GE RX3i PROFINET User Manual

Also see for RX3i PROFINET: User manual Quick start guide

Contents

Chapter 1. Introduction8 PACSystems* RX3i PROFINET IO-Scanner User Manual GFK-2737F1.4.2 Operations of the PROFINET ScannerThe RX3i PROFINET Scanner (PNS) is the head-end unit responsible for monitoring and controlling I/Omodules installed in its RX3i I/O rack. All PROFINET communications are passed between the PROFINET I/OController and the PNS. The PNS is one type of IO-Device the PROFINET I/O Controller expects toencounter. Other third-party IO-Devices may also be present on the PROFINET network.A PNS will normally be present on a PROFINET network controlled by an RX3i PROFINET Controller (PNC).However, it is possible to use a PNS in conjunction with any qualified PROFINET I/O Controller.The RX3i PNS performs the following operations: Consumes PROFINET IO-Device configuration from the PROFINET IO-Controller over the PROFINETnetwork and applies it to its modules. Scans input data from each module it manages and produces that data to the PROFINETIO-Controller. Consumes the output data that it receives from the PROFINET IO-Controller and applies it to eachmodule it manages.GE Automation and Control offers the following types of PROFINET Scanners: IC695PNS001: the RX3i PROFINET Scanner. It may control a sub-set of RX3i I/O modules located inthe same RX3i I/O rack. This product is discussed in detail in this manual. IC695CEP001: a PROFINET Scanner which may control a sub-set of RX3i I/O modules in a remoteI/O drop. For product details, refer to the PACSystems RX3i CEP PROFINET Scanner User Manual,GFK-2883.