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6ES7318-3EL01-0AB0

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The SIEMENS 6ES7318-3EL01-0AB0 is the SIMATIC S7-300 CPU 319-3 PN/DP central processing unit, engineered to handle complex, speed-critical automation architectures with its robust 2 MB work memory.
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Technical specifications for 6ES7318-3EL01-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7318-3EL01-0AB0
  • Product Family:
    Siemens Simatic S7-300
  • Product Type:
    Central Processing Unit
  • Stock:
    1
  • HW functional status:
    01
  • Firmware version:
    V3.2
  • Rated value (DC):
    24 V
  • permissible range, lower limit (DC):
    19.2 V
  • permissible range, upper limit (DC):
    28.8 V
  • external protection for power supply lines (recommendation):
    2 A min
  • Power loss, typ.:
    14 W
  • Weight:
    1.25 kg
  • Estimated shipping dimensions:
    12x12.5x13cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Operating Environment Installation & Integration

Features:

  • Central Processing Unit Bridging Control Logic and Distributed I/O Networks
  • Integrates Multi-Protocol Communication with High-Speed Data Processing
  • Functions in Coordination with SIMATIC S7-300 Modules and PROFINET/PROFIBUS Devices
The SIEMENS 6ES7318-3EL01-0AB0 serves as the Central Processing Unit in a SIMATIC S7-300 rack, providing reliable execution of control programs for all modules within the system. It continuously processes complex automation tasks using its 2 MB work memory and distributes control commands through the rack backplane to support steady-state operation of all signal modules and function modules. Seamless protocol integration is standard with the 6ES7318-3EL01-0AB0, and its three independent communication interfaces enable simultaneous operation across MPI/DP, PROFIBUS DP, and PROFINET networks without interruption.

The 6ES7318-3EL01-0AB0 provides essential processing functions common to the entire rack, and is a critical component of the control path, directly affecting the proper, normal operation of the overall automation system. One 6ES7318-3EL01-0AB0 CPU is required per rack as the central controller. The 6ES7318-3EL01-0AB0 occupies a standard slot in the rack and is always located in the designated CPU position.

For expanded communication applications, the 6ES7318-3EL01-0AB0 leverages its 2nd interface as a DP master or slave and its 3rd interface as a PROFINET controller with integrated switch functionality. In addition to standard single-network operation, the multi-interface configuration also performs simultaneous protocol handling. The 6ES7318-3EL01-0AB0 dual-protocol configuration executes data exchange using the internal circuitry specified in the CPU communication options.

The 6ES7318-3EL01-0AB0 SIEMENS Central Processing Unit may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
SIEMENS 6ES7318-3EL01-0AB0 Central Processing Unit Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
SIEMENS 6ES7318-3EL01-0AB0 Central Processing Unit Specs

General

  • Manufacturer SIEMENS
  • Model 6ES7318-3EL01-0AB0
  • Condition New Original ready stock
  • Product Family 6ES7390-1AE80-0AA0,6ES7307-1EA01-0AA0
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Demanding Automation Tasks: Used for large-scale, cross-industry automation in series machines, special machines, and complex plant construction.
  • Distributed Network Control: Functions as a central controller in production lines, managing distributed I/O via PROFIBUS and PROFINET.
  • Time-Critical Synchronization: Supports Isochronous Mode on PROFIBUS or PROFINET for highly synchronized, fast-cycle processes.
  • Intelligent Subsystems: Operates as a PROFINET I-Device to connect seamlessly under other SIMATIC or non-Siemens master controllers.
  • Plant-to-Office Communications: Leverages an integrated web server and Component-Based Automation (CBA) to bridge field devices with enterprise networks.
  • Rated Voltage: Requires a 24 V DC power supply with a permissible input range between 19.2 V DC and 28.8 V DC.
  • Current & Power: Draws a rated current consumption of 1,250 mA, with a typical power loss dissipation of 14 W.
  • Memory Constraints: Relies on a plug-in SIMATIC Micro Memory Card (MMC) up to 8 MB for load memory and data retention.
  • Protection Standards: Must be mounted inside a protective industrial enclosure/cabinet to safe-keep against dust, moisture, and conductive contaminants.
  • Rail Mounting: Hooks directly onto a standard S7-300 DIN rail and secures mechanically via built-in locking screws.
  • Bus Connectivity: Integrates with adjacent I/O modules using rear-facing S7 backplane bus connectors.
  • Software Configuration: Programmed and configured using STEP 7 V5.5 (or higher) or via the TIA Portal framework.
Description
SIEMENS 6ES7318-3EL01-0AB0 is a high-performance central processing unit from the SIMATIC S7-300 series. The 6ES7318-3EL01-0AB0 model is equipped with 2 MB of work memory, providing sufficient capacity for complex control logic and data processing tasks. This CPU 319-3 PN/DP is specifically designed to handle demanding automation challenges in large-scale distributed systems, addressing the need for seamless integration between multiple communication protocols and high-speed data exchange across extensive production networks.

The 6ES7318-3EL01-0AB0 features three communication interfaces to ensure versatile connectivity. The 1st interface is an MPI/DP port supporting data rates up to 12 Mbps, enabling reliable communication with programming devices and operator panels. The 2nd interface functions as a DP master or slave, offering flexibility for connecting distributed I/O devices. The 3rd interface is an Ethernet-based PROFINET port with an integrated 2-port switch, facilitating the construction of linear network topologies without additional hardware. It is important to note that the 6ES7318-3EL01-0AB0 requires a Micro Memory Card for operation, which is used to store the user program and configuration data.

In terms of application fields, the 6ES7318-3EL01-0AB0 is widely deployed in automotive manufacturing, food and beverage processing, water treatment facilities, and packaging machinery. Its multi-protocol support makes it particularly suitable for environments where legacy PROFIBUS networks must coexist with modern PROFINET infrastructures. For installation and integration, the 6ES7318-3EL01-0AB0 mounts directly onto standard S7-300 racks and is compatible with existing SM modules, ensuring straightforward retrofitting into established control cabinets. Regarding upgrade recommendations, users operating older CPU models within the S7-300 family should consider migrating to the 6ES7318-3EL01-0AB0 when expanding system scale or adding PROFINET-enabled devices, as it provides a future-proof pathway toward Industry 4.0 architectures while preserving existing DP investments.
Alternative Names
6ES7318 3EL01 0AB0 6ES73I8-3EL0I-0AB0 6ES7318-3ELO1-OABO 6ES7953-8LP31-0AA0 6ES7953-8LL31-0AA0 6ES7390-1AE80-0AA0 6ES7307-1EA01-0AA0 6ES7307-1KA02-0AA0 6ES7318-3FL01-0AB0
Technical notes
The 6ES7318-3EL01-0AB0 central processing unit is designed to handle large program frameworks, high communication overhead, and ultra-fast bit processing speeds of 0.004 µs. It provides massive data storage and three integrated communication ports, effectively solving processing bottlenecks and communication latency issues in distributed industrial networks, eliminating the need for a separate communication processor.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Where is the SIEMENS 6ES7318-3EL01-0AB0 commonly used?
The SIEMENS 6ES7318-3EL01-0AB0 is widely used in manufacturing and process industries, including automotive production, packaging machinery, food and beverage processing, and water treatment plants. Its high-performance processing capability makes it suitable for complex industrial automation tasks.
Can the SIEMENS 6ES7318-3EL01-0AB0 be used in logistics systems?
Yes. The controller is well suited for automated logistics centers where it can manage barcode scanning, real-time tracking, conveyor control, and multi-axis sorting operations simultaneously.
How is the SIEMENS 6ES7318-3EL01-0AB0 installed?
The SIEMENS 6ES7318-3EL01-0AB0 is installed on a standard SIMATIC S7-300 DIN rail. An external SIMATIC Micro Memory Card (MMC) with a capacity of up to 8 MB is required to store the operating program and project data.
What communication interfaces does the SIEMENS 6ES7318-3EL01-0AB0 provide?
The controller features an integrated MPI/DP interface, a dedicated PROFIBUS DP port, and a PROFINET Industrial Ethernet interface with a built-in two-port RJ45 switch. These interfaces provide flexible connectivity for distributed automation systems.

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