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Model 3484A
Section VII
----------- -- ---
--
---
--
----- ------- --------------------- ---------
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--·
- --
--
---
--
---
-
----
- -
--- --
---1
INCTION RELAY
DRIVE======:;i
1r===::.:R.:.::ANGE
AND
FUNCTIO'..'..:N~===;i
BCD INFORMATION
IOV
(IOK
n)
ENABLE
4
IC3
6
9
ICl9
8
A
·
ANNUNCIATOR AND DECIMAL
l
---LAMP DRIVE
OHMS ENABLE
"'
mV LAMP
L>--o,__--------------...----
To P12 (13)
14
I
IOOMV
(IOOn)
ENABLE
~
3
IOOOV (IOOOKn)
ENABLE
5
To Pl2(17)
OH~S
ENABLE
v
1--------------0......:...
_ _
V
LAMP
c
I
To Pl2 (
14)
AC
(
DC) DRIVE
To J7
(I)
AC (AC)
DRIVE
To
J7(2)
IOV (IOKnl ENABLE
5
I
1c20
~~8
!Cl
ToPl2(18)
IOOV
(IOOKnl
ENABLE
IOOMV (IOOnl ENABLE
9
I
1c20
~¥--c
IC16
To
P12 ( 19)
IOOOMV (IOOOnl
ENABLE
AC(AC)ENABLEJ
~~D
IC20
.
!Cl
To P12 (20)
.
2
AC (DC)
ENABLE
AC(DC)ENABLE
E
~
2
To P12 (21)
OHMS
ENABLE
f==FILTER
RELAY DRIVE====;i
+5V
FILTER
OUT
DRIVE
To
JI (F)
OHMS
ENABLE
IOOOV
(IOOOKn)
ENABLE
r-------- -------- ------,
J6
I
----~
1
< 6
~
OHMS
ENABLE
I
+20V
·
JI
I
I
I
j
I
(
L _ _
DC FUNCT
IO
N
A~
RELAY VOLTAGE
J2
I
To
AIKl-3, A2K2
~
I
5
L _ _
XIORELAY
~DRIVE
I
To
A2KI
I
- - - - - +
16:._:
l
_
__
POLARITY
ENABLE
To P12I16)
____ J
IR
FILTER
F=5ELE
CT
IO_N_
===='J
- - ,
FILTERA
16
J:
4
'
J
1
5
PROGRAM~)
1
)o'l
'
"
I
~~
FILTER B
PROGRAM
IFILTERI
53
5
~
@TI
7
[Kl
I
~
I
2e
0'.;
26
1[[)
~
1
25
Jl4
I
~
'
J1
s
r·
"
I
D
B
DELAY
To Delay
Generator
FILTER
A DRIVE
t - - - i - - - - - - - . T o
Jl(J),J2(E)
IOV (IOKn)
ENABLE
IOOMV (IOOn)
-
ENABLE
_ _. _ _ _ _ _ _ .. FILTER B DRIVE
IOOV
(IOOKll)
To JI
(
H ),
J2 (D)
ENABLE
IOOOMV
(IOOO!l)
ENABLE
IOOOV
(IOOOKn)
ENABLE
l _______________________________ _
I
FILTER
I
53
@
0
3
4
I
0
7
VIEW
FROM
REAR
NOTE:
For a
ll
Enable
Signals
LOW=
Enable
HIGH =Not
Enable
13
IOM.n
OHMS
RB
IOK
38
n LAMP
I
To P12
(38)
, - - - - - - - - - - •
15
_ _ _
AC LAMP
I
ToPl2(15)
39
Kn
LAMP
I
To
P12
(39)
40
Mn
LAMP
I
To
P12
(40)
J7
AC(DC) DRIVE
-----+-<1
~
AC(DC)
ORIVE
:
I
To A7K2,9,ll
AC(AC)
DRIVE
-----1-<2
~AC
(AC) DRIVE
I
To A7Kl,IO,ll
JI
I
FILTER
OUT DRIVE
-----+-(F~
FILTER
OUT DRIVE
i
I
ToAIK7
~
J~
FILTER A
DRIVE
FILTER A
DRIVE
I
To
AIK5
E~
FILTER A
DRIVE
I
To
A2K3
JI
~
1
H~
FILTER
B
DRIVE
FILTER B
DRIVE
I
To AIK4, 5,6
o~ ~~'i
2
EK~B
DRIVE
~-------------+
12
_ . : I : . . . _
__
LEFT
DECIMAL
I
To
Pl2(12)
,-----t----------------
36
:;.._'...._
_ _
CENTER DECIMAL
I
To
P12
(36)
R9
150
1 - - - - - - - - - - - - - _ : ; ,
37
;....:_ _ _
RIGHT DECIMAL
I
To Pl2
(37)
11
A
I
:
P12(17)
10
B
I
~o
Pl2 (18)
19
c
20
I
~o
Pl2(19)
I
To Pl2
(20)
A
8
c
o
21
E
To
P12
(21)
- - -- - - --
----~-E
___
__J
Figure 7-5. Schematic Diagram, Function
Circuits.
7-9
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