Siemens FST020, Руководство по эксплуатации функций, Страница: 64 / 194

Setup
3.4 Inputs and outputs
FST020 Function manual
62
Function Manual, 09/2017, A5E42949526-AA
Setting Process value = Mass flow: 0.00 kg to +9999997952 kg
Process value = Volume flow: 0.00 m³ to +9999997952 m³
Default Process value = Mass flow: 0.00 kg
Process value = Volume flow: 0.00 m³
Related
Path Setup → Totalizers → Totalizer 1 → Alarm and warning limits → Hysteresis
3.4 Inputs and outputs
The available configuration of the hardware functionality of input and output is described in
the following table.
Table 3- 1 Hardware and software configuration of the input/output channels
Channel HW configuration
(fixed when ordering)
SW configuration
available to the user
1 Modbus Modbus
2 Signal output Outputs:
•
Current output (0/4-20 mA)
3 Relay output Status Output:
• Alarm class
•
Alarm item
• NAMUR status signals
4 Signal input/output Outputs:
•
Frequency ouput
• Pulse output
Current output
All four channels can be configured as current output.
Current output configuration
The following process values can be assigned to the current output:
● Volume flow
● Mass flow
● Sound velocity
● Flow velocity
● Density