WAGO WAGO-I/O-SYSTEM 750 Series Manual

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WAGO WAGO-I/O-SYSTEM 750 Series Manual Manual pdf 38 page image

38 ï 750-655 [AS-Interface master module]Data channel for parameter exchangeWAGO-I/O-SYSTEM 750I/O ModulesParameter Value range MeaningFALSE Access was allowed to the write or read bufferrespectively of the module.BUF_OVFTRUE Access was made to parameters outside the write or readbuffer.FALSE The previously transmitted parameter or all transmittedparameters was/were valid.PRM_ERRTRUE At least one parameter was faulty on transmission. Theflag can be set either after each parameter received or oncompletion of the parameter transmission.RES FALSE Reserved for expansion2.1.1.9.3 Parameter setsParameter sets, which are indexed via parameter addresses (A7 ... A0), aredefined for using the parameter channel. Differentiation is made betweengeneral (system parameter) and module-specific parameter addresses.2.1.1.9.3.1 General parameter data (system parameter range)The following addresses are defined for access to bus module systemparameters:AddressMode Parameter Description250 ...253R/W RESERVED Reserved for expansion254 R/W TIMEOUT This parameter contains the maximumpermissible time in milliseconds that mayelapse when transferring the parameterset. When TIMEOUT = 0, the monitoringtime is infinite.R NO_OF_PRMS Number of bus module parameters inwords255W SET_DEFAULT_PRMS The bus module is reset to the factorysettings.