1 rack is the backbone of enterprise-level automation, delivering:

  • 9 Module Slots – Optimal capacity for medium-sized control systems
  • Integrated Backplane Bus – High-speed communication between modules (12 Mbps)
  • Precision Alignment – Ensures perfect electrical contact for all modules
  • Robust Construction – Anodized aluminum withstands harsh industrial environments
  • Hot-Swap Support – Replace modules without system shutdown (with redundant configurations)
  • Global Certifications – UL, CE, ATEX approved for worldwide installations

📐 Technical Specifications

Order Number 6ES7400-1TA01-0AA0
Product Family SIMATIC S7-400
Rack Type UR1 (Universal Rack 1)
Slot Count 9 slots (numbered 1-9)
Slot Width 25mm per slot (standard S7-400 module width)
Total Width Approx. 530mm (20.9 inches)
Height 290mm (11.4 inches)
Depth 219mm (8.6 inches)
Material Anodized aluminum alloy
Backplane Bus Integrated K-bus (12 Mbps data rate)
Power Distribution Via backplane from PS 407 power supply
Mounting Wall-mount or 19" rack-mount (with adapter)
Operating Temp 0°C to +60°C (horizontal mounting)
Storage Temp -40°C to +70°C
Humidity 5% to 95% RH (non-condensing)
Vibration Resistance IEC 60068-2-6 (10-58 Hz)
Shock Resistance IEC 60068-2-27 (15g, 11ms)
EMC Compliance CE, FCC Class A, EN 61000-6-2/4
Safety Certifications UL 508, cULus, FM, ATEX Zone 2
Protection Rating IP20 (front panel)
Weight Approx. 2.5 kg (5.5 lbs)
MTBF >200,000 hours

🔧 Compatible S7-400 Components

CPUs (Slot 2 or 3)

  • CPU 412 series (6ES7412-xxxx-xxxx)
  • CPU 414 series (6ES7414-xxxx-xxxx)
  • CPU 416 series (6ES7416-xxxx-xxxx)
  • CPU 417 series (6ES7417-xxxx-xxxx)

Power Supplies (Slot 1)

  • PS 407 4A (6ES7407-0KA02-0AA0)
  • PS 407 10A (6ES7407-0KR02-0AA0)
  • PS 407 20A (6ES7407-0RA02-0AA0)

I/O Modules

  • Digital Input: SM 421 series
  • Digital Output: SM 422 series
  • Analog Input: SM 431 series
  • Analog Output: SM 432 series
  • Combination: SM 433, SM 434 series

Communication Processors

  • CP 443-1 (Ethernet/Industrial Ethernet)
  • CP 443-5 (Profibus DP)
  • CP 441-2 (Serial communication)

Function Modules

  • FM 450 (Counter module)
  • FM 451 (Positioning module)
  • FM 452 (Cam controller)
  • FM 458 (Motion control)

🏗️ System Architecture Guidelines

Slot Assignment Rules

Slot Number Recommended Module Type Notes
Slot 1 Power Supply (PS 407) Mandatory - provides 5V/24V to backplane
Slot 2 CPU or Interface Module Preferred CPU location for optimal bus access
Slot 3 CPU or Interface Module Alternative CPU location
Slots 4-9 I/O, CP, FM modules Flexible assignment based on application

Expansion Options

Single-Rack System: Up to 9 modules (1 PS + 1 CPU + 7 I/O/CP/FM)

Multi-Rack System: Connect up to 21 racks using UR2 expansion racks and IM 460/461 interface modules for maximum I/O capacity

Redundant Configuration: Use two UR1 racks with redundant CPUs and power supplies for high-availability applications


🏭 Industry Applications

Process Industries
Oil & gas refineries, chemical plants, pharmaceutical manufacturing - where S7-400's high processing power handles complex batch control, recipe management, and regulatory compliance (FDA 21 CFR Part 11).

Power Generation & Distribution
Substations, power plants, renewable energy farms - leveraging S7-400's deterministic performance for SCADA systems, load balancing, and grid synchronization.

Automotive Manufacturing
Body shops, paint lines, final assembly - coordinating hundreds of robots and conveyors with S7-400's multi-rack scalability and Profinet integration.

Water & Wastewater Treatment
Municipal treatment plants, desalination facilities - managing distributed pump stations and filtration systems with S7-400's long-distance communication capabilities.

Building Management Systems
Airports, hospitals, data centers - controlling HVAC, lighting, and security systems across large campuses with centralized S7-400 controllers.


🛠️ Installation Guide

Pre-Installation Checklist

  • ✓ Verify cabinet dimensions (minimum 600mm width for UR1 rack)
  • ✓ Ensure adequate ventilation (50mm clearance above/below rack)
  • ✓ Confirm power supply capacity (calculate total module current draw)
  • ✓ Plan cable routing paths for I/O wiring
  • ✓ Prepare grounding connection (M6 grounding stud on rack)

Step-by-Step Installation

  1. Mount the Rack
    • Position rack horizontally in cabinet at desired height
    • Use pre-drilled mounting holes to secure rack to cabinet back panel
    • Verify rack is level using spirit level (critical for module seating)
    • Tighten mounting screws evenly to prevent warping
  2. Install Power Supply
    • Insert PS 407 module into Slot 1 (leftmost position)
    • Ensure module clicks into backplane connector
    • Secure module with top and bottom locking screws
    • Connect 120/230V AC input power (do not energize yet)
  3. Install CPU
    • Insert CPU module into Slot 2 or Slot 3
    • Verify CPU is fully seated (backplane connector engaged)
    • Install memory card (MMC) if required by CPU model
    • Connect programming cable (MPI/Profibus or Ethernet)
  4. Install I/O and Communication Modules
    • Insert modules into Slots 4-9 as per system design
    • Leave unused slots empty (no blanking plates required)
    • Ensure all modules are locked in place
  5. Grounding and Shielding
    • Connect rack grounding stud to cabinet ground using 6mm² wire
    • Install cable shields to shield connection bar on rack
    • Verify continuity between rack and cabinet ground (<0.1Ω)
  6. Power-Up and Commissioning
    • Energize PS 407 power supply
    • Verify green PWR LED on power supply
    • Check CPU status LEDs (SF, BF, RUN/STOP)
    • Download PLC program using STEP 7 or TIA Portal
    • Test all I/O points before final commissioning

⚠️ Common Installation Mistakes

  • ❌ Installing CPU in Slot 1 (reserved for power supply only)
  • ❌ Mixing S7-300 and S7-400 modules (incompatible backplane)
  • ❌ Insufficient power supply capacity (causes voltage drops)
  • ❌ Poor grounding (leads to EMI issues and communication errors)
  • ❌ Vertical mounting without derating (reduces max operating temperature)

📊 S7-400 Rack Comparison

Rack Model Slots Width Best For Order Number
UR1 (This Product) 9 530mm Small to medium systems 6ES7400-1TA01-0AA0
UR2 18 830mm Large systems, expansion racks 6ES7400-1JA01-0AA0
UR2-H 18 830mm Redundant H-systems 6ES7400-1JA11-0AA0
CR2 18 2000mm Custom configurations (cut to length) 6ES7400-2JA00-0AA0

Selection Guide: Choose UR1 for compact systems with up to 7 I/O modules. Upgrade to UR2 for larger applications or when planning multi-rack expansion.


🔧 Troubleshooting Guide

Symptom Possible Cause Solution
CPU won't start (SF LED red) Insufficient power supply capacity Upgrade to higher-capacity PS 407 (10A or 20A)
Module not recognized Poor backplane contact Remove and reseat module, verify locking screws tight
Intermittent communication errors EMI interference Improve grounding, separate I/O cables from power cables
Backplane bus fault (BF LED) Damaged backplane connector Inspect connector pins, replace rack if damaged
Overheating modules Insufficient ventilation Increase clearance, add forced-air cooling if needed

🛡️ Authenticity Guarantee

⚠️ Counterfeit Rack Risks

Non-genuine S7-400 racks can cause catastrophic failures:

  • 🔥 Backplane bus failures leading to complete system shutdown
  • ⚡ Voltage irregularities damaging expensive CPU and I/O modules
  • 💥 Structural failures under module weight (inferior aluminum alloys)
  • 🚫 Voided Siemens warranty on all installed modules
  • ⚖️ Regulatory non-compliance (UL/CE certification issues)

✅ Industrial Control Hub Guarantee

  • 🔒 100% Genuine Siemens – Factory-sealed packaging with holographic labels
  • 📜 Full Traceability – Serial numbers and manufacturing dates on every rack
  • 🌍 Authorized Distributor – Verify our credentials at Siemens Industry Mall
  • 🛡️ 24-Month Warranty – Manufacturer warranty honored globally
  • 📦 Protective Packaging – Custom foam inserts prevent shipping damage
  • 📞 Technical Support – Pre-sales consultation and post-purchase assistance

📦 Package Contents

  • 1× Siemens 6ES7400-1TA01-0AA0 UR1 rack (9-slot)
  • Integrated backplane bus with K-bus connectors
  • Mounting hardware kit (screws and spacers)
  • Grounding stud (M6 thread)
  • Product documentation and certificate of conformity

Note: Modules, power supply, and cables are NOT included. Order separately based on your system requirements.


🔗 Essential Accessories

  • Power Supply: PS 407 4A (6ES7407-0KA02-0AA0) - minimum requirement
  • CPU: CPU 414-3 PN/DP (6ES7414-3EM07-0AB0) - popular choice
  • Programming Cable: PC Adapter USB (6ES7972-0CB20-0XA0)
  • Memory Card: MMC 8MB (6ES7953-8LM31-0AA0)
  • 19" Rack Adapter: For standard server rack mounting (6ES7400-0HR00-0AB0)

🤝 Technical Support

Industrial Control Hub provides comprehensive support:

  • 📧 System Design Assistance – Email us your I/O list for rack sizing recommendations
  • 📚 Documentation Library – Access Siemens manuals, CAD drawings, and wiring diagrams
  • 🎓 Training Resources – Video tutorials on S7-400 installation and configuration
  • 🔄 30-Day Returns – Hassle-free returns if unused and in original packaging
  • 🌐 Global Shipping – Worldwide delivery with tracking and insurance

❓ Frequently Asked Questions

Q: Can I use S7-300 modules in this rack?
A: No, S7-300 and S7-400 modules are not interchangeable. They have different backplane connectors and voltage requirements.

Q: How many I/O points can I connect to a UR1 rack?
A: Depends on module types. With 7 I/O slots, you could have up to 224 digital I/O points (using 32-channel modules) or 56 analog channels (using 8-channel modules).

Q: Can I expand beyond 9 slots?
A: Yes, use IM 460/461 interface modules to connect UR2 expansion racks. S7-400 supports up to 21 racks in a single system.

Q: What's the difference between UR1 and UR2?
A: UR1 has 9 slots (530mm width), UR2 has 18 slots (830mm width). UR2 is used for larger systems or as expansion racks.

Q: Do I need a fan for cooling?
A: Not typically. Natural convection is sufficient if you maintain 50mm clearance above/below the rack. Forced-air cooling may be needed in hot environments (>50°C ambient).

Q: Can I mount the rack vertically?
A: Yes, but you must derate the maximum operating temperature to 40°C (instead of 60°C for horizontal mounting).