Name FunctionblockSPAaddressDescriptionUpdate Block SXSWI26 3 I 662 SPA parameter for update blockcommandUpdate Block SXSWI27 3 I 681 SPA parameter for update blockcommandUpdate Block SXSWI28 3 I 700 SPA parameter for update blockcommand18.4.4 Technical dataTable 739:LON communication protocolFunction ValueProtocol LONCommunication speed 1.25 Mbit/s18.5 SPA communication protocol18.5.1 FunctionalityIn this section the most common addresses for commands and events are available.For other addresses, refer to section "".It is assumed that the reader is familiar with the SPA communication protocol ingeneral.18.5.2 DesignUsing the rear SPA port for either local or remote communication with a PC requiresthe following equipment:• Optical fibres• Opto/electrical converter for the PC• PCThe software needed in the PC, either local or remote, is PCM600.SPA cannot be used with PCM600.When communicating between the local HMI and a PC, the only hardware required isa front-connection cable. Note! SPA cannot be used from LHMI front, except forusing "FSTACCS", that is, Field Service Tool Access.Section 18 1MRK502052-UEN BStation communication1020Technical manual
