WAGO-I/O-SYSTEM 750
Process Image
43
750-494 3-Phase Power Measurement Module
Manual
Version 1.2.0
5.3
Input Data
The input data are transmitted to the fieldbus coupler/controller by the I/O
module. This data consists of 4 status words and 8 data words (process values
1 … 4).
5.3.1
Definition of Status Words
Status word
Byte 0
(Bit 7) (Bit 6)
(Bit 5)
(Bit 4)
(Bit 3)
(Bit 2)
(Bit 1)
(Bit 0)
COM ERROR
-
-
ERR_BK ERR_L3 ERR_L2 ERR_L1
COM
Communication mode:
0: Process data communication
1: Register communication
ERROR
General error:
0 = Ok
1 = General error (one or more ERR_* Bits
are set)
ERR_BK
Group error for I/O module
0 = Ok
1 = Error occurred
ERR_L3
Group error Phase L3
0 = Ok
1 = Error occurred
ERR_L2
Group error Phase L2
0 = Ok
1 = Error occurred
ERR_L1
Group error Phase L1
0 = Ok
1 = Error occurred
Byte 1
(Bit 7) (Bit 6)
(Bit 5)
(Bit 4)
(Bit 3)
(Bit 2)
(Bit 1)
(Bit 0)
WARN CAL OVER_1 OVER_2 OVER_3 OVER_4
STAT_SEL
WARN
Warning: Transient reaction measured value collection active
0 = Ok
1 = The selected collection measured values are not
yet stable; wait until the end of build-up time.
CAL
Display Calibration mode:
0 = No Calibration mode
1 = The I/O module is in the Calibration mode.
OVER_1
Range limiting for process value 1:
0 = Ok
1 = The measured value shown in process value 1
is situated outside the defined value range.