Process Image; Input And Output Data; Table 15: Input And Output Data - WAGO SYSTEM 750 User Manual

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Process Image

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4 Process Image
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The 750-493 I/O module provides, on 3 logical channels, a maximum of 9 bytes
input and 9 bytes output process data to a fieldbus coupler/controller. The data to
be sent and received will be stored in up to 6 input and output bytes (D0 ... D5),
i.e. in 3 data words. This means 3 process data are sent.
3 control bytes (C0 ... C2) and 3 status bytes (S0 ... S2) are used for selecting
process data and for setting parameters.
Notice that the process data image depends on the used fieldbus coupler/
controller!
Mapping the process data into the process image is specific for the fieldbus
coupler/controller used. You will find both this information and the specific
configuration of the relevant control/status bytes in the manual of the
coupler/controller, section "Fieldbus Specific Configuration of Process Data"
which describes the process image.
4.1

Input and Output Data

Table 15: Input and Output Data

S0 Status byte 0
D0 Input data word 1 (LSB)
D1 Input data word 1 (MSB)
S1 Status byte 1
D2 Input data word 2 (LSB)
D3 Input data word 2 (MSB)
S2 Status byte 2
D4 Input data word 3 (LSB)
D5 Input data word 3 (MSB)
9 Bytes Input Data
WAGO-I/O-SYSTEM 750
750-493 3-Phase Power Measurement Module
9 Bytes Output Data
C0 Control byte 0
D0 Output data word 1 (LSB)
D1 Output data word 1 (MSB)
C1 Control byte 1
D2 Output data word 2 (LSB)
D3 Output data word 2 (MSB)
C2 Control byte 2
D4 Output data word 3 (LSB)
D5 Output data word 3 (MSB)
Manual
Version 1.2.0