C o n t r o l b y r e s i s t a n c e (I)
It is possible to output voltage w h i c h is proportional. to
r e s i s t a n c e .
1) T u r n off p o w e r .
2) R e m o v e t h e short bar © - © .
3 ) C o n n e c t variable resistor ( 1 0 k o h m s ) a c r o s s 0 a n d @
a s s h o w n F i g . 7 .
N o t e :
R
s
m u s t be 1 0 k o h m s . U s e a t w o - c o r e shield cable and c o n -
n e c t t h e shield line to © . For R
x
s e l e c t one w h i c h will be af-
f e c t e d little by t e m p e r a t u r e c h a n g e s , aging e f f e c t s , and
n o i s e s . .
Two-core shield
F i g . 7
R, = 10kn
'. * . Vmax _
O u p u t voltage V
0
= — —
xR
t
1 0
V
0
[VJ: Output voltage
Vm« [ V ] : Maximum rated output voltage
Ri
[kQl: External resistance
C o n t r o l b y r e s i s t a n c e ID
It is possible to output voltage w h i c h is inversely proportional
to r e s i s t a n c e . O v e r s h o o t d o e s not o c c u r w h e n s w i t c h i n g
r e s i s t a n c e .
1) T u r n off p o w e r .
2) R e m o v e t h e short bar © - © and c o n n e c t variable resistor
R
2
a c r o s s © a n d ® a s s h o w n F i g . 8 . U s e a t w o - c o r e
shield c a b l e a n d c o n n e c t t h e shield line to © .
F i g . 8
Two-core shield
Output voltage V
0
=
— — —
x
Vret [V]
Rs + n
2
Vr»f: Reference voltage (approx.
0 - 1 0
V I , Set with the
voltage control of the panel.
R
2
:
O s R
2
^ »
Rs,
Rt: Constants depending on model.
PD-
8 - 2 0 / 2 0 D
8 - 3 0 / 3 0 D
1 8 - 2 0 / 2 0 D
1 8 - 3 0 / 3 0 D 3 5 - 2 0 / 2 0 D
Rs (kQ)
10
kO
10
kfi
10 kQ
10
kO
10 kQ
Rf
(kQl
8
m
8
kQ
18
m
18 kQ
3 6 kQ
IS
I R 2
