When a ser ia l pol l is conducted, the V i deoBr i dge returns a status byte
to the control ler. This byte will have one of three values :
( 0 )
--
a l l bits are zero : the V i deoBr i dge i s not busy, and
S R Q
has
not been asserted.
( 1 )
--
the f i rst bit is one, the rest are zero : the V i deoBr i dge i s
busy,
SRQ
has not been asserted.
( 6 4 )
--
the seventh bit i s one, the rest are zero : the
S R Q
has been
asserted.
An e rror message w i l l be transm itted.
I f the control ler does not conduct a ser i al pol l between commanding
measurements, the prev ious measurement w i l l be w r itten over.
A . 2 . 1 1
Ca libra t i on
The
2 1 5 0 / 2 1 6 0
needs no ad justment, other than normal cal i brat i on, when
the GPI B o r the
R S - 2 3 2C
option is i nstal led. Neither c i r cu i t assembly
contai ns ser v i ce ad justments.
TO A V O I D PERSONAL I NJURY FROM ELECTRIC S HOCK DO NOT REMOVE
I N S T R U M EN T COVERS OR P E RFORM A N Y M A I NTENA N C E OT H ER THAN
DESCRI BED
I N
THI S
I NSTRUCTION
S HEET .
INSTALLATION
AND
MAINTENANCE PROCEDURES DESCRIBED IN THIS I NSTRUCT ION SHEET
ARE TO BE PERFORMED BY QUAL I F I ED SERV I CE PERSONNEL ONL Y .
elsli
A
-
3 9
2 1 5 0 / 2 1 6 0
9 / 8 5
Содержание VideoBridge 2150
Страница 24: ...BLANK 1 6 e l s l i 2 1 50 2 1 60 5 8 5...
Страница 222: ...5 3 1 Mo the rboa rd Ca ble Assembly piN 4 9 3 0 2 METRI C A l l D ims in mm 1 14 3 1 _ 215 4 E F TO MOTHE OA Rt 5 4 56...
Страница 230: ...R54 R 1 9 R23 6 TP8 o O NC N N N N a a a a a F i gure 5 5...
Страница 252: ...A t S E C T I ON A A 4 5 0 0 m m 5 rY1 m A...
Страница 307: ...Figure 8 1 General Handler Interface Circuit Assembly P N 47895 B 2 e s i 2150 2160 5 85...
Страница 318: ...DIOII DI Z G O O L 2 _ j_ _ D I04 4 _ _ _ DI05 __ t _ _ DI06t2 DI01 __ _ r _ OI08 r U4 n l r L t TM 9914 Fig...
Страница 330: ...F i gure 8...