Michell Instruments Promet I.S., User Manual

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Promet I.S. User’s Manual
42 97221 Issue 5, March 2017
OPERATION
3.8 Alarm Set-Up
There are 4 built-in alarm relays. They can be con fi gured independently in the menu.
From the Main Reading Page, press and hold the
Select
key then press the

key to
enter the
ALARM
page.
0. 0 C
S P _ 1
3.8.1 Alarm Set-Point Adjustment
The fi rst page in
ALARM
is for adjusting the set-point of the Alarm Relay 1.
a. Use the

and

keys to adjust the set-point.
b. Press the
Select
key to con fi rm the input. The display will then change to
the alarm set-point for Alarm Relay 2.
c. Repeat the same operation to adjust the set-point for Alarm Relay 2, and
then Alarm Relay 3 and Alarm Relay 4 accordingly.
d. After Alarm Set Point SP_4 for Alarm Relay 4 has been set, press the
Select
key to con fi rm the input. The display will then change to the alarm
control setting page SPC_1 for Alarm Relay 1.
NOTE: The alarm set-point could be in different units depending on the source
selection for the speci fi c alarm (set in the SPC function). How to change the
source of the alarm will be explained in Section 3.8.3. It will not be affected
by the unit selection at the Main Reading Page or at the source selection of
the 4-20 mA output under
OUTPUT
– output settings sub-menu.
3.8.2 Alarm Type Selection
The alarm type can be selected in the
ALARM
page.
0 0 0
S P C _ 1
1 0 0
S P C _ 1
a. Use the

and

keys to adjust the control code.
• Code 000 : Alarm type high. Activates the alarm when the
measurement value is above the alarm set-point SP_1.
• Code 100 : Alarm type low. Activates the alarm when the
measurement value is below the alarm set-point SP_1.
b. Press the
Select
key to con fi rm the input. The display will then change to
the alarm control setting for Alarm Relay 2.
c. Repeat the same operation to adjust the type (high/low) for Alarm Relay
2, Alarm Relay 3 and Alarm Relay 4 accordingly.