Download 805B_Manual - Lake Shore Cryotronics, Inc.

S e c t i o n
II
Model
o t h e r end o f t h i s cable i s unterminated
and r e a d y f o r t h e user t o add h i s system
c o n n e c t o r .
6.3.5
8271-12 Sensor/Heater/Output
C a b l e
The 8 2 7 1 - 1 2 S e n s o r / H e a t e r / O u t p u t Cable
i s t h e s a m e a s t h e8 2 7 1 - 1 1 S e n s o r / H e a t e r
Cable with theadditionof thebuffered
output o f sensor v o l t a g e andconnections
f o r t h e o p t i o n a l a n a l o g o u t p u t . Cons t r u c t i o n i s from nine i n d i v i d u a l l y shielded t w i s t e d p a i r s .
6 . 4
6 . 4 . 1
OUTPUT
W60
POWER
Output
OPTION
S t a g e
T h e W60 o u t p u t s t a g e f o r t h e M o d e l 8 0 5
Temperature Controller replaces the stand a r d 25 w a t t o u t p u t s t a g e w i t h a n o u t p u t
w h i c h i s r a t e d a t g r e a t e r t h a n 1.5
a m p e r e s a n d u p t o 4 0 v o l t s r e s u l t i n g i na
maximum power o u t p u t o f a p p r o x i m a t e l y
6 0 w a t t s i n t o a 25 ohm l o a d .
6 . 5
6.5.1
OPTION
INTERFACE
CARDS
M o d e l 8 0 5 3 RS-232C I n t e r f a c e
The 8 0 5 3 RS-232C I n t e r f a c e i s designed
t o b e i n s t a l l e d i n an 805 and p r o v i d e an
i n t e r f a c e w i t h a n e x t e r n a l RS-232C
i n s t r u m e n t s u c h a s a c o m p u t e r , m o d e mo r
C R T . The i n t e r f a c e o p e r a t e s i n a h a l f
d u p l e x mode ( i t c a n t r a n s m i t a n d r e c e i v e
i n f o r m a t i o n i n one d i r e c t i o n a t a t i m e )
and d a t a t r a n s m i s s i o n i s asynchronous
( e a c h c h a r a c t e r i s b r a c k e t e d b y s t a r ta n d
s t o p b i t s t h a t s e p a r a t e and synchronize
t h e transmissionand receipt o f data).
The b a u d r a t e i s s w i t c h s e l e c t a b l e a t 300
o r 1200 baud and t h e i n t e r f a c e maintains
E I A v o l t a g e l e v e l s f o r data transmission.
6.5.2
Model 8054 IEEE-488 I n t e r f a c e
The I E E E - 4 8 8 i n t e r f a c e a n d i t s c o m m a n d s
a r e d e s c r i b e d i n S e c t i o n I V o f t h i s
manual.
6 - 2
6.5.3
805
M o d e l 8 0 5 5 A n a l o g O u t p u tO p t i o n
The 8055 A n a l o g Output i s designed t o
b e i n s t a l l e d i na M o d e l 8 0 5 a n d p r o v i d e
a n a n a l o g v o l t a g e o u t p u t o f d i s p l a ys e n s o r temperature i n k e l v i n f o r the purpose o f recording, either with a s t r i p
c h a r t r e c o r d e r o r o t h e r s i m i l a r device.
T h e o u t p u t r e s o l u t i o n i s 0.1mV o u t o f 1
v o l t .