Product Introduction
With a 4 MB work memory and processing times as low as 18.75 ns, the Siemens 6ES7414-5HM06-0AB0 CPU delivers exceptional performance for high-availability S7-400H systems. This central processing unit, designated CPU 414-5H PN/DP, is designed for use in S7-400H and S7-400F/FH fault-tolerant configurations. It features five interfaces: one MPI/DP, one PROFIBUS DP, one PROFINET, and two fiber-optic synchronization module slots. Upgrading from older CPUs to the 6ES7414-5HM06-0AB0 provides significant improvements in memory and connectivity, making it an ideal choice for modernizing redundant control systems.
Technical Specifications
Below are key technical specifications sourced directly from the product datasheet for the Siemens 6ES7414-5HM06-0AB0:
| Parameter |
Value |
| Product type designation |
CPU 414-5H PN/DP |
| HW functional status |
1 |
| Firmware version |
V6.0 |
| Work memory integrated |
4 Mbyte (2 Mbyte program, 2 Mbyte data) |
| Load memory expandable FEPROM max. |
64 Mbyte |
| Backplane bus current (5 V DC), typ. |
1.6 A |
| Power loss, typ. |
7.5 W |
| Processing times (bit/word/fixed point) |
18.75 ns |
| Processing time (floating point) |
37.5 ns |
| Number of digital inputs/outputs |
65,536 each |
| Number of analog inputs/outputs |
4,096 each |
| Interfaces |
1x MPI/DP, 1x PROFIBUS DP, 1x PROFINET, 2x sync modules |
| Dimensions (W x H x D) |
50 mm x 290 mm x 219 mm |
| Weight |
Approx. 995 g |
Industry Applications
The Siemens 6ES7414-5HM06-0AB0 is engineered for high-reliability automation tasks. Typical applications include:
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Chemical and Petrochemical Plants: The fault-tolerant architecture ensures continuous operation in critical processes such as batch control and safety shutdown systems.
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Power Generation: Redundant S7-400H configurations using this CPU handle turbine control and grid synchronization with minimal downtime.
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Water and Wastewater Treatment: The 6ES7414-5HM06-0AB0 manages distributed I/O over PROFINET and PROFIBUS, maintaining operation even during network interruptions.
When upgrading from older CPUs, the enhanced memory and processing speed of the 6ES7414-5HM06-0AB0 reduce scan times and allow more complex logic execution.
Compatibility and Integration
This CPU integrates seamlessly into SIMATIC S7-400 rack systems. Key compatibility features include:
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Programming Package: Requires STEP 7 V5.5 SP2 with HF1 or higher.
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Communication Protocols: Supports MPI (12 Mbit/s), PROFIBUS DP (12 Mbit/s), PROFINET IO Controller (100 Mbit/s), Open IE (TCP/IP, UDP, ISO-on-TCP), and S7 communication.
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Redundancy: Works with synchronization modules (6ES7960-1AA06-0XA0 or 6ES7960-1AB06-0XA0) for true hot-standby operation.
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I/O Capacity: Up to 256 IO Devices on PROFINET and 96 DP slaves on the third interface.
The 6ES7414-5HM06-0AB0 is backward-compatible with existing S7-400 racks and power supplies, simplifying upgrades.
Selection Guide and Purchasing Advice
Before ordering the Siemens 6ES7414-5HM06-0AB0, verify that your system meets the following requirements:
- Rack slots: The CPU occupies two slots.
- Memory Card: For load memory expansion, use a FLASH Memory Card (up to 64 Mbyte).
- Battery Backup: A backup battery is required for retentive data storage; external backup voltage (5 V DC to 15 V DC) is supported.
- Firmware: Ensure your engineering software matches V6.0 (STEP 7 V5.5 SP2 HF1).
PLC Source PRO offers the 6ES7414-5HM06-0AB0 as a genuine Siemens module. For additional technical support, contact our team at ubest101.myshopify.com.