Code Description0x80C1 The data from the previous write request on the module are not pro-cessed by the module, yet.0x80C2 System error on the bus coupler0x80Fx System error on the bus coupler0x85xy System error on the bus coupler0x8xyy General error informationÄ Chap. 4.2 ‘General and Specific Error Information RET_VAL’ page 6612.1.5 FC 303 - FM_GET_SPEED - Calculate rotational speed consistentWith the FC 303 FM_GET_SPEED, you can calculate the rotational speed of the inputsignals of both channels of the System SLIO frequency measurement module. By thisfunction internally SFC 14 - DPRD_DAT for consistent reading of user data is called.Here, the error messages of the function block are returned by ERROR.ParametersParameter Declaration Data type Memory block DescriptionLADDR_IN /HW_IDINPUT WORD /HW_IOI, Q, M, D, L n LADDR_IN– Logical base input address of thefrequency measurement module.– When used in CPUs from VIPA orin S7-300 CPUs from Siemens.n HW_ID– HW identifier to address the fre-quency measurement module.– When used in S7-1500 CPUsfrom Siemens.RESOLUTION_CH0 INPUT DINT I, Q, M, D, L Channel 0:Resolution of the sensorRESOLUTION_CH1 INPUT DINT I, Q, M, D, L Channel 1:Resolution of the sensorDONE OUTPUT BOOL I, Q, M, D, L Ready signal(TRUE = OK)ERROR OUTPUT WORD I, Q, M, D, L return value(0 = OK)SPEED_CH0 OUTPUT DINT I, Q, M, D, L Channel 0:Rotational speedSPEED_CH1 OUTPUT DINT I, Q, M, D, L Channel 1:Rotational speedDescriptionVIPA SPEED7 Device SpecificFrequency Measurement > FC 303 - FM_GET_SPEED - Calculate rotational speed consistentHB00 | OPL_SP7 | Operation list | en | 18-30 253
