WAGO-I/O-SYSTEM 750
Process Image
41
750-494 3-Phase Power Measurement Module
Manual
Version 1.2.0
5.2
Output Data
The output data is transmitted to the I/O module by the fieldbus
coupler/controller. This data consists of 4 control words and 8 data words.
5.2.1
Definition of Control Words
Control word
Byte 0
(Bit 7)
(Bit 6)
(Bit 5)
(Bit 4)
(Bit 3)
(Bit 2)
(Bit 1)
(Bit 0)
COM
RES
-
-
-
-
-
-
COM
Communication mode:
0: Process data communication
1: Register communication
RES
reserved
Byte 1
(Bit 7)
(Bit 6)
(Bit 5)
(Bit 4)
(Bit 3)
(Bit 2)
(Bit 1)
(Bit 0)
-
-
-
-
-
-
STAT
STAT
Request for status query:
0 = Status Phase L1
1 = Status Phase L2
2 = Status Phase L3
3 = Status I/O module
Expanded control word 1
Byte 2
(Bit 7) (Bit 6)
(Bit 5)
(Bit 4)
(Bit 3)
(Bit 2)
(Bit 1)
(Bit 0)
-
-
-
-
-
-
-
-
Byte 3
(Bit 7) (Bit 6)
(Bit 5)
(Bit 4)
(Bit 3)
(Bit 2)
(Bit 1)
(Bit 0)
COL_ID
COL_ID
Selection of measured value collection:
000 … 006= reserved
007 = DC measured values
008 = reserved
009 = AC measured values
010 … 019= reserved
020 = Harmonics analysis L1
021 = Harmonics analysis L2
022 = Harmonics analysis L3
023 … 255= reserved