KEPServerEX Siemens Plus Suite


Siemens Plus Suite


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The Siemens Plus Suite for KEPServerEX bundles Kepware’s Siemens drivers with the OPC UA Client driver for users’ convenience. It provides an easy, secure, and reliable way to connect Siemens Ethernet and Serial-based PLCs and devices to client applications, including HMI/SCADA, MES/Historian, ERP, IoT, and custom OPC client applications.

In addition to the features supported in the standard Siemens Suite for KEPServerEX, the Siemens Plus Suite includes connectivity to Siemens S7-1500 controllers via the OPC UA Client driver. Supporting symbolic addressing and optimized data blocks, it enables quicker programming times, improved performance and memory utilization, and the ability to quickly change PLC programming.

The Siemens Plus Suite is especially helpful for Manufacturing Industry users who utilize OPC UA with Siemens S7-1500 controllers and other Siemens products in their machining and molding, process, assembly, robotics, packaging, and material handling process phases.

Kepware works closely with Siemens, a leading supplier of industrial automation, drive, and software solutions, to ensure continued interoperability and support. The Siemens Plus Suite utilizes the only Siemens-sanctioned method for third-party connectivity to Siemens S7-1500 controllers. With the Siemens Plus Suite, users can utilize the world-class connectivity features and tools available in KEPServerEX while retaining the Siemens S7-1500’s performance and security.


  • Connects to S7-1500 controllers and many other Siemens devices
  • Supports Symbolic Addressing
  • Supports data blocks for direct tag addressing by tag name
  • Supports User Defined Types (UDTs)
  • Breaks complex data into individual simple data tags, providing easy data access for all OPC clients


Available Languages

  • English
  • German
  • Japanese

Additional Tech Info

  • Enables users to compile S7-1500 projects using optimized data blocks
  • Automatic symbolic tag generation from STEP7 project directories for S7-300 and 400 models
  • Supports PG, OP, and PC Link Types for S7 Industrial Ethernet devices
  • Emulates an S7-300 model using the unsolicited driver in order to reduce polling over the network and receive rapid updates from master controllers
  • Supports Communications Processors CP-243, 343, and 443 for Industrial Ethernet
  • Supports Ethernet Encapsulation for Serial protocol drivers
  • Supports low-cost netLink Communications adapter for Siemens Industrial Ethernet to MPI conversion
  • Supports Siemens MPI PC adapter or null modem cable for S7 MPI devices
  • Supports the EM241 modem module for Siemens S7-200
  • Supports the PPI (11 bit) and PPM (10 bit) protocols for Siemens S7-200

Component Drivers

  • OPC UA Client
  • Siemens S5
  • Siemens S5 3964R
  • Siemens S7 MPI
  • Siemens S7-200
  • Siemens TCP/IP Ethernet
  • Siemens TCP/IP Unsolicited Ethernet

Supported Devices

  • Siemens S7-200
  • Siemens S7-300
  • Siemens S7-400
  • Siemens S7-1200
  • Siemens S7-1500
  • Siemens S5
  • Siemens S5 (3964R)
  • Siemens S7 MPI

Note: This is a partial list; unlisted devices may be supported. For a complete listing, please contact KEP.

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