<6. PARAMETER DESCRIPTION>
6-28
IM 01E30D01-01EN
Output Example 2
The high alarm (H) is set to 80% or more of the flow
rate span only without low alarm (L) setting; and the
H/L alarm hysteresis width is set to 0%.
Settings are:
G10: Low Alarm
= -105%
• A setting value of -105% indicates that the
alarm is disabled.
G11: High Alarm
= 80%
G12: H/L Alarm Hys
= 0%
0
Time (t)
Instantaneous flow rate
50
80
100
[%]
Select “H/L Alarm” for
F10: DO Function
Select “Closed (On) Act” for
F11: DO Active Mode
Select “Yes” for
G28: Alm-H/L
High Alarm
F0606.ai
DO
Open
Closed Open
[G12: H/L Alarm Hys]
Setting of upper/lower alarm
value hysteresis width
This parameter sets the hysteresis width for upper
and lower alarm value, using a % value of the
maximum span.
Output Example
The hysteresis width is set to 5%.
Settings are:
G10: Low Alarm
= 30%
G11: High Alarm
= 80%
G12: H/L Alarm Hys
= 5%
0
Time (t)
35%
Instantaneous flow rate
30
50
80
100
[%]
Select “H/L Alarm(O)” for
F10: DO Function
Select “Closed (On) Act” for
F11: DO Active Mode
Select “Yes” for
G28: Alm-H/L
High Alarm
Low Alarm
F0607.ai
75%
DO
Open
Closed
Open
Open
Closed
[G20: 4-20mA System Alarm]
Display of the
current output during a system alarm occurrence
This parameter displays the current output during a
system alarm occurrence.
Display
Function
3.2 mA(Read IM)
Fixed at 3.2 mA or less
21.6 mA(Read IM)
Fixed at 21.6 mA or more
The default parameter is set to the following table at
the factory.
Standard
Optional code C1
21.6 mA(Read IM)
3.2 mA(Read IM)
NOTE
The direction of current output can be modified
when a system alarm occurs. Read Subsection
11.3.1.