SIEMENS 6ES7 414-5HM06-0AB0 – CPU 414-5H Fault-Tolerant Processor Module | SIMATIC S7-400H
Engineering Background
The SIMATIC S7-400H is Siemens’ flagship fault-tolerant PLC platform, engineered for continuous-process industries where unplanned downtime carries catastrophic operational and financial consequences. The CPU 414-5H is the mid-range processor within the H-series, providing redundant processing capability with synchronised master/standby operation over a dedicated fibre-optic sync link.
Product Positioning
The 6ES7 414-5HM06-0AB0 (firmware revision HM06) is the current production variant of the CPU 414-5H, replacing earlier HM05 and HM04 revisions. It is the preferred choice for engineers specifying a high-availability controller with moderate memory footprint requirements — positioned between the entry-level CPU 412-5H and the high-memory CPU 416-5H. Konmask.com maintains verified OEM stock of this module for direct B2B procurement.
Complete Technical Specifications
| Parameter | Value |
|---|---|
| Order Number (MLFB) | 6ES7 414-5HM06-0AB0 |
| Product Family | SIMATIC S7-400H / S7-400F/FH |
| CPU Type | CPU 414-5H |
| Firmware Version | V6.0 (HM06) |
| Working Memory (Code) | 4 MB |
| Working Memory (Data) | 4 MB |
| Load Memory | 8 MB integrated Flash EPROM + expandable via MMC |
| Processing Speed (Bit) | 0.06 µs / instruction |
| Processing Speed (Word) | 0.06 µs / instruction |
| Processing Speed (Float) | 0.24 µs / instruction |
| Max. Digital I/O | 131,072 inputs / 131,072 outputs |
| Max. Analog I/O | 8,192 inputs / 8,192 outputs |
| Timers / Counters | 2,048 / 2,048 |
| Data Blocks | Up to 8,191 DBs |
| MPI Interface | 1 × MPI/DP (12 Mbit/s) |
| PROFIBUS DP Interface | 1 × DP Master/Slave (12 Mbit/s) |
| H-Sync Interface | 2 × fibre-optic (redundancy sync) |
| Redundancy Mode | 1-of-2 (1oo2) hot-standby |
| Switchover Time | < 100 ms (bumpless) |
| Supply Voltage | DC 24 V (via backplane) |
| Power Consumption | Approx. 4.5 W |
| Operating Temperature | 0 °C … +60 °C |
| Storage Temperature | −40 °C … +70 °C |
| Relative Humidity | 10 % … 95 % (non-condensing) |
| Degree of Protection | IP 20 |
| Dimensions (W × H × D) | 50 × 290 × 219 mm |
| Weight | Approx. 1,140 g |
| Certifications | CE, UL, cUL, FM, ATEX (Zone 2) |
| HS Code | 8537.10 |
Proven Application Environments
- Oil & Gas: Compressor control, pipeline SCADA, wellhead safety shutdown systems (SIS)
- Chemical & Petrochemical: Continuous reactor control, distillation column automation, batch management
- Power Generation: Turbine governor control, boiler management, grid synchronisation
- Water & Wastewater: Pumping station redundancy, treatment plant SCADA
- Automotive Manufacturing: Paint-shop conveyor control, press-line automation requiring zero unplanned stops
- Pharmaceutical: FDA 21 CFR Part 11-compliant batch processes, clean-room HVAC
Engineering Advantages
- Bumpless Switchover (<100 ms): Hot-standby architecture ensures process continuity without operator intervention or output glitches during CPU failover.
- Dual Fibre-Optic Sync: Two independent H-sync channels eliminate single-point-of-failure on the redundancy link; supports sync cable lengths up to 10 km.
- Integrated Safety (F/FH): Compatible with S7-400F/FH safety configurations; supports PROFIsafe over PROFIBUS DP for SIL 3 / Cat. 4 safety loops.
- Scalable Memory: 4 MB working memory is expandable via Siemens MMC cards, future-proofing the platform for program growth.
- Unified Engineering: Programmed in STEP 7 (Classic) or TIA Portal V15+; existing S7-400 libraries are fully reusable.
- Long Service Life: S7-400H platform has an extended product lifecycle commitment from Siemens through 2030+, protecting capital investment.
System Architecture & Signal Flow
In a standard S7-400H configuration, two identical CPU 414-5HM06-0AB0 modules are installed in separate UR2-H rack halves. Both CPUs execute the same user program synchronously. I/O is accessed via shared PROFIBUS DP rings or redundant ET 200M remote I/O stations. The H-sync fibre link continuously compares CPU states; on detection of a fault in the master CPU, the standby assumes control within one PLC scan cycle (<100 ms). The failed CPU can be replaced and re-synchronised online (Online Replacement) without stopping the process.
Sourcing & Quality Verification
- Origin: OEM-manufactured by Siemens AG, Germany / China production facilities.
- Condition: New-in-box (NIB) with original Siemens packaging and holographic authenticity label.
- Inspection: Each unit undergoes incoming inspection — firmware version verification, seal integrity check, and functional power-on test before dispatch.
- Traceability: Serial number and date code recorded at goods receipt; available on request for audit purposes.
- Warranty: 12-month Konmask warranty against manufacturing defects, supplementary to Siemens OEM warranty terms.
Procurement Process
- Enquiry: Submit your BOM or single-line RFQ to support@konmask.com or via the product page enquiry form.
- Quotation: Receive a formal quotation with lead time, unit price (HKD/USD), and Incoterms within 1 business day.
- Order Confirmation: Issue a PO against the quotation; proforma invoice issued immediately.
- Payment: T/T bank transfer, PayPal, or credit card accepted. Net-30 terms available for approved accounts.
- Dispatch: DHL Express / FedEx International Priority with full export documentation (commercial invoice, packing list, COO).
- After-Sales: Technical support available via email and WhatsApp (+0086 19859288691) for installation and commissioning queries.
Technical FAQ
Q: Is the 6ES7 414-5HM06-0AB0 compatible with TIA Portal?
A: Yes. TIA Portal V15 and later support the S7-400H family via the “S7-400” hardware catalogue. STEP 7 V5.6 SP2 is also fully supported.
Q: Can this CPU be used in a non-redundant (standard) S7-400 rack?
A: The CPU 414-5H is designed for the UR2-H redundant rack. It can operate in single-CPU mode for commissioning purposes, but the H-sync ports will be inactive.
Q: What is the difference between HM05 and HM06 firmware?
A: HM06 introduces enhanced PROFIBUS DP diagnostic capabilities, improved cycle-time consistency under high I/O load, and extended MMC compatibility. HM06 is the recommended revision for all new projects.
Q: What fibre-optic cable type is required for the H-sync link?
A: 62.5/125 µm multimode fibre with SC connectors (Siemens 6XV1820-5BH20 or equivalent). Maximum segment length 10 km with appropriate optical budget.
Q: Do you provide export documentation for customs clearance?
A: Yes. Full export documentation is provided as standard: commercial invoice, packing list, certificate of origin, and ECCN classification on request.
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