4.5mA SIMATIC S7 300 Cpu PLC 6ES7315-2AH14-0AB0 CPU 315-2 DP

SIMATIC S7-300 PLC 6ES7315-2AH14-0AB0 CPU 315-2 DP

I. Product Description:

The SIMATIC 6ES7315-2AH14-0AB0 is a classic CPU module from SIMATIC’ SIMATIC S7-300 series, model CPU 315-2 DP. It is a controller with medium-to-large-scale program memory and an integrated PROFIBUS DP interface, suitable for medium-sized applications requiring distributed automation control

: The unit itself does not have integrated I/O points. It supports modular expansion and can be connected to up to 32 modules (4-rack configuration) to meet the control requirements of a large number of I/O points.

Bit operation speed: 0.05 µs per instruction.

Word operation speed: 0.09 µs per instruction.

Fixed-point operation speed: 0.12 µs per instruction.

Floating-point operation speed: 0.45 µs per instruction.

II. Product Specifications:

SIMATIC 6ES7315-2AH14-0AB0｜SIMATIC S7-300 CPU 315-2 DP

Permitted Supply Voltage Range: 20.4 to 28.8 V DC;
Current Consumption: Approximately 0.95 A from the 24 V DC supply;
Backplane Bus Current Consumption: Approximately 100 mA at 5 V DC;
Typical Power Loss: Approximately 4.5 W;
Work Memory: 128 KB;
Load Memory: Up to 8 MB with SIMATIC Micro Memory Card;
Retentive Memory: Up to 128 KB;
Battery Backup: Not required for retentive memory;
Program Memory: Integrated work memory for user program processing;
Bit Processing Performance: Approximately 0.05 μs per instruction;
Word Processing Performance: Approximately 0.09 μs per instruction;
Floating-Point Arithmetic Performance: Approximately 0.16 μs per instruction;
MPI Interface: 1 × integrated MPI interface;
MPI Transmission Rate: Up to 12 Mbit/s;
PROFIBUS DP Interface: 1 × integrated PROFIBUS DP interface;
PROFIBUS DP Transmission Rate: Up to 12 Mbit/s;
PROFIBUS DP Master: Supported;
PROFIBUS DP Slave: Supported;
Communication Functions: MPI, PROFIBUS DP, PG/OP communication, and S7 communication;
S7 Communication: Supported;
Global Data Communication: Supported;
Diagnostic Functions: Integrated diagnostic buffer, module diagnostics, and system diagnostics;
Time-of-Day Functions: Integrated real-time clock;
Time Synchronization: Supported;
Interrupt Functions: Time-of-day interrupts, cyclic interrupts, hardware interrupts, and diagnostic interrupts supported;
Protection Functions: Password protection and access protection supported;
Programming Languages: LAD, FBD, STL, SCL, and GRAPH, depending on programming environment;
Engineering Software: STEP 7 / TIA Portal;
Configuration: Parameterizable through the STEP 7 engineering environment;
SIMATIC Memory Card: Required for user program and configuration storage;
Expansion Capability: Supports S7-300 signal modules, function modules, and communication modules;
Installation: Mounted on an S7-300 mounting rail;
Protection Rating: IP20;
Operating Temperature: 0 to 60 °C;
Storage / Transport Temperature: -40 to 70 °C;
Maximum Installation Altitude: Up to 5,000 m above sea level, subject to applicable environmental restrictions;
Dimensions (W × H × D): Approximately 40 × 125 × 130 mm;
Net Weight: Approximately 0.3 kg;
Typical Applications: Machine automation, distributed control systems, production lines, conveyor systems, process monitoring, PROFIBUS DP communication, industrial control, and medium-performance SIMATIC S7-300 automation systems

III. Technical Parameters:

SIMATIC S7-300, CPU 315-2DP central processing unit with MPI integrated power supply 24 V DC work memory 256 KB 2nd interface DP master/device Micro Memory Card required

IV. Industries Served:

PLC S7-300 SIMATIC 6ES7315-2AH14-0AB0. This CPU is used in the most basic applications. It is commonly employed to control equipment such as specialized machine tools, general mechanical engineering machinery, packaging machinery, and textile machinery. Additionally, in production lines within the automotive industry, plastics processing, and the food and beverage industry,

thanks to its PROFIBUS DP interface, it is well-suited for scenarios requiring distributed control. It is widely used in process engineering fields such as water treatment and building automation.

In the coal mining industry, it is used in monitoring systems for underground belt conveyors; in the oil and gas industry, it is used in control systems for natural gas compressor units, and it is capable of withstanding harsh environments such as extreme cold and high dust levels.

V. Why choose us?

We source directly from China’s Tier 1 channels, eliminating all middleman markups. This means you get competitive prices close to factory cost, and we pass those savings on to you as profit or budget flexibility for your projects. 

Don’t let stockouts slow down your project schedule. For popular models like the S7-1500 and G120, which are frequently purchased, we always maintain high levels of in-stock inventory. The moment you place your order, the goods are already ready in our warehouse. Within 1–3 business days, you’ll receive the tracking number for your international express shipment. Whether your factory is in the Middle East, Southeast Asia, or across Europe and the Americas, our global logistics network helps you reclaim valuable time.

From precision manufacturing in Europe to oil and gas fields in the Middle East, and electronics assembly lines in Southeast Asia, our products and solutions have withstood the test of demanding operating conditions around the world. We deeply understand the unique characteristics of each market, and this global experience is the guarantee of your project’s successful implementation.

We don’t just sell products—we provide the technical support that keeps your equipment running smoothly. Whether you’re facing challenges with product selection, encountering commissioning errors, or dealing with unexpected failures, our technical team is always on standby to ensure your production line issues receive a professional response—not just a voicemail.

VI. FAQ:

1,How to buy the product?

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