Levelcom 100 - Page 57

Page 57
©2013 Technical Marine Service, Inc. LC-100 V2.97
Device must fail to a Deactivated condition. Device is to be activated at a low liquid level,
Deactivated at a high liquid level.
Wire Device to the normally open contacts of the relay. Set ON SETPOINT to the low level,
OFF SETPOINT to the high level.
Case 4:
Device must fail to an Activated condition. Device is to be activated at a low liquid level,
Deactivated at a high liquid level.
Wire Device to the normally closed contacts of the relay. Set OFF SETPOINT to the low
level, ON SETPOINT to the high level.
Important Note: In any of the above cases it is strongly advised that any failure case
generate a remote alarm if the device is operating in an unattended area. The second relay
could be configured as a SYS FAIL relay. Set up this way, the relay will be normally
energized, and de-energized in any system failure case. The output of this relay could be
used to operate a warning horn to alert operators to the failure condition.
1. Enter Program Mode by pressing the MENU key.
2. At SYSTEM press the UP or DOWN keys to scroll to OUTPUTS.
3. Press ENTER. The unit will display LIGHTS.
4. Press the DOWN key until unit displays RELAY 1.
5. Press ENTER. The unit will display ALARM.
6. Press the UP/DOWN keys to scroll to CONTROL.
7. Press MENU to activate the Control option. An asterisk (*) will appear to the right of the
display indicating the function has been selected. Press ENTER.
8. The unit will display “ON SETPOINT”.
9. Press ENTER. The unit will display 0.0.
10. Press the UP or DOWN keys to scroll to the ON SETPOINT you have defined on your
worksheet.
11. Press ENTER. SAVING will appear briefly on the display and the display will shift to OFF
SETPOINT.
12. Press ENTER. The unit will display 0.0.