54 Process Image WAGO-I/O-SYSTEM 750750-494 3-Phase Power Measurement ModuleManualVersion 1.2.0The status query was also set in the examples given here. In example 1, the statusquery is made for the I/O module. The status word (Byte 0) is at 0x48, an erroroccurred at the I/O module (ERROR, ERR_BK). Byte 2 is at 0x40, i.e., the rotaryfield is not correct, counter-clockwise.In example 2, the status query is made for phase L1. The status word (Byte 0) is at0x41, an error has occurred at phase L1 (ERROR, ERR_L1). Byte 2 is at 0x08,i.e., the voltage signal at phase L1 is outside the valid range for the I/O moduleand has been clipped. In addition, byte 1 is at 0x80. This means that the measuredvalues of the collection are not yet stable. The transient reaction period (build-up)must end, then the measured values are stable.5.4.1 Building-up the Measured ValuesBuild-up times must be taken into account when switching measured valuecollections in order to obtain stable measured values in the process image. Youcan check whether the measured values are stable by the "WARN" flag in thestatus word (Byte 1). The build-up times are given in the next section "ProcessImage" > "Collections of Measured Values".
