Worksheet sample, Calculated set up – SOR Multi Point RF Level Switch User Manual
Page 13
Form 677 (05.13) ©SOR Inc.
13/36
Calculated Set up
Vessel Level A
Vessel Level B
Line 1 - Line 2
-
=
Capacitance @ Level A
pf
Capacitance @ Level B
pf
Line 4 - Line 5
-
=
pf
Line 6 ÷ Line 3
÷
=
pf
Maximum
Level
Line 8 - Line 1
-
=
Line 9 x Line 7
x
=
pf
Line 10 + Line 7
+
=
pf
Line 8 x Line 7
x
=
pf
Line 11 - Line 12
-
=
pf
For 661-664, 666, 668 enter set point 1
For 665, 667 enter upper limit of adjustable differential
(Line 14 x Line 7) + Line 1
(
x
) +
=
pf
For 662-664 enter set point 2
For 666, 668 enter upper limit of adjustable differential
For 665, 667 enter lower limit of adjustable differential
(Line 16 x Line 7) + Line 13
(
x
) +
=
pf
For 663, 664 enter set point 3
For 666, 668 enter lower limit of adjustable differential
For 667 enter set point 4
(Line 18 x Line 7) + Line 13
(
x
) +
= 2500
pf
For 664, 668 enter set point 4
21
(Line 20 x 7) + Line 13
(
x
) +
=
pf
Vessel Level A . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 ft.
Vessel Level B . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 ft.
Line 1 - Line 2 . . . . . . . . . . . . . . . . . . . . . . . .
10 - 8 = 2 ft.
Capacitance @ Level A . . . . . . . . . . . . . . . . . . . . . .
2200 pf
Capacitance @ Level B . . . . . . . . . . . . . . . . . . . . . .
1900 pf
Line 4 - Line 5 . . . . . . . . . . . . . . . . . . .
2200 - 1900 = 300 pf
Line 6 ÷ Line 3. . . . . . . . . . . . . . . . . . . .
300 ÷ 2 = 150 pf/ft.
Maximum Level . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30 ft.
Line 8 - Line 1 . . . . . . . . . . . . . . . . . . . . . . .
30 - 10 = 20 ft.
Line 9 x Line 7 . . . . . . . . . . . . . . . . . . . .
20 - 150 = 3000 pf
Line 10 + Line 7
. . . . . . . . . . . . . . . . . . .
20 x 150 = 3000 pf
Line 8 x Line 7
. . . . . . . . . . . . . . . . . . . .
30 x 150 = 4500 pf
Line 11 - Line 12
. . . . . . . . . . . . . . . . .
5200 - 4500 = 700 pf
For 661-664, 666, 668 enter set point 1
. . . . . . . . . . . . . .
25 ft.
For 665, 667 enter upper limit of adjustable differential
(Line 14 x Line 7) + Line 13
. . . . . . . (25 x 150) + 700 = 4450 pf
For 662-664 enter set point 2
. . . . . . . . . . . . . . . . . . . .
20 ft.
For 666, 668 enter upper limit of adjustable differential
For 665, 667 enter lower limit of adjustable differential
(Line 16 x Line 7) + Line 13
. . . . . . . (20 x 150) + 700 = 3700 pf
For 663, 664 enter set point 3
. . . . . . . . . . . . . . . . . . . .
12 ft.
For 666, 668 enter lower limit of adjustable differential
For 667 enter set point 4
(Line 18 x Line 7) + Line 13
. . . . . . . (12 x 150) + 700 = 2500 pf
For 664, 668 enter set point 4
. . . . . . . . . . . . . . . . . . . .
7 ft.
21
(Line 20 x 7) + Line 13
. . . . . . . . . . . (7 x 150) + 700 = 1750 pf
Worksheet
Sample