42 Process Image WAGO-I/O-SYSTEM 750750-494 3-Phase Power Measurement ModuleManualVersion 1.2.0Expanded control word 2Byte 4(Bit 7) (Bit 6) (Bit 5) (Bit 4) (Bit 3) (Bit 2) (Bit 1) (Bit 0)MET_ID_1MET_ID_1 ID for selection of the measured value from the collectionCOL_ID, which is delivered with process value 1 of theinput data.Byte 5(Bit 7) (Bit 6) (Bit 5) (Bit 4) (Bit 3) (Bit 2) (Bit 1) (Bit 0)MET_ID_2MET_ID_2 ID for selection of the measured value from the collectionCOL_ID, which is delivered with process value 2 of theinput data.Expanded control word 3Byte 6(Bit 7) (Bit 6) (Bit 5) (Bit 4) (Bit 3) (Bit 2) (Bit 1) (Bit 0)MET_ID_3MET_ID_3 ID for selection of the measured value from the collectionCOL_ID, which is delivered with process value 3 of theinput data.Byte 7(Bit 7) (Bit 6) (Bit 5) (Bit 4) (Bit 3) (Bit 2) (Bit 1) (Bit 0)MET_ID_4MET_ID_4 ID for selection of the measured value from the collectionCOL_ID, which is delivered with process value 4 of theinput data.5.2.2 Definition of Output Data WordsThe data words in the output data can be ignored.