Legend to pin assignment
GND: Ground for Modbus
SW: Isolated pulse switch
input/output
SDI: Digital signal (internal use)
D+: Modbus data +
-VB: Negative supply voltage
D-:
Modbus data -
+VB: Positive supply voltage
M:
M-Bus data
+l:
Positive 4 ... 20 mA signal
N/A: Not applicable
-I:
Negative 4 ... 20 mA signal
ATTENTION!
Do not screw the M12 plug using force. Otherwise, it
may damage the connecting pins.
7. Configuration
After the installation is completed, change the sensor settings of your
choice using the service App S4C-FS, local display (optional), or service
kit (optional).
Note
: You can also use these tools to view parameter values and error
messages.
7.1 Description of sensor settings
Settings provided on S430 come into the following categories.
7.1.1 Flow settings
Parameter
Description
Pipe diameter
Enter the pipe diameter in the unit of mm.
Gas type
Select the gas type.
To measure steam, select “steam” as the gas type.
Flow type
Make a selection from:
•
Flow: Total measured volumetric flow (air +
moisture) at standard conditions as configured
(for example, 20°C, 1000 hPa)
•
Dry Air Flow: Measured volumetric flow of air
only at standard conditions as configured (for
example, 20°C, 1000 hPa)
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