Orbit Merret OM 36DC Manual page 8

INSTRUCTIONS FOR USE - OM 36
CHANGE OF PROJECTION RANGE
Voltage Input < 60 V
- R has value of 1MOhm
8
Voltage Input > 60 V
- R has value of 1,22 MOhm, 2x 511 kOhm in series
8
Current Input
Zero offset
R may be replaced by series/parallel combination of two resistances R
8
R may be replaced by series/parallel combination of two resistances R
10
ZERO OFFSET - SOLDERING JUMPERS
Jumper
J11 - link
J12 - link, to connector
J12 - link, to display
8
=
R
10
10 000 x (U
=
R
10
10 000 x (U
R
R
5
=
R
3
a R
8 9
a R
10 11
Offset
none
negative
positive
x (D - D )
R
8 max min
- U ) - (D
max min max
x (D - D )
R
1 max min
- U ) - (D
max min max
- D
D
max min
=
7
10 000 x (I
max
P
od
= 2 000 x
- P
P
do
24 600 000
- 2 000 - R
- P
P
do od
R
=
R
8
R
R
10
=
R
10
R
10
- D )
min
- D )
min
- I )
min
od
5
x R
8 9
+ R
8 9
x R
11
+ R
11