CTI EM2 Series, Installation And Operation Manual

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16
EM2
Test Mode
Enter Test mode by pressing the
ESC
and keys at the
same time, or access from the Top Menu if turned On.
Cal Mode
Calibration mode allows for sensor calibration
and maintenance without causing external alarm
conditions. To activate Calibration mode, press the
key and then use the / arrow keys to select On.
Then press the ENT key again to activate. This display
will switch back to the Home screen with a countdown
timer indicating how much time is left before
Calibration mode times out. See Time-Out section on
this page for details.
In Calibration mode, the relay will remain locked in
the non-alarm condition, and the analog output will
remain locked at 4 mA.
Relay Test
The Relay Test allows for testing of the relay output
function without gassing the sensor. To test the relay
output, press the key and then use the /
arrow keys to select ALARM or OFF. Once the relay
output has been verified to function as intended,
press the
ESC
key to end Relay Test.
Note: The Relay Test will automatically time-out after
the adjustable time-out counts down to 0.
Force Output
The Force Output tests the analog output signal
against the reading at the PLC or other analog input
device. Use the / arrow keys to select desired
output. The arrow keys can be held in to dramatically
increase the speed at which the number increments/
decrements. Force Output values range from 0-100%
of full-scale in 1% increments.
Note: The Force Output will automatically time-out
after the adjustable time-out counts down to 0.
Time-out
Select the length of time for the three test modes,
from 1 second to 60 minutes. Then press the ENT key
to select.
The arrow keys can be held in to dramatically
increase the speed at which the number increments/
decrements.
TEST
CAL MODE: OFF
RELAY TEST: OFF
FORCE OUTPUT: OFF
TIME-OUT: 60:00