Left-Alignable Extension System Makes It Easy to Customize PLCnext Control Devices to Changed Demands

December 15, 2020

Experience shows that demands change over the duration of a project or during the life cycle of an application.

Therefore, the open ecosystem PLCnext Technology by Phoenix Contact, in addition to being expandable via downloads of functions from the PLCnext Store, now also offers a plug-in solution: A left-alignable extension system adds functions not contained in the standard performance spectrum to PLCnext Control devices. Specifically, the AXC F 2152 controller can be expanded by one extension module, and the AXC F 3152 controller by two.

The AXC F XT ETH 1TX extension module provides the functionality of an Ethernet interface. Having its own MAC address means that networks can be implemented so that they are physically completely separate from each other. As an Interbus master, one of several advantages of the AXC F XT IB module is that it allows for the continued use of existing systems in Interbus-based applications. The AXC F XT PB module is a Profibus master, which exchanges data with up to 125 Profibus participants, both cyclically (DP V0) and acyclically (DP V1). The AXC F XT SPLC 1000 and AXC F XT SPLC 3000 modules function as safety-oriented controls up to SIL 3, which can be coupled with a maximum of 32 or 300 Profisafe devices, respectively.

As the left-alignable modules communicate with the controller via PCIe, the standardized interface can also be used by third-party devices. The configuration of the extension modules is consistent despite the different functions. When a module is plugged in, the Engineering section verifies whether the proper firmware version was used and issues an informative error message if necessary. The optional extension modules therefore make PLCnext Control a suitable solution for just about any application.

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