APC AXFA11G User Manual
Page 55
IM 01E20C01-01E
6-27
6. PARAMETER DESCRIPTION
Output Example 3
The high alarm (H) is set to 80% or more of the flow
rate span; the high-high alarm (HH), to 90% or more.
Settings are:
G10: Low Alarm
= -110%
G11: High Alarm
= 80%
G12: Low Low Alarm
= -110%
G13: High High Alarm
= 90%
0
Time (t)
H
HH
SO1
SO2
HH
AL
Instantaneous flow rate
50
80
90
100
[%]
F0612.EPS
High High Alarm
High Alarm
L Alarm set to
-110% indicates
that the alarm is
disabled.
LL Alarm set to -110% indicates
that the alarm is disabled.
Select “H/L Alarm” for F10: SO1 Function
Select “HH/LL Alarm” for F11: SO2 Function
Select “Closed (On) Act” for F14: SO1/2 Active Mode
Select “Open (Off) Act” for G20: Alm Out Act Mode
Select “Yes” for G33: Alm-HH/LL
NOTE
• Although the same items can be selected using
the SO1 output terminal (selected for F10) and
the SO2 output terminal (selected for F11),
output is identical for both.
• Setting values of -110% and 110% are used to
disable corresponding functions; and accord-
ingly, status output can be customized for
specific purposes.
[G14: 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: Low Low Alarm
= 20%
G13: High High Alarm
= 90%
G14: H/L Alarm Hys
= 5%
0
Time (t)
H
L
HH
SO1
SO2
LL
75%
75%
35%
35%
85%
85%
25%
85%
25%
Instantaneous flow rate
20
30
50
80
90
100
[%]
F0613.EPS
HH
AL
LL
High High Alarm
High Alarm
Low Alarm
Low Low Alarm
25%
Select “H/L Alarm” for F10: SO1 Function
Select “HH/LL Alarm” for F11: SO2 Function
Select “Closed (On) Act” for F14: SO1/2 Active Mode
Select “Open (Off) Act” for G20: Alm Out Act Mode
Select “Yes” for G33: Alm-HH/LL
[G20: Alm Out Act Mode]
Setting of the active
mode for the alarm output.
This parameter selects the active mode for the alarm
output terminal.
Closed (On) Act
Open (Off) Act
When an alarm occurs, alarm output
becomes "Closed (On)."
T0631.EPS
Setting
Function
When an alarm occurs, alarm output
becomes "Open (Off)."