Yokogawa ADMAG AXR User Manual

Page 76

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<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(see IM)

Fixed at 3.2 mA or less

21.6 mA(see 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(see IM)

3.2 mA(see IM)

NOTE

The direction of current output can be modified

when a system alarm occurs. Refer to Section

10.3.1, “Setting of Burnout Switch.”

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