Driver Details






TOP Server S5/S7 Siemens OPC & I/O Server

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Siemens S7 Ethernet Driver Details

This driver is a member of the TOP Server S5/S7 Siemens Suite OPC Server.  When you download or purchase the Siemens Suite, this driver is included along with all the TOP Server built-in features. This driver provides connectivity to Siemens S7 devices via Siemens TCP/IP Ethernet protocol.  The Siemens S7 Ethernet driver is a multi-threaded high performance driver for simultaneous communication with multiple PLCs using multiple channels.

TOP Server OPC Certified


S7 Ethernet ConnectivityProtocols Supported:

  • Siemens TCP/IP Ethernet (S7 Messaging on Industrial Ethernet - ISO 8073 Class 0)

Devices Supported - Click Here

Physical Networks Supported:

  • TCP/IP Ethernet

Maximum Number of Channels Supported:

Click to Access AB Ethernet Help File

Standard Features:

  • Direct Ethernet connections to S7 CPUs with Ethernet (Modular or Built-In)
  • Memory Types Supported: I, E, Q, A, M, F, T, C, Z, DB Access and Time-of-Day (TOD)
  • Bit-level access support
  • All data types supported, including String (See Address Descriptions in Siemens S7 Ethernet Help File)
  • Uses standard Ethernet Network Interface Card for TCP/IP Communications
  • Standard TOP Server Built-In Features


Advanced Driver Features:

  • DNS Host Name Resolution
  • Automatic Tag Generation from Step7 project (S7-400 and S7-300 only)
  • Device-level Byte Order Addressing Options (Big Endian / Little Endian)
  • Address-level Byte and/or Word Switching Modifiers (Applicom Syntax Only)
  • Access on PC/PG/OP access ports
  • Optimized communications allow each device to have a separate thread/channel of communications (up to 256 devices)
  • Specify a Network Interface Card at the channel level (Details)
  • Two ways to support redundancy switching for S7-300 and S7-400 Redundant Controllers (i.e. S7400H, S7400F, S7-400FH, etc.)



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