Sierra INNOVA-MASS 241-VTP - Manual (Page 44)

Series 24-HP Instruction Manual Chapter 3 Operation
IM-24-HP 3-5
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 ÕÖ keys to move to the Units Menu (see page 3-9).
2. Press Ø key until Mass Flow Unit appears. Press
ENTER .
3. Press Ø key until lb appears in the numerator. Press Ö key to move the underline cursor to the
denominator. Press the Ø key until hr appears in the denominator. Press ENTER to select.
4. Press × key until Units Menu appears.
Second, set the analog output:
1. Use ÕÖ keys to move to the Output Menu.
2. Press the Ø key until 4-20 mA Output 1 appears.
3. Press Ö key to access Measure selections. Press
ENTER and press the Ø key to select Mass. Press ENTER .
4. Press Ö key to set the 4 mA point in the units you have selected for mass of lb/hr. Press ENTER and
use ЧШХЦ keys to set 0 or 0.0. Press ENTER .
5. Press Ö key to set the 20 mA point. Press ENTER and use ЧШХЦ keys to set 100 or 100.0. Press ENTER .
6. Press Ö key to select the Time Constant. Press ENTER and use ЧШХЦ keys to select 5. Press ENTER .
7. Press the EXIT key and answer YES to permanently save your changes.