Alarm Source Selection - Michell Instruments Liquidew I.S. User Manual

OPERATION
3.9.3

Alarm Source Selection

The alarm source can be also selected in the Alarm Control Setting page.
From the Main Reading Page, press and hold the
enter the 'ALARM SETTING' page. Press the  key until SPC_1 is shown.
The user can select
°C), (dew point °F) or
DP_F
options like DISP and TOT_1 in the list are for factory settings only and should
not be changed.
a. Use the  and  keys to adjust the control code to
b. Press the
change to the Alarm Source Selection sub menu.
c. Change the selection by scrolling through these options using the  and
 keys.
d. When the required source is shown on the display, press the
to confi rm. The alarm will then switch to the selected source. The display
will then return to the Alarm Control Setting page.
e. Use the  and  keys to change the control code back to
depending on the alarm type (high/low).
f. Press the
Control Setting page for Alarm Relay 2.
g. Repeat the same operation to adjust the set-point for Alarm Relay 2,
Alarm Relay 3 and Alarm Relay 4 accordingly.
h. After Alarm Relay 4 is confi gured, press the
Main Reading Page.
CAUTION: The Alarm Set-Point value will NOT be converted automatically
based on the new alarm source selected. In some cases, the operation to
change the alarm source may trigger the alarm. For example: If the SP_1 is set
at 10ºC dew point - when the alarm source is changed from
(ºF dew point) under SPC_1, the value of SP_1 will be 10ºF.
DP_F
44
(moisture),
RESULT
TEMP_F
key to confi rm this control code. The display will then
Select
S O U R C E
key to confi rm. The display will then change to the Alarm
Select
Liquidew I.S. User's Manual
key then press the  key to
Select
(dew point °C),
DP_C
(temperature °F) as the alarm source. Other
010
0 1 0
S P C _ 1
D P _ C
0 1 0
S P C _ 1
key to return to the
Select
97092 Issue 5.1, October 2018
(temperature
TEMP_C
key
Select
or
000 100
(ºC dew point) to
DP_C