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Siemens 6ES7315-2EH14-0AB0 SIMATIC S7-300 CPU
The Siemens 6ES7315-2EH14-0AB0 is a SIMATIC S7-300 CPU 315-2 PN/DP, a modular CPU combining PROFINET and PROFIBUS DP communication in one unit for the S7-300 automation system. It’s built for legacy and mid-scale plants that need to integrate both modern PROFINET devices and traditional PROFIBUS fieldbus equipment on the same controller. As a modular CPU, it mounts on an S7-300 rack alongside a separate power supply module and I/O modules to form a complete working system.
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Categories: Programmable Logic Controller (PLC)
Tags: SIMATIC S7-300 CPUs
Description
The Siemens SIMATIC S7-300 CPU 315-2 PN/DP offers 384 KB of integrated work memory, giving it enough capacity for mid-complexity control programs. It runs on a 24V DC supply and includes a combined MPI/PROFIBUS DP interface alongside a separate PROFINET interface with a 2-port switch, so it can talk to both legacy fieldbus devices and newer Ethernet-based equipment at the same time. A Micro Memory Card (MMC) is required to store the program and retain data without a battery.
This CPU is programmed using STEP 7 (V5.5 or higher) and supports LAD, FBD, STL, SCL, CFC, GRAPH, and HiGraph programming languages, giving engineers a wide range of options for writing control logic. It supports both PROFINET IO Controller and IO Device functionality at the same time, along with media redundancy for network resilience. The web server allows basic remote diagnostics, and it can function as either a PROFIBUS DP master or slave device.
QTech Safety is a leading supplier of Siemens 6ES7315-2EH14-0AB0 SIMATIC S7-300 CPU in Ireland, offering competitive prices and fast worldwide shipping across United Kingdom (UK), Germany, France, Italy, Spain, United States USA, Canada, Mexico, and Western Australia (Perth). Buy Siemens PLC Modules from one of Ireland’s most trusted industrial safety equipment suppliers.
Features of Siemens 6ES7315-2EH14-0AB0 SIMATIC S7-300 CPU
- Modular CPU combining PROFINET and PROFIBUS DP in one unit
- 384 KB integrated work memory (not expandable)
- Combined MPI/PROFIBUS DP interface plus separate PROFINET interface
- PROFINET interface includes a built-in 2-port switch
- Supports PROFINET IO Controller and IO Device roles simultaneously
- Supports media redundancy (MRP) for network resilience
- Built-in web server with user-defined pages
- Requires Micro Memory Card (MMC) for program storage and backup
- Supports up to 4 racks and 8 modules per rack
- Real-time hardware clock with 6-week backup
- Programmable using LAD, FBD, STL, SCL, CFC, GRAPH, and HiGraph in STEP 7
- Compatible with existing S7-300 rack-based systems for retrofit and expansion
Technical Specifications of Siemens 6ES7315-2EH14-0AB0
- Product type: CPU 315-2 PN/DP
- Firmware version: V3.2
- Programming software: STEP 7 V5.5 or higher
- Power supply: 24V DC (range 20.4V to 28.8V)
- Current consumption: 750 mA rated
- Power loss: 4.65 W typical
- Work memory: 384 KB, integrated (not expandable)
- Load memory: Micro Memory Card (MMC) required, up to 8 MB
- Retentive memory: Up to 128 KB
- 1st interface: Combined MPI/PROFIBUS DP, up to 12 Mbit/s
- 2nd interface: PROFINET, 2 ports with integrated switch, 10/100 Mbit/s
- PROFINET IO Controller: Yes, up to 128 connectable devices
- PROFIBUS DP master: Yes, up to 124 connectable devices
- Media redundancy (MRP): Supported
- Web server: Yes, with user-defined pages
- Digital I/O address area: 2,048 bytes inputs, 2,048 bytes outputs
- Analog channels: Up to 1,024 inputs, 1,024 outputs
- Max modules per rack: 8
- Max racks: 4
- Real-time clock: Yes, 6 weeks backup at 40°C
- Programming languages: LAD, FBD, STL, SCL, CFC, GRAPH, HiGraph
- Operating temperature: 0°C to 60°C
- Dimensions (W x H x D): 40 x 125 x 130 mm
- Weight: 340 g approx.
Applications
The Siemens 6ES7315-2EH14-0AB0 SIMATIC S7-300 CPU is commonly used in:
- Legacy plant automation maintenance and expansion
- Mixed PROFINET/PROFIBUS network integration
- Mid-scale industrial process control
- Systems requiring both DP master and PROFINET IO Controller roles
- Retrofit projects upgrading older S7-300 installations
- Systems requiring basic network redundancy (MRP)
Why Choose QTech Safety?
At QTech Safety, we’re more than just a safety supplier we’re your trusted partner in workplace protection and compliance.
Here’s why companies across UK and Ireland (EU) choose us for safety products and training:
- Comprehensive Range of Safety Equipment:
From gas detection and PPE to industrial safety tools, we offer one of the widest selections of trusted brands all at competitive Irish market prices. - Test & Measurement Instruments You Can Trust:
We supply a wide range of test and measurement instruments from the most leading and trusted brands, including industrial sensors, multimeters, oscilloscopes, accelerometers, proximity sensors, and other advanced measurement tools to support accurate diagnostics, condition monitoring, calibration, and maintenance applications. - Expert Health & Safety Training:
We provide professional health and safety training programmes designed to help your workforce stay compliant and confident on the job. - Fast, Reliable Delivery Worldwide:
Whether you’re in Texas United States or Perth Western Australia, our fast delivery service ensures you get your safety equipment quickly and efficiently. - Trusted by European Businesses:
We’re proud to support industries across Europe (UK) with certified safety solutions, expert advice, and responsive customer service.
We Ship Worldwide
At QTech Safety, we supply industrial sensors and instrumentation across Ireland, offering fast and reliable worldwide delivery. Through strong global logistics partnerships, we ensure efficient shipping and professional support for customers in Europe, North America, and Australia.
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