Pulse Input Test; Analog Out Test; Excitation Out Test - Omega FC-21 User Manual

FC-21 Flow Computer
Sub-menus
8.2.18

Pulse input test

Pulse input test
Submenu Group
2.5V
Pulse input test
START
10mV
Trigger level
STOP
100mV
40Hz
Pulse input test
START
3KHz
count speed
STOP
20kHz
Pulse input test
F1:
Pulse input test
8.2.19

Analog out test

Analog out test
Submenu Group
Analog out test
*0
Analog out test

Excitation out test

8.2.20
Excitation out test
Submenu Group
Excitation out test
*5v
Excitation out test
Display
ENTER
2.5V
ENTER
3kHz
ENTER
0 F2:
MENU
ENTER
4 10 15 20 mA
MENU
ENTER
12v 24v
MENU
Press Enter key to test the pulse input.
Use the Up/Down arrow keys to select the
appropriate trigger level.
Use the Up/Down arrow keys to select the
appropriate frequency range.
To check Pulse input accuracy: Use TB1-4 as
reference ground, input a frequency on TB1-2.
0
The display should show frequency being
input. Use a frequency counter to verify input.
Press Menu key to return to Pulse input test
top-level menu.
Press Enter to test the analog output.
To simulate analog output: Connect an
ammeter to (+) TB1-15, (-) TB1-16. Press the
key under the desired setting to move the
asterisk (*). The unit should output the
selected current.
Press Menu key to return to Analog out test
top-level menu.
Press Enter to test the excitation output.
To test the excitation output: Connect a
voltmeter to (+) TB1-1, (-) TB1-4. Press the
key under the desired setting to move the
asterisk (*). The unit should output the
selected voltage.
Press Menu key to return to Excitation out test
top-level menu.
52
Notes