Spirax Sarco RIM20, Инструкция по установке и обслуживанию, Страница: 57 / 132

IM-P198-05 MI Issue 2 57
Example for setting an alarm
The following shows how to set Relay Alarm 1 to activate if the mass flowrate is greater than
100 lb/hr. You can check the alarm configuration in the Run mode by pressing the keys until
Alarm [1] appears. The lower line displays the mass flowrate at which the alarm activates.
Note: all outputs are disabled while using the Setup Menus.
First, set the desired units of measurement:
1.
Use
ïð
keys to move to the Units Menu.
2. Press
ò
key until Mass Flow Unit appears. Press ENTER.
3.
Press
ò
key until lb appears in the numerator. Press
ð
key to move the underline cursor
to the denominator. Press the
ò
key until hr appears in the denominator. Press ENTER
to select.
4.
Press
ñ
key until Units Menu appears.
Second, set the alarm:
1.
Use
ïð
keys to move to the Alarms Menu.
2.
Press the
ò
key until Relay Alarm 1 appears.
3. Press
ð
key to access Measure selections. Press ENTER and use the key to select Mass.
Press ENTER.
4.
Press
ð
key to select the alarm Mode. Press ENTER and use key to select HIGH Alarm.
Press ENTER.
5.
Press
ð
key to select the value that must be exceeded before the alarm activates. Press
ENTER and use
ñòïð
keys to set 100 or 100.0. Press ENTER.
6. Press the EXIT key to save your changes. (Alarm changes are always permanently saved.)
(Up to three relay alarm outputs are available depending on meter configuration.)