Siemens SITRANS FC430, Руководство по эксплуатации

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HMI menu ID Parameter Description Default value
[unit]
Value range Access
level
2.4.3.7.7 Pulse width units Set the time units for configuring
pulse width
s
● s
● ms
● µs
User
2.4.3.7.8 Pulse width Define the pulse duration, Long
duration pulses can overlap at
high flow rate
0.10 s
● 0.00 to 4.00 s User
2.4.3.7.9 Polarity Select the polarity of the output Active high level ● Active high
level
● Active low
level
User
2.4.3.7.10 Fail-safe behavior Select current output reaction in
case of a fault.
Last reliable val‐
ue
● Last reliable
value
● Hold
● Current value
● Fail-safe
value
User
2.4.3.7.11 Fail-safe value Define fail-safe current output
value if 'Fail-safe behaviour' pa‐
rameter is set to ’Fail-safe value’.
0
● 0 to 12500
User
2.4.3.7.12 Fail-safe minimum time Minimum time the output stays
in fail-safe mode. Short events
will be prolonged.
0 s
● 0 to 100 s
User
2.4.3.8 Digital output
2.4.3.8.1 Status mode Select the functionality for digital
output. Only applicable when
'Operation Mode' is set to 'Sta‐
tus'.
Alarm class
● Alarm class
● Individual
alarms
● Primary valve
dosing control
● Secondary
valve dosing
control
User
Default settings
E.5 Inputs and outputs
FC430 (From firmware 4.0)
Operating Instructions, 06/2017, A5E39789392-AA
371