Siemens FC300, Руководство по эксплуатации, Страница: 294 / 518

HMI menu ID Parameter Description Default value
[unit]
Value range Access
level
2.4.2.5.3 Loop current scale Select current output scaling ac‐
cording to desired measurement
range and fail-safe mode.
● 4 to 20 mA
NAMUR
● 4 to 20 mA
NAMUR
● 4 to 20 mA US
● 4 to 20 mA
(fault = 0 mA)
● 4 to 20 mA
● 0 to 20 mA
User
2.4.2.5.4 Upper range value Assign process value to the
nominal upper range value
1) 1) User
2.4.2.5.5 Lower range value Assign process value to the
nominal lower range value
1) 1) User
2.4.2.5.6 Damping value Set filter time constant. Defines
the damping of the current out‐
put signal. 0.0 means filter is off
0 s
● 0 to 100 s
User
2.4.2.5.7 Fail-safe behavior Select current output reaction in
case of a fault.
Lower fault
current
● Lower fault
current
● Upper fault
current
● Last valid
value
● Current value
● Fail safe value
User
2.4.2.5.8 Fail-safe value Define fail-safe current output
value if 'Fail-safe behaviour' pa‐
rameter is set to ’Fail-safe value’.
3.5 mA
● 0 to 25 mA
User
2.4.2.5.9 Fail-safe minimum dura‐
tion
Minimum time the output stays
in fail-safe mode. Short events
will be prolonged.
0 s
● 0 to 100 s
user
2.4.2.6 Frequency output
2.4.2.6.1 Process value Select process value for current
output.
Mass flow
● Mass flow
● Volume flow
● Standard
volume flow
● Density
● Reference
density
● Medium
temperature
● Fraction A
● Fraction B
● Fraction A %
● Fraction B %
User
Default settings
B.5 Inputs and outputs
MASS 2100 & FC300 (FCT030)
294
Operating Instructions, 06/2017, A5E39789040-AA