Spirax Sarco RIM20, Инструкция по установке и обслуживанию, Страница: 53 / 132

IM-P198-05 MI Issue 2 53
Example for setting an output
The following shows how to set Output 1 to measure mass flow with 4 mA = 0 lb/hr and
20 mA = 100 lb/hr with a time constant of 5 seconds. (All outputs are disabled while using
the Setup Menus.)
First, set the desired units of measurement:
1.
Use
ñòïð
keys to move to the Units Menu.
2. Press key until Mass Flow Unit appears. Press ENTER.
3. Press key until lb appears in the numerator. Press
ð
key to move the underline cursor
to the denominator. Press the key until hr appears in the denominator. Press ENTER to
select.
4. Press key until Units Menu appears.
Second, set the Analogue output:
1.
Use
ñòïð
keys to move to the Output Menu.
2. Press the key until 4-20 mA Output 1 appears.
3. Press
ð
key to access Measure selections. Press ENTER and press the key to select
Mass. Press ENTER.
4. Press
ð
key to set the 4 mA point in the units you have selected for mass of lb/hr. Press
ENTER and use
ñòïð
keys to set 0 or 0.0. Press ENTER.
5.
Press
ð
key to set the 20 mA point. Press ENTER and use
ñòïð
keys to set 100 or
100.0. Press ENTER.
6. Press
ð
key to select the Time Constant. Press ENTER and use
ñòïð
keys to select
5. Press ENTER.
7. Press the EXIT key and answer YES to permanently save your changes.