3 11 Deviation Band Alarm
3 11 Deviation Band Alarm
Examples:
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ON
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ON
OFF
OFF
OFF
Figure 3.13
Normal Deviation
Band Alarm
Figure 3.13
Normal Deviation
Band Alarm
Figure 3.14
Latching Deviation
Band Alarm
Figure 3.14
Latching Deviation
Band Alarm
Figure 3.15
Holding Deviation
Band Alarm
Figure 3.15
Holding Deviation
Band Alarm
A1FN = DB.HI, A1MD = NORM, SP1 = 100, A1DV = 5
A1FN = DB.HI, A1MD = NORM, SP1 = 100, A1DV = 5
A1FN = DB.LO, A1MD = LTCH, SP1 = 100, A1DV = 5
A1FN = DB.LO, A1MD = LTCH, SP1 = 100, A1DV = 5
A1FN = DB.HI, A1MD = HOLD, SP1 = 100, A1DV = 5
A1FN = DB.HI, A1MD = HOLD, SP1 = 100, A1DV = 5
Process proceeds
Process proceeds
Process proceeds
Process proceeds
Process proceeds
Process proceeds
Process proceeds
Process proceeds
ON
Figure 3.16
Latching /Holding
Deviation Band Alarm
Figure 3.16
Latching /Holding
Deviation Band Alarm
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A1FN = DB.HI, A1MD = LT.HO, SP1 = 100, A1DV = 5
A1FN = DB.HI, A1MD = LT.HO, SP1 = 100, A1DV = 5
2 Types of Deviation Band Alarms:
Deviation Band Alarm 1
Deviation Band Alarm 2 :
DB.HI, DB.LO
:
Setup: A1FN, A1MD
Adjust: SP1, A1DV
Trigger levels= SP1
A1DV
Setup : OUT2, A2FN, A2MD
Adjust : SP1, A2DV
Trigger levels = SP1
A2DV
A
A
2 Types of Deviation Band Alarms:
Deviation Band Alarm 1
Deviation Band Alarm 2 :
DB.HI, DB.LO
:
Setup: A1FN, A1MD
Adjust: SP1, A1DV
Trigger levels= SP1
A1DV
Setup : OUT2, A2FN, A2MD
Adjust : SP1, A2DV
Trigger levels = SP1
A2DV
A
A
UM25001D
51
Error Code
Error Code
A deviation band alarm presets two reference levels relative to set point. Two
types of deviation band alarm can be configured for alarm 1 and alarm 2. These
are deviation band high alarm ( A1FN or A2FN select DB.HI ) and deviation
band low alarm ( A1FN or A2FN select DB.LO ). If alarm 2 is required, then
select =AL2 for OUT2. Now A2FN can't be selected with NONE, otherwise
will appear. A1SP and A1HY are
if alarm 1 is selected with
deviation band alarm. Similarly, A2SP and A2HY are
if alarm 2 is
selected with deviation band alarm.
Trigger levels of deviation band alarm are moving with set point. For alarm 1,
trigger levels=SP1
A1DV. For alarm 2, trigger levels=SP1
A2DV.
One of 4 kinds of alarm modes can be selected for alarm 1 and alarm 2. These
are : Normal alarm, Latching alarm, Holding alarm and Latching/Holding alarm.
See
for descriptions of these alarm modes.
Er06
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hidden
Section 3-9
A
A
A deviation band alarm presets two reference levels relative to set point. Two
types of deviation band alarm can be configured for alarm 1 and alarm 2. These
are deviation band high alarm ( A1FN or A2FN select DB.HI ) and deviation
band low alarm ( A1FN or A2FN select DB.LO ). If alarm 2 is required, then
select =AL2 for OUT2. Now A2FN can't be selected with NONE, otherwise
will appear. A1SP and A1HY are
if alarm 1 is selected with
deviation band alarm. Similarly, A2SP and A2HY are
if alarm 2 is
selected with deviation band alarm.
Trigger levels of deviation band alarm are moving with set point. For alarm 1,
trigger levels=SP1
A1DV. For alarm 2, trigger levels=SP1
A2DV.
One of 4 kinds of alarm modes can be selected for alarm 1 and alarm 2. These
are : Normal alarm, Latching alarm, Holding alarm and Latching/Holding alarm.
See
for descriptions of these alarm modes.
Er06
hidden
hidden
Section 3-9
A
A
