Note
Increased reaction time
The reaction time of the sensor increases when the process noise is damped.
8.2.6
Inputs and outputs
The hardware functionality of input and output is fixed when ordering the product. The available
configuration is described in the following table:
Channel
HW configuration
(fixed when ordering)
SW configuration
available to the user
1
Current output (4-20 mA)
HART, Modbus, PROFIBUS
DP, PROFIBUS PA
2
Signal output
● Current (0/4-20 mA)
● Frequency or pulse
● Three-stage analog valve dosing control
● Discrete one or two-valve dosing control
● Operational and alarm status
3
Signal output
● Current (0/4-20 mA)
● Frequency or pulse
● Redundant frequency or pulse (together with channel 2)
● Three-stage analog valve dosing control
● Discrete one or two-valve dosing control
● Operational and alarm status
Relay output
● Discrete one or two-valve dosing control
● Operational and alarm status
Signal input
● Dosing control
● Totalizer reset
● Remote zero adjust
● Force or freeze output(s)
Parameter assignment
8.2 Functions
SITRANS FC330
134
Operating Instructions, 01/2019, A5E44030648-AB