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User Manual & Datasheet V 1.2
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 25: Uncover Delay Switch Position
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 26: Setting Uncover Delay
•
Uncover delay is entered, but not saved. To save and
test the uncover delay, set the UNCOVER switch back
to OPEN position as shown in figure 27.
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 27: Saving Uncover Delay
•
To test, dip Casper into the application material until
the switching point is achieved.
12.2
Two Point / Pump Control Logic
•
Unscrew the cover and ensure that all DIP switches
are in OPEN position as shown in Figure 18. Make
sure that STATUS LED is not blinking for error.
•
For setting uncover delay for RELAY 1, follow the in-
struction given in section Single Point Switching.
•
For setting uncover delay for RELAY 2, set the UN-
COVER and HI CALIBRATE switch to CLOSE (Oppo-
site of OPEN for DIP switch) position as shown in Fig-
ure 28.
•
Press and hold ENTER key as shown in Figure 29.
The STATUS LED for RELAY 1 starts blinking. Blink
the LED according to value of uncover delay.
•
Uncover Delay is entered, but not saved. To save and
test the uncover delay, set the UNCOVER switch back
to OPEN position as shown in figure 30.
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 28: Uncover Delay Switch Position for Relay 2
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 29: Setting Uncover Delay for Relay 2
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 30: Saving Uncover Delay for Relay 2
•
To test, dip Casper into the application material until
the switching point is achieved.
13
Sensitivity
Sensitivity of the level sensor may have to be adjusted
depending on the dielectric constant of the application me-
dia. Casper has a LED bar display which helps in visualizing
the desired sensitivity level. The device ships with a default
sensitivity level of 3.
Note:
Set the sensitivity value between 1-5.
Traverse the following steps to set the sensitivity:
•
Set the UNCOVER and CALIBRATE switch to CLOSE
position.
ENTER
CASPER
ON
3
4
5
6
1
2
COVER
UNCOVER
CALIBRATE
HI CALIBRATE
FS1
FS2
RELAY 1
RELAY 2
SENS
ITIVITY
1
2
3
4
5
6
CLOSE
Lo
Figure 31: Sensitivity Bar Display
Sapcon Instruments Pvt.Ltd.
®
14