Download Installation and Operating Instructions

Tank Condition
LED Output Status
Installation
3.3.4
Recalibration (Continued)
Power
GREEN
RED
For alarm this would typically be 2pF above the last uncovered
LED
LED
value (13pF in this case). For
Highrecovery
Level Failsafe this would be halfway
On
Off
Tank
Empty
between the uncovered and covered value (15.5pF in this case).
The setpoint is stored in memory to indicate the last status of
the switch.
So, when the unit regains power the microprocessor reads the
current value of the sensor and determines the status
based on
Power
GREEN
the stored values. It will only re-calibrate if the re-callREDbutton
is pressed.
LED
High Level Failsafe
Tank Full
2.6
On
LED
On
Output & Status LEDs
There are two status LEDs located on the sensing element/
circuit board side of the housing. One is used to indicate that
Power
the unit has power. The second LED is used to
indicate
the
GREEN
RED
status of the unit: Normal or Alarm. See Figure 2-5.
LED
Second Red LED is not usedTank
onEmpty
the two wire On
transmitter.
Low Level Failsafe
Tank Condition
LED Output Status
Low Level Failsafe
Tank Full
High Level Failsafe
Tank Empty
Power
GREEN
RED
LED
On
LED
Off
LED
On
Power
GREEN
RED
LED
On
LED
Off
LED Output Status
Tank Condition LED
Output Status
AutoVerify
= disabled
AutoVerify
Power
GREEN
Fault Condition
Detected
LED
RED
LED
Power
GREEN
RED
LED
On
LED
Off
Power
GREEN
RED
LED
On
LED
On
Flashes Alternately
High Level Failsafe
High
Level
Failsafe
Tank
Empty
Tank Empty
High Level Failsafe
Tank Full
Power
GREEN
RED
LED
On
LED
On
Figure 2-5
Output and LED Status
Low Level Failsafe
Tank Empty
High Level Failsafe
Tank Full
Power
GREEN
RED
LED
On
LED
On
13
Power
GREEN
RED