Siemens A5E34736460 – Industrial Control Motherboard | SIMATIC S7 Platform
Engineering Background
The Siemens A5E34736460 is a factory-original motherboard engineered for the SIMATIC S7 series of programmable logic controllers (PLCs). Designed to meet the rigorous demands of continuous industrial operation, this board serves as the central processing and communication backbone within compatible SIMATIC controller chassis. It is a direct OEM replacement component sourced from Siemens AG’s industrial automation division.
Product Positioning
Targeted at maintenance engineers, MRO procurement teams, and system integrators managing SIMATIC S7-based control architectures, the A5E34736460 motherboard provides a verified, drop-in replacement solution that eliminates costly downtime associated with controller failures. Konmask.com supplies this component with full traceability and quality verification to support mission-critical industrial environments.
Complete Technical Specifications
| Part Number | A5E34736460 |
| Manufacturer | Siemens AG |
| Product Family | SIMATIC S7 Series |
| Component Type | Industrial Control Motherboard / CPU Board |
| Form Factor | Proprietary SIMATIC Backplane Module |
| Operating Temperature | 0°C to +60°C (standard industrial range) |
| Storage Temperature | -40°C to +70°C |
| Humidity | 5% to 95% RH, non-condensing |
| Protection Class | IP20 (within enclosure) |
| Weight | 10.7 kg (packaged) |
| Compliance | CE, UL, RoHS |
| Condition | New / Refurbished OEM (specify at inquiry) |
Proven Application Environments
- Discrete Manufacturing: Automotive assembly lines, stamping and welding cells requiring high-speed I/O coordination
- Process Industries: Chemical, petrochemical, and pharmaceutical plants with continuous process control requirements
- Power & Energy: Substation automation, power distribution control panels, and grid management systems
- Water & Wastewater: Pump station control, SCADA-integrated treatment plant automation
- Building Automation: HVAC control systems, elevator management, and facility energy management
- MRO & Maintenance: Direct replacement for failed or end-of-life SIMATIC S7 controller motherboards
Engineering Advantages
- OEM Authenticity: Genuine Siemens part number with full manufacturer traceability — no counterfeit risk
- Drop-In Compatibility: Designed for direct installation into compatible SIMATIC S7 chassis without firmware modification
- High MTBF Rating: Built to Siemens industrial-grade reliability standards for 24/7 continuous operation
- EMI/EMC Hardened: Shielded design meets IEC 61000 series electromagnetic compatibility requirements
- Thermal Management: Integrated heat dissipation design supports extended temperature operation without derating
- Long-Term Availability: Konmask.com maintains strategic stock to support legacy SIMATIC installations beyond standard product lifecycle
System Architecture & Signal Flow
The A5E34736460 motherboard functions as the central arbitration layer within the SIMATIC S7 controller chassis. It manages:
- CPU-to-Backplane Interface: High-speed parallel bus connecting the CPU module to I/O expansion racks
- Power Distribution: Regulated DC power routing to all installed modules via the backplane connector array
- Communication Arbitration: Coordinates PROFIBUS DP, MPI, and PROFINET protocol traffic between controller and field devices
- Diagnostic Signal Routing: Passes module health and fault status signals to the CPU for STEP 7 / TIA Portal diagnostics
- Rack Addressing: Supports multi-rack configurations with hardware slot addressing for distributed I/O expansion
Sourcing & Quality Verification
- All units sourced through authorized industrial distribution channels or directly from Siemens-certified supply chains
- Each board undergoes incoming inspection: visual check, part number verification, and functional power-on test where applicable
- Serialization and date codes are verified against Siemens manufacturing records upon request
- Anti-static packaging with humidity indicator cards for safe international transit
- Certificate of Conformance (CoC) and test reports available upon request for regulated industries
Procurement Process
- Confirm Compatibility: Provide your existing SIMATIC S7 chassis model and CPU order number to our technical team for cross-reference verification
- Request Quote: Contact support@konmask.com or call +0086 19859288691 for volume pricing and lead time confirmation
- Place Order: Purchase directly via this product page or via purchase order (PO) for B2B accounts
- Shipping: DHL / FedEx / UPS international express available; EXW Xiamen or CIF destination terms negotiable
- After-Sales: 12-month warranty on new units; technical support available for installation guidance
Technical FAQ
Q: Is the A5E34736460 compatible with all SIMATIC S7 variants?
A: Compatibility depends on the specific S7 sub-series and chassis revision. Please share your full system configuration with our engineers before ordering to confirm fitment.
Q: Can this board be used with TIA Portal?
A: Yes, when installed in a compatible CPU module assembly, the board supports STEP 7 V5.x and TIA Portal V13 and above, subject to CPU firmware version.
Q: Do you offer refurbished units?
A: Yes. Both new OEM and professionally refurbished units are available. Refurbished units are fully tested and carry a 6-month warranty. Please specify your preference at inquiry.
Q: What is the lead time for out-of-stock units?
A: Standard lead time for sourced units is 3–10 business days internationally. Expedited sourcing is available for urgent MRO requirements.
Q: Can I return the product if it does not fit?
A: Returns are accepted within 30 days for unused, unopened units. Please contact support@konmask.com to initiate an RMA.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
