Siemens 100-8D Technical Manual page 40

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GATE S
HIG H IN, H IG H O U T
r > -
HIG H IN, LOW OUT.
LOW IN, HI GH OUT
- D - J
A L L HIG HS IN, LOW OUT.
A N Y LOW IN, HI GH O U T
E X C L U S I V E OR GAT E
INPUTS
H IG H O U T P U T
I D E N T I C A L . LOW OU TP U T
1C ONE-SHOTS
O U TPU T PULSE D U R A T I O N
D E T E R M I N E D BY E X T E R ­
N A L R C
RESISTOR IN D IC A T E S
TIME A D J U S T A B L E O VE R
A RA NG E
I F A GOES LOW. B GOES
HIGH FOR X TI ME A N D C
GOES LOW FOR X TI ME.
JUMPERS
D A R K PADS
IN D IC A T E JUMPERS
N O R M A L L Y F A C T O R Y
I N S T A L L E D
L IG H T PADS
IN D IC A T E O P T IO N A L
JUMPER I N S T A L L A T I O N
F i g u r e 3 - 8 .
O P E R A T I O N A L
N O T
I D E N T I C A L ,
INPUTS
V A R I A B L E
PHOTO T R A N S IS T O R
L o g i c S y m b o l o g y (Sheet 1 of 2 '
3- i i
LIN E D R I V E R
HIGH IN, HIGH OUT.
S C H M I T T A M P L IF I E R S
R = R E FE R EN C E V O L T A G E
O U TP U T V O L T A G E R AN G E
DEPENDS ON RE FE R EN C E
V O L T A G E S A N D R AN G E OF
A A N D B INPUTS. A IS SEEN
A M P L I F I E D A T THE O U TP U T
B IS SEEN A M P L I F I E D A N D
I N V E R T E D A T THE O U T P U T
IF BOTH A A N D B AR E
A C T IV E , O U T P U T IS AN
A L G E B R A I C A D D I T I O N OF
INPUTS
CROSS-COUPLED L AT C H
B O T H S E T A N D R E S E T
H I G H , N O C H A N G E . S E T
I N P U T L O W , Q IS H I G H
A N D Q IS L O W . R E S E T
L O W , Q IS L O W A N D Q
IS H I G H . B O T H S E T A N D
R E S E T L O W , Q A N D Q
B O T H H I G H .
L IG H T E M I T T I N G DIODE
IF A IS M OR E P OSI TIVE
T H A N B, L IG H T IS E M IT T E D .
IF B IS MO R E POS IT IVE
T H A N A, NO L I G H T IS
E M IT T E D
D FLIP -F LOP
D HI GH A N D C POSI TIVE
T R A N S I T I O N = Q H IG H ; D
LOW A N D C POS IT IV E
T R A N S I T I O N = Q LOW.
EXCEPT: PR LOW HOLDS_Q
HIG H ; CLR LOW H O L D S Q
HIGH . Q IS A L W A Y S THE
IN VE R SE OF Q, EXCEPT
WHEN PR A N D CLR ARE
BOTH A T THE_SAME
T I M E (Q A N D Q W I L L BOTH
BE HI GH )
L I G H T A C T I V A T E S
PHOTO T R A N S IS T O R

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