Evoqua WALLACE & TIERNAN SFC fieldbus Manual page 55

SFC fieldbus module retrofit set
Profibus DP
Profinet IO
Modbus IN- OUT-
Name
Register byte byte
40001 0 Device Status
40002 2 Measurement value
40004 6 Measurement unit
40007 12 Yout/Ym
40009 16 Flow Wq
40011 20 Flow Wq unit
40014 26 Setpoint/Dosing factor
40016 30 Temperature
40018 34 Temperature unit
In the GSD file for the SFC the data points are all defined as
modules. The name of each module is the same as the name of
the data point. Data points that have "RW" access rights are split
up into several modules in the GSD file.
For example: Data point "Setpoint"
Module "Setpoint_RW"Read/write module
Module "Setpoint_R"Read module
Module "Setpoint:_W" Write module
These modules are used as required to configure the input and
output data. The number and order of the process data in cyclic
data transfer depends on the modules that have been configured.
Addressing: "Name" column in the reference list
When using Profinet, all of the data points in the reference list are
transmitted using cyclic data transfer. Data points that are "R" or
"RW" are process input data and data points that are "W" or "RW"
are process output data. Data point addressing is performed using
the byte address (position) within the input or output data packet.
The configuration of the input and output data has to be in
accordance with the table.
Addressing: Input data:
Output data:
Format
Length Access
2 INT16 R Byte 1:
Timeout counter [0-10] ; data traffic
monitoring
SFC < - > Fieldbus module
Value = 0: Communication OK
Value = 1-10: Communication error
Byte 2:
Bit0x01 - Value 1 = RS485 interrupted
Bit0x02 - Value 1 = valid data in input range
Bit0x03...Bit0x08
4 FLOAT R
6 ASCII R
4 FLOAT R
4 FLOAT R
6 ASCII R
4 FLOAT R
4 FLOAT R
2 UINT16 R 0x0001 - °C
0x0002 - °F
Description
"IN-byte" column
"OUT-byte" column
Description
communication
Value 0 = RS485 communication OK
Value 0 = no valid data in input range
not used
3.
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