60 Program features Programmable relay outputsThere is one relay output as standard. With the BREL-01 (relay output extensionmodule) option it is possible to get four more relay outputs. The signal indicated bythe output can be selected by parameters.ParametersGroups 15 I/O extension module, 10 Standard DI, RO. Fieldbus controlThe drive can be connected to several different automation systems through itsfieldbus interfaces. See chapters Fieldbus control through the embedded fieldbusinterface (EFB) and Fieldbus control through a fieldbus adapter.ParametersGroups 50 Fieldbus adapter (FBA), 51 FBA A settings, 52 FBA A data in, 53 FBA Adata out and 58 Embedded fieldbus.