Hitachi Analog Computer 505 Operation Manual
4't
:
--
HITACHI ANALOGCOM?UTER
CO}ilIENIS
?age
-
j-
- THE HITACHI 505 COMPIIIEH,
SECTIONII
-a:
1.
DESCRITTIONOF HIIACH]
GENERAL
2
IONS
ING CONSIDERAT
OIER,AT
-l
-l
-l
-l
-1
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ö
Operating Considerations
a.
?relininary
b.
?re-Patch Panel Insertion
c.
Amplifier
d.
Changing Computational Components
--5
r
4
SECTIONI - INTN,ODUCTION
and Removal
t /
t/+
Balance
2T
AND COIfIROL
MONII'ORTNG
a.
Output Selector SL-25A
b.
Overload Indicator
c.
Digital
d.
Multi-Range Voltmeter
e.
Reference Potentiometer
Panel)
f.
Mode Control (in ttre Control ?anel)
^
6.
T nrnlrq
h.
Slave Switches ( i n t h e C o n t r o l ? a n e 1 ) . . . . . . . .
i.
Readout Devices
j.
Function Switches
k.
?ower Switches (:n tne Qontrol Panel)
"""""'
21_
OL-25I
21,
Voltmeter DV-25L
u
POTENTIOMETERS
(in the Contror Panel) "
(in the Control
/ö
217
)"7
3/+
'"""'''
""""
""".."""
""''
o ? E F A T T O NAAII4 P T , T F T E. .R. .' . . . . . . .
"'"..""'
a.
General Considerations
.."""..'
b.
505 Operational Araplifier
DA-151
""
"
lQ
l+2
l*7
6.
7.
56
MULTIPLIEREM-151
QUA.RfER.SQUAFB
a.
MultiPlication
b.
Division
58
62
ol+
F'IJNCTION CENERATORS
4.
^
ixed Function Generator FG-151r-A
v2 p
r r^vq
b.
Log X Fixed Function Generator FG-155A
n
Tr nr i r S vor rnv rnr r o
v m c t reir e + v
d.
Variable
Function Generator FG-15I
67
e.
Variable
F\rnction Generat,or TG-j-52
na
f:
Varlable
h:.nction Generator
Fixed
o l
Functi-on Generator FG-153A
8.
cP-151, CP-I52
OOMPAnATORS
9.
rlEE DToDESFD-151
10.
TRANSIERDELAYELE|'ENTTD-151
11,
AO-151
AIJIOMATICOTERATOR
T2.
PANELMC-f51
MODECONTROL
LL.
REFtrTIII\IEOTERATION
SECTTONIlI
........"
^
FG-L57
.
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a
a
a
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.
QC
AO
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" " " " '
a . a a a a
.
.
.
a
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a02
SB?ARATED
- MA]NTENANCE'
Will
''HIIACHT ANA],OGCOMPUTER
TROGRAMANUA-L'I
EXPIA1N thE PTOgTAMM1Ng
technique for HIIACHI 5A5 Computer.
The Manual is commonin programmi-ng for
all
kinds of HIIACHI Analog
Conputer.
11
€ _
-
ILLUSTR.ATIONS
Fi.nr'm
T itle
Itrri,rber
a
l
a
f
Typical
l
JOJ, Front Vlew
Pre-Patch Panel, Modular Layout
a
Providing
2 2-1
Amplifier with Six-Connector Bottle-?lug
Feedback
2.2-2
DVMFront View
2.2-3
Pre-Patch Panel Insertion
2.2-/+
Amplifier
2.2-5
Computer ComponentModule Assignment Areas
1.1-O
Removal of Conputing Module
a a r y
Patching Block Replacement
2.3-t
HITACHI 505 Control Area
/
Balance Control Locatj-on
A4 to
Readout Panel OC-151 Patching Block and DVMT
SEL Patching
1-/
(nhamxtis
2.3-3
Qimnl ifiaä
2.3-/o
Conneeting Ar€a,
Of Reference
Potentiometer
Rear the Comprting Console
Potentiometer Patching Unit PT-151 and ?otentiometer
Panel fr-Z5t
a J ' ' )
Potentiometer Schematic Showing ein = 100 volts
a
Potentioneter
J
a
Loading
6
O4 P
L vn t a n t i n m o t p )vJ
f'.i--rr.i*e
crm-rified
SchematiC
Potenti-ometer Schematic ea'rdConputer Diagram Synbols
Operational tunplifier,
Simplified
Block Diagrarn
Operational Arnplifier,
Patching Block Layout
Simplified
Schematic and
SummerAmplifier
2.5-/+
Integrator
Patching
Patching ard Simplified
r_l_l_
Block Diagrant
T
-+^-e-!^,
Irtu=SIauut
/
n-l
\rhht
ulPrre
r rut
^ ^ i - ^ , , . 1 +u ,
c^,,-*:-
uYuarrrlS
z.o-)
M' 1r (r !] t iUnI lp il feVnt
1
R-l nnlr
.
n i - -v .! -rf^u jr t ^ . ^ rD4- u+u^r rr! ^1 j1 -6 . ,
yf
2.7-2
X2 FG, Patchlng
2.7-3
Log X FG Patching
l
Trigonometric
IJVUÄ
.te.]
tl
(innl
r!'rPrr
on P
r a^u+v ^
r r!r .l ri 5- ^
X2 FGrSimplified
d
4Lq
JSl li lm
p l rnrl i ] . i a |
4 r y 1
a
rha
er
S,mnl i fi ed
SchemrtiC
ulrryrJJ!(
taer
tlt.gram
i ni a^
snr.anatic
R-l nnk
lvlLj a2As! r n ma ' l
\
- i1 t r
4r 1
--Ä
arrq
c'ih-] ified
ulrrPf-
znd simn'l i -ied
arrd Simplified
Schernatic
and Simplified
Schematic
FG. Simplified
Schematic and patching
UAJVAU
and Simplified
Schenatic
z. /-o
cosX Patching
and Simplified
Schematic
nn i n'l o
nf
IIF|I
VFG FG-151, Si-nplified
H lnnr
Block Diagram and ?atching
I a17^r1t
2.7-9
VFG FG-151, Separate VFG Patching
1.l-LU
VFG FG-151, Combined VFG Patching
Location
a.l-!4
Curve
of VFG TV-l-57
VFC FG-157, Sin,plified
H
I ^nr
|
Bl-ock Diagram and Patching
ä1r^11t
2.7-1_5
Timer Operation
2.8-L
Comparator Simplified
Schematic and Patching Block Layout
Fr.ee Diodes Schematic and ?atching Block T,ayout
2.10-1
Transfer Delay Elenent,
Block Layout
l_v
Simplified
I
I
I
I
I
I
of VFGI s and VFG setting
Sample Output
Principle
2.7-U
schenatic
Schematic Block Diagran
sinX Patching
<'. l-ö
, uu-
schemrtic
2.7-5
Pri
D
r * n h i nt l'I 'I E ;
L
T lrrnrrl.
M
l r u'rrulr ty .* ir n
u l icati
z.o-2
j l.i
n---
ru.rlJ!rLfsf
I
I
I
I
I
I
I
Schematic and patching
I
I
I
I
I
I
L-,
Iq
!
l-t
It
h
hr
n
f-1,
f-{
f-r
f'-r
t'-t
n
f-l
fT
T
2.l-u-^z
!1an9fer Delay Element, Typical
Simplified Schematic
patching and
2.f1-1
Äutomatic Operator, Simplified
Block Layout
Schematic and Patching
2.IL-2
Automatic Operator, Block Diagrarn for Typical
Connection and patching nlocklayout
2.I2-I
Mode Control panel- patching Block Layout
1.L)-L
Timer Panel , TM-25I
1. LJ-1
Timer Operation
SECTION ]
IIüIRODUCTION
Many scientific
problems studied today i-n various
the solution
of parbial
the exception,
rather
analybic
solutions.
than the ru1e, that
The modern analog computero zuch as the Hltachi
numerical solutions
to study the effect
to zuch problems as well as enabling the scientist
of changes ln the physical
system.
in an ,nalog computer is quite
The nethod of problem solution
The conputer i-s used to ltbuildrr an electronic
nodel has been constructed,
Once this
1 , \. . ^ i ' . _ 1 ; . , . . . !
be performed on this
nodel in lieu
Investigations
actual
system becone quite
portion
It
is irnlikely
of the brain
that
this
er;:eri-rnents may
of experi.ments on the physical
feasible
to carry
with this
a ptrysician may wi-sh to study the effeet
tain
problem
i
which might be difficult
system.
analogy which
equations as the physical
obeys the same set of differential
to be studied.
is
the pr"oblerns adrnit' exact'
505, provides a convenient nethod for obtaining
sJmple.
involve
It
equations.
differential
or ordinary
fields
technique.
on blood presfllre
in the event that
a patient
out on the
For exa^np1e,
in a cer-
loses an ann.
experiment would be perfonned by any mearls
other than simu].ationl
Since the analog computer rmodelsrr the problem' each problen
variable
corresponds to,
these voltages
are readily
or is analogous,to,
available
may be continuously
perma^nently plotted
displayed
on a strip
chart
- 1 -
computer voltage:
1..1..
f
. '
A"
'
'...,
for measurement, instrumenti-on
is enployed to measur€ the problen variables
Solutions
"
as in an actual
system.
on a readout oscilloscopet
or x-y plotter,
or ni;merically
.|
evaluated by means of a voftmeter
steps necessary for problem solution
The detailed
cussed in detail
voltmeter'
or digital
in a later
section'
Briefly'
will
be discon-
one must first
strrrctamathematicalmodelforthesystemtobestudied.oftensuch
a model is not avail-able.
for
techniques available
case, there are anal0g computer
: . generating a model fron äeta'taken from the
rn this
physicalsystem.Thenexbstepi-nvolvestheconstructionofacomputer
etc') r^rhich
nblock diagram" (an array of summingalnps, integrators'
obeys the same differential
equations as the systern model'
This dia-
gramisthenusedtoconnectcomputingelementsutilizingthepatchboard.
Sincethepatchboardmayberemovedfromthecomputerandanotherpatch.
board inserbed,
actual
it
for
is not necessary to use computer time otherSthan
comPutation.
Theproblemisnowreadyforcomputersolution..Aftermorrnting
the proper patchboard, the potentiorneters
spond to the physical
problem constants '
rtcoMPUTElt
button.
obtained by pressing the
be observed and recorded as desired.
corre-
(u?otso) are set to
The computer solution
?roblem variabfes
Additional
is now
may then
runs may be rnadewith
differentphysicalconstants,problernvariables,initialconditions'
^+^
Thisnarrualdescribesthecomputeroperationandprograrrrmingin
detail.Itshouldbeemphasisedthataknor^lledgeofelectricalengirieeringisnot'necessarytosuccessfullyoperateananalogcomputer'
Theblockdiagranapproachusedinthismanualiscommoni.nnanyfields..
Themanualdescrlbesthegeneralcomprrteroperatingcontrolsfirst.
Thisisfollowedbyamodulebyrnoduledescriptionofeacht'blackboxn,
- 2 -
I
r
I
r-l
t-.I
il -
t
Ill
its
including
ny 4. vf vnt h
]rnrrÄ
trt\JaLu
input-output
a
nnno^tinnq
uullltEu
.
characteristics
R
u a:Je
r ui n
graJn manual at an introductory
bhis
co*.
DVU
section
r4rPn
'in
flMlE
*,ha
+U'ai U+J's1q a ^
i c
nroor:mmino
o w n l : i *nr rer ldu
tlAhn-l-inr*.innqll
ö},PfrU4UrvllD
,
o^vy !n@] f r r pr i n q
g
of the Hitachi
function
generation, transfer
fr-mction simulation,
ferential
equation solution.
Helpful
unit
tuhr lou
505 for more adva.ncedtechniques.
- 3 -
nro-
in
problem
eyns val an!i : l
p
It
md partial-
incfudes
dif-
suggestions for the use of the
in optirnization
Logic Operations board in iterative
the
the userr s particul-ar
features
automatic operation
in
example given
The detailed
level.
may be used as a model for
m
rnrrr'l
lll4llUaJt
and photographs of actual
problems and the Timer and
methods is also included.
I
r
t
ri'110': ;T
j..j
1.
:
'.
-C:i T'.-rr"
5
:
GEIiEIilI DESCRITT]ÜIiOT HITAJ;{I !05
rlesk-top generai purpose
The Hitacb"i 5C5 1s a meclii-unsize
analog computer having a wide variety
of applications'
This computer
maybeinstalledinanyofficeorlaboratorywithoutspecialconsideraThe power consumption is
control'
tions as to power or temperature
quitelo.lu,easilyhandledbynorrnalofficewiring.Sincethiscomputer
en'rironment by means of an oven'
supplies its or^minternal operatlng
itdoesnotdependonanaccurat'eexternaltempera+'urecontrol'The
heatdeliveredtotheroombyther-rnititselfisaboutthes.ryneas
that delivered
by a rnediutnsize laboratory
oscilloscope '
with solid
The Hitac hL 5A5 is nodular in concept
used throughout)f.
stat'e components
permits
The modular arrangement of the computer
r
r
t
t
t
t
t
specialmachineconfigurationsdependingont.heuserlsrequirements.
color coding of
wiring.
The componen-[arraJlgement allows sirnplified
the modules aids in rapid identification
of elements and simplifies
wiring checks.
the computer main frame
The conpu-cer is housed in two cabinets '
andthecontrolconsole.Theseunitsmaybeeasilyseparatedfor
transportation.Themaincomputerconsolecontainsthepatchboard
r^riththeassociatedcomputingcomponentsmountedinanovendirecti-y
patch panel is a panel contai-ning
behind the patchboard. Beneath the
the anplifier
overload inoicators,
the readout addressing system' and
thecoefficientpotentiometerswiththeirassociatedindicatorlamps,
it ulith
t,he excePtion
voltage rectifier
of the
in
if.
oscilloscoPe
tube
and a high
I
I
I
I
g
A control located immediately
addressing buttons, and label plates.
to the teft
of the patchboard operates the motor drive
or replacing
the patchboard.
consol-e is tilted
for removing
The lower panel of the main computing
toward the operator for ease of operation.
The power supply for the computing elements is located in thc
bottom rear of the cabinet.
It
is easily
removed for ser,rice or
transportation.
The control
t
f-I
i
F
F
scope, the iterative
the digital
s"ritches, a --altmeter,
tnrü
terminals.
I
console, contains the manual rnode control-
the reference potentiometer,
Immediately above this
oscilloscope with electronically
meter mormted above this
potenti-ometer setting
and sofution
I
patchable
logic.
rmit
The digital
volt-
may be used for accurate
readings.
The iterative
sequential mode control,
corner of the control
and Someexternal
is a three channel
generated scales.
oscilloscope
which may be used for
timer,
and
the digital- logic rmit.
panel, located in the lower right
The control
hand si,le of the control
mourrted directly
:I
-I
operation timer,
voltmeter.
the lower left
F
t
tr
lI
consol-e contains the control panel, t'he oscillo-
console.
operation
is located in
The digital
logic
unitt
above the timer module, contains various types of
NOTES: 1.
2.
SLIGHTLYIN T}IE LATERPRODUCTS.
Ti{E DISPOSITIONCHANGED
CONSOIE}JIAYM ADDEDTO TIm RIGHT OF
ONEMOFECOI,{PUTTNG
TI{E ABO]IECOMPUTER.
t
FrGUm 2.L-L
TYPTCAT
505, FRolflrvEW
- A
T
t
t
I
;-E
l.tj
FULLY EQUIPFED
L:r
n
ft
i
H
fi
F
t
HA],F EQUTPPED
FIGUNS 2.L.2
LAYOTIT
PFE-PATCH?ANEL MODÜLAR
t
-
L *
t
2.
OMRATINGCONSIDENATIONS
The HitachL
5O5 (F:-gure 2'1-1)
is shipped complete with all
is com-
DVM' Each unit
components in place except porrer supply and
and adjusted
cafibrated
pletely
After
at the time of manufacture '
in
and check procedure outfined
perforrning the sirople installation
the unit
the maintenance marulal , md connecting
sour€eo the computer is ready for operation'
The current hmiting
circuits
c
c
(
polJer
to a suitable
r
r
proi;ect the reference supplies
andallactiveoperationalelenentsfromdamageduetoshortingt.o
ground,ortoeachother.Thusanerrantpatchingcorr'nection(shortingtheplusreferencetogroundforexample)wi]-lnotadversely
effect
the supplies
(output current' drops to zero) nor will
ference supply fuse blow.
clucing shorting-out
a.
?reliminary
The following
bottle
Panel
(except' frarne and handles) re-
plates
of ha-nging pat'eh cords.
Operating Considerations
sreps are recommendedprior
505 to prevent possible false trouble
(f)
the surface of ?re-Patch
In addition,
is covered with coloured plastic
the re-
to operating
the Hitachi
indications.
Ascertain that each operational
amplifler
has a six connector
plug or a combination of bottl-e plugs equal to a six connector
bottlepluE:properlyplacedandseatedasshowninFigure2.2_I.
This provides the amplifiers
overloading
r^rit,h feedbaek artd prevent them from
during the problem solution.
4
=t
r\
r,_r
h
rir
l-]
llr
Ilr
(b) srx-coIrr{EcTOR
BOTTLE-PLUG
DA-l51
FTGURE2.2-L
BOTTLE-IT,UG
AMPLIFIERI^IITH SIX CONNtrCTOR
PROV]DT{GFEqDBACK
- 9 -
DVMDV-251
(ttRAtto-votrtr
swrrcH ADDEDrN LATERttoDEL)
DVMET 620
FTGURE
2.2-N
DVMFROIfIVIEW
The procedure for inserti-ng and removing the pre-patch panel
is described in Paragraph 2.b.
(2)
Patch the Digital
(wt) to the selector
graph 2.c. of this
nnonr*.i
e)
a-
(/r)
readout system.
voltmeter
(see Figure 2.J-2 and ?ara-
section for a deseription of the selector system
\
Apply power to the computer, then ?ot Set mode will
rnitially
light;
(nvru) and multi-range
vortmeter
the overload lamps of the operational
after
a few seconds all
appear.
arnplifiers
r,rill_
of the lamps should extinzuish.
check the vari-ous suppry voltages
of the computer.
supply outputs are eonnected to the voltmeter
the power supply through appropriate
All
switch in front
scaling resistors;
power
of
the check
may be accomplished simply and rapidly.
(5)
Check the plus and minus referenee supplied
DVMby selecting
for
readout on the
100 (red for plus) and 1OO (blue for rninus).
See
Paragraph 3.a.
(6)
Allow about thirby
minutes lrafln-up time;
this
assures that the
computing components, (including
the DVI'{and oscilloscope)
to normal- operating
Ground the DW input ter:nination
temperature.
(designated on the oc-151 FEADOIIT?AliET,), md confinn
within
000.00 plus or minus one bit.
are up
the reading is
other adjustment for DVMwill
be necessary according to Model of DVM, for DV-251, the zero check
is the only step necessary to assure thl
correct
operation.
(7)
rn the Por SEf mode of the cornputer (pon sET button on the con-
trol
pane1, model CT-25I depressed), closed relay contacts prov:ide a
feedback cj-rcuit
for the operational
this
a more detailed
section for
amplifier.
description)
-11 -
(see paragraph { of
\
I
?anel
the removal of the ?re-Patch
This feature perrnits
However' when the comamplifier'
operational
the
to balance
mod'e' the relay
POT SET to any other
puter is switched from
as patched on the Pre-Patch
circuits
contact's open and the
Parre}providesthefeedbackloop.Mornentaryamplifieroverload.
thus to eHminate
relay operating time;
nay rezult during the
possibleerrorinthecomputersolutlon,theoperatorshouJd
button) or
FESET (depress the FESET
always sr^ritch the conputer
operation
FESI butt'on for nulti-mod'e
Al,l, FESET (depress Al,t
or REP O? nrode' This
to the COMPIJIE
switching
before
only),
suruning
to open and the implifier
pennit the pot set relays
junctions
to settle
before starting
rraiting
There is no actural
the problem solution'
period required;
that
is'
tb
then
or AJ'L RESEabutton and
operator may depress the FESET
This
button for the desired mode'
inrnediately depress the
overprevent the possible momentary
sequence of operation will
load
b.
?re-?atch
from
effecting
Panel Insertion
the problem solution'
and Removal
Tojnsertthe?re-Patch?anel'sett'helipont'helor^reredgeofthe
panel in
Push the top of the
(f:-gure 2'2-3)'
groove
quide
the
panel in
the panel is clarnped autoroatically'
so the panel is verbical until
DepresstheENG(foTENGAGE)trrttononthelowerleftedgeofthe
cornputingconso].e.Thisbuttonproperlys"'täandfirnlyholdst,hePrebr:ttons can
ENG and Drs (for DrSENGAGE)
the
As
position.
in
?atch ?anel
memorizetheoperatoraetion,itisnotnecessarytokeepthebuttondepressedrrntilthepanelisloaded.IntheENGstate,aftertheparrelis
loaded,theparrelcannotberemovedrrnlesstheDlsbuttonispushed.
I
I
I
I
I
t-,
l''-t
th
FIGURE2,2-3
PFE-PATCHPANELTNSERTTON
_L3-
ln the ENG state without
the panel, the panel can not be loaded.
feature elimj.nates the possibility
of accidentally
This
engaging or dis-
engaging the Pre-Patch Panel.
The removal of the Pre-?atch panel is essentially
inserbing
the panel.
Depress the Drs button,
on both handle of the panel.
Then pult
the opposite of
and depress the levers
the panel towards the operator
serbing the panel or after
c.
Anplifier
drift
and resultant
plifi-er
results
the arnplifiers
is applied
gror:nd.
automatically
in the conputer results.
in an output voltage
opposite to any current
at virtual
are chopper stabilized
of the
to the amplifier
due to drift
by the stabilizer
with
drift
a zero inp-rt.
summing j'nction
check the amplifier
in the amplifiers
equal and
this
:
is el-iminated
stable
it
and nornally
do
:
to
check can be made rapidly
and
are used.
balance in the JoJ; the voltage
balance check and current
balance check.
cheek will
for each amplifier.
usual1y,
./
To assure ac-
may be desirable
system and voltmeter
There are two types of an,plifier
I
:
in the computer results,
balance daily;
(
,o
circuit.
of the 505 are ertremely
simply since the selector
with
the surnnringjunction
not require balancing for periods up to several months.
curacy and confidence
in an am-
505 are balanced, i.e.,
thus placing
Once balanced,
The d-c emplifj-ers
(or offset)
to prevent
Drift
t
t
t
t
pushing the DIS button.
anplifiers
errors
offset,
a bias current
in-
Balance
The d-c operational
To elininate
by hand after
I
t
upper edge of the panel first.
rt is not necessary to keep the panel straight
t
only voltage
balance
L
t
t
I
l
be sufficient
j-s necessary to reduce integrator
drift,
-
1/, -
The current balance check
but the operator need not check
t
t
t
i-|
as a daily
it
routine,
drift
is very low and stable.
is a step by step procerlure for cireching arnpli-
The following
fier
because current
balance.
(1)
RANC,Eswitch in the
?lace the voltmeter
and depress the DIS button of the Pre-?atch ?anel
O.l- position
control
(plus or ninus)
sr,riteh.
state the computer is ready for voltage
In this
balance check (sC mode).
(2)
The voltneter
through A39.
any other.
Tr,lopositions
range sr^ritch will
detect null
for
e)
h
t-l
shoul-d r.egister
center
zero on the voltneter,
control.
The balance eontrol
in the voltmeter.
error
adjust
side of the
to either
the correspond,ing balance
for arnplifiers
A00 through A39
ar"e located
?atch ?anel (Figure Z.Z-4).
There are two balance controls
directly
balance control
They are voltage
behind the ?re-
and, current
in an
balanee
In the BC mode (when DIS button pushecl), only the
-t
voltage balance is necessary.
.-l
integrator
reading on the neter.
r
a zero deflection
(the operati-onal araplifiers)
control.
u .
A00
':,f +0.1 and -0.1 of the voltneter
cause a deflection
Should an anplifier
ar,rplifier.
:l
system, select each anplifier
Using the selector
^L4^^*-^ v vlrr}J u
n^hlutational
u@ urvrre!
for a zero
balance should be done for
The current
connection amplifiers
v Ir@r5!r5
Adjust these controls
i-n H0LDmode.
components
v vruyvrrE
:
In the solution
:l
fic
of some problems it
type of comErtational
may be necessary to add a speei-
component to the existing
narry of the rnodule posit'ions
complement.
Sinee
are desig:ed to handle mora than one type
of computing component, a component not r"equired in tlre problern invest'igation
I
rnay be removed and another unit
plaeed in that
cradle.
L
L
t
I
VOLTAGEBAIAI]C,E
CONTROLOF AIO
CURTI}IETBA],ANC,E
CONTROLOF A]_O
VOLTAGEBALAI\iCts
CONTROLOF All
CURHBNTBAIANCE
CONTROLOF All
FIGUFE 2.2-t+
LOCATION
AMPLIFmR BATANCECONTROL
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COMPUTER
COMPOIFfi{T
MODÜI,EASSIGNMBIfIAXSAS
-77_
H
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C! € E TJ E HäH
5
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H
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(D
FIGUNE 2.2-5
(n
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H64B
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*
Figure 2.2-5 illustrates
the various positions
ponents in the 505 module area.
of the computi-ng com-
This diagram illustrates
of computing component is compatible with each cradle
The procedure for replacing
tion.
which type
or module posi-
a compr-rtercomponent and cha:rging
the Pre-Patch Panel- patching block is described in the following
P
r 4or 4r 6c 1 4ol rJcr r pn h
c
/1
\!/
'\
4. -rÄr q
Sub-
( C\
\tu/.
NOTE
Failure
to change the ?re-?atch
Panel
patching block may prevent proper use
of a computer component due to the
arrangement of jumpers on the rear of
the patching block.
(f)
Computing Module Replacement
(.)
Remove the ?re-?atch
Remove the two phillips-head
Panel to expose the conponent modules,
retaining
bottom of the module to be removed.
(b)
fnsert
screlsrs from the top and
(figure
2,2-6)
the special nodule removal handle in the hol-es pro-
vided next to screi^rholes from which the screws were removed.
Attach the two screw knobs on the handle tightly.
nodul-e forward removing it
Rrll
the
from the 505 console.
l
(")
Place the new component in p1ace.
the new module, if
It
is easj-er to insert
the harrdl-e is attached on the front
Be sure the guide pin is properly
seated in the guide rail
mating the connectors at the rear of the module.
- - L ö -
of it.
before
r-I
-1
T
\
h
-r
\
-]
-l
:-]
r-l
n
l l
r-l
i-l
n
n
rl
FIGUFN 2.2-6
RM"IOVAIOF COMzuI]NGMODUI.E
-'tq -
FIGURE 2.2.7
?ATCHINGBLOCKNE?T,ACM4ENT
Check that the module is properly
(O)
nector firrnly
installed
(con-
and replace the two retaining
mated, etc.)
screws
(2)
Patching Block Replacement
The ?atching blocks of the computing components are
(a)
held securely in place by the retaining
rear of the ?re-?atch Panel (figure
(n)
Release thern with a scrernldriver'
once the retaining
(")
2.2-7)
screws are located on both ends of the
The retaining
patching bl-ock.
screws on the
remove the original
s+,rip is free,
blockandreplaceitwiththenewblock.Replacethet.wo
retaini-ng screlds.
The ?re-Panel is now ready for problem
patching.
3.
MONITORINGAND CO}XIROL
The control
simple control
2.3-I).
system of the HII'AOHI 5O5 is designed to al1ow
and monitori-ng of the conputer components (Figure
The following
sub-paragraph descri-bes the fr-rnction and
operati-on of the various monitoring
and control
facilities
of the
406
a.
Output Selector
SL-25I
Theoutputselectornainlyconsistsoftworowsofpushbuttons;
The first
row contains 4 buttons designated A0 through
1
through
A3, and the second row contains I0 buttons designated 0
g.Depressingthe.q.on.,tto,.pemitstheoperatortoselectthe
outputs
of the 10 operational
anplifiers
(l0O through A09).
In
thesamewayrdepressingtheC?buttoninthefirstrowper:nits
-27-
]N COM?IIII{G CONSOIE
IN CONTROLCONSOT,E
VOLTIETEN,
RANCE
S'IITCHES
OUIPUTSEI,ECTOR
MODECONTROL
51{IICHES
I
I
I
I
TIfiSE TRUNK
LINES TERMINATE
ON FEADOTN
PANELOC-151
INTEGFATOR AC POi\rER
CA?ACITOR. $1ITCH
TRANSFER
S1^IITCH
FUNCTIONS1'IITCHES
AUDIBI,E ALAR4 CONTROLSI,IITCH
]NDICATOR
UVEFJ,OAD
i
CONTROL?ANET,
FTGURE2.3-T
ANEA
H]TACHI 505 CONTROL
i-l
:I
-l
-l
:-l
-l
-l
-l
.-t
-l
-l
-l
.-l
-t
the operator
to select the outputs of the comparators (ordinally
CPOthrough C?8).
The two reference
buttons designated 100 (red, for positive)
or 100 (Utue, for
negati-ve), nevertheless any button of the second,row depressed.
The button
signal
designated D(l- perrait the operator
from an exbernal device,
in the additional
for instance
to call
an external
the output selector
computing eonsole CS-505A. A button designated
EX2 has no con:rection and is provided as a spare selector.
Depressing the button,
or system for arnplifiers
button
one of AO through L3, sets the select-
in a gi-ven tens groupr i.e.,
designated A1 is depressed, amplifiers
set up for
sel-ection.
the
AIO through A19 are
of these ten amplifi-ers is actually
selected.
button numbering corresponds with
the amplifier
designations
if
The button in the second row designates which
The selector
system
and comparator
as marked on the pre-?atch ?anel respectively.
The selector
system output is connected to the ten terrninations
marked SBL in the upper portion
of the Readout ?ane1 0C_151 (tr'igure
1. J-r )
fn order to read out a selected
-I
bottl-e plug sholm in Figure
-t
_t
-t
installing
I
only by pushing the
are selected
voltages
range voltmeter
on the pvM, the ieft
signal
2.2-2 must be in p1ace.
The nrirlti-
(vu) may al-so be connected to the selector
the correct
line
bottl-e plug shor,rnin the ill_ustration.
by
rt
should be noted,
however, that
of the selected
component with a relatively
1ow impedance and should
not be used if
the circuit
cannot tolerate
this
requi-res setting
the potentiometer
or reading the voltage
operator
the w
-23-
circuit
will_ load the output
load.
rf the
I
accurately'usethevoltrneterasanullmeterutilizingt'hereference
potentiometer
0verloäd
b.
as a standard vol-tage dirider'
OL'25I
Indicator
The overload indicators
(Figur.e 2.3-L)
otrnrational
a' overload oecurs in arry of the
provide
a visual
arnplifiers,
alarm when
i.e.,
when
thesunmingjrrnctionisnotatvirtual.gr"orrnd.Anoverloadmaybedue
to improper scaling,
improper patching
or loading'
Whenthecomprrterisinitiallyturnedon,alltheindicatorlamps
rnaylight;howeverrinafewseconds'astheanplifierssettle'a1lthe
could be a patching
Should a larnp renajn 1it it
lamps should go out.
errorsuchasthefailuretoprovideun.usedamplifiersr,lithfeed.back
?rolonged overload will
plugs).
(via the four or six corurector bottle
not, damage an arnPlifier'
Toeljminatetheaudiblesignal-intheinitialoverload,itis
AIAIM on the panel'
recorunended to turn off the s,r,litch designated
c.
Digital
Voltrnet'er D-i,-25I
ThedigitaJ.voltrneter(wu)Dv-zsListerminatedintheReadout
designated DV. As previously
?anel 0c.151 area (Figure 23.2) and is
mentionedtheDVrraybebottledtotheSELterrninationtononitorthe
r,rj-th a pat,ch cord the drgitai voltmeter
selector system voltages, or
naybeusedt,omonitorsignallevelsatpracticallyanyt,errninationj.rr
input
a 50 megohm (minimun) full-tirne
the ?re-Patch ?ane1. The DVM has
:
irnPedance.
tlrann up tjme to operate the digital
It will take about 30 rninute
volfuneterinthespecifiedaceuracyforthemeasurementofarrabsolute
the
is not necessary to obtain
For the analog eomputer' it
voltage.
voltmeter
may use the digital
absolute voltage, so the operator
-2lr-
(
T
t
I
r'-|
t
t
T
t-l
-f
-f
1
-l
-r
-r
MADOI]T PA}EL
PAXIELo
omADOuT
o
"l
r.\*
l\-,/
in
(n )2
nA
'fl
H
t
r.\
l
sn{c
o
SYNC
o
o
RR
o o o lo
-CONTROL
TRUNKS-
O'OrO,O
rQaQzQ
o
FIGUm 2,3.2
oc-r5r
o
o
oc-r5r
MADOUT PANEL 0C.151 PATCHI}G BI,OCKAND
DVTiI/VMTO SEL PATCHII\G
_ 2 5_
o
[...
app"oxjmately
(a)
10 njnutes
the power has been switched on.
after
(in Control
Multi-Range Voltneter
automatic
switching
synehronized to MODEcontrol-.
a RANCTE
swi-tch, thus pe:mitting
ntan accuracy.
addition
close to fl:1l
The ranges are O.1r-O;1,
to an off
of the ?re-Patch
switch is connected to the ?re*?atch
pennitting
this
point
to be bottle-plugged
is a list
a brief
of the voltmeter
switch,
(in
the RANGE
(Figure
to the SSL output
monltoring
voltages
at
coru:ections in eaeh mode of
NfiSCRI?TTON
Corurects the amplifier
output'addressed
bnr the
selector
systen to the meter to facilitate
checking
xtd,/or ad justing.
The anplifier
nection
balance, notwithstanding
on the ?re-?atch
Connects the neter
tion,
t
r
r
r
r
t
descripti-on.
MODE
.L11 nodes
e:ccept BC
has
Panel Vlil terminati-on
via a patch cord.
Bc (ors)
The voltmeter
Panel driving
nost Pre-Patch Panel t,eruinations
with
by
1Or 30, 100 a:rd 3OOvolts
f,
voltmeter,
operation
voltages
scale readouts for maxi-
or, as in the case of the digital
Following
cir-
position).
In the ENG state
2.3-2)
various
wired into
rapid readout of eertain
of the 505 to facilitate
cuits
?anel cT-25I)
is pernanently
voltmeter
The nr:lti-range
r
r
r
r
r
t
the con-
?ane1.
to the VM.Pre-?atch termina-
h
!
-26-
-]
In each mode. the connection will
be made via the RANCTE
switch.
POTEI'IIIOI'ETERarea is
in the REFEFENCE
the NULL button
If
depressed, the voltmeter
system with the RANGEswitch can be
to the reference potentlometer.
meter referred
used as a nuli
of the reference voltage
The polarity
(plus or minus 100 volts)
be applied to the reference potentiometer
which will
meter may be decided by the toggle
as a null
switch next to the NIILL push
button.
T
T
il, l
-t
The reference
ti
nnaÄ
r
-l
noqÄrr
e4r
veqJ
potentiometer
that
ference potentiometer
4.t-J
the NULL button
state,
the NIILL button
-t
-l
*I
is pushed dor^rtt.the re-
may be used as arms of, the null
meter.
the reference voltage may be applied directly
by the toggle
age i-s controlled
f,.
potentiometer
) .
top end of the reference potentioneter.
-l
is not depressed, the re-
on the FUNCTIONSW area of the Pre-Patch Panel (f:-gure
ference potentiorneter
1
and a nul1 meter men-
may be used as an ordinary
In the state that
this
panel may be used
.
In the state
tesninated
on the control
poteniometer
in two waysi as an ordinary
I
-l
(in Control ?anel CT-25I)
Reference ?otentioneter
e.
The polarity
of the volt-
(in control
The operating
mode of the computer is controlled
?ane1 CT-25a)
by the six
pushbutton selector
button
just to the above of the ?01^lER
2.3-1-),
is a 1lst
tion
of their
to the
si^Iitch nert to the NULT,push button.
Mode Control
Following
In
of the pushbutton and brief
functions.
_27_
(figure
descrip-
tf,
t.
r
(
(")
coNlqgcrloN
PorElxrroMETER
oRDTNARY
(TIE STATE NI]LL BIJTTONUP)
+1001/
t
d
d
t
r
r
r
r
(o)
sTsTEl[ coNNECTToN
NULIUETER
(TI{E srATE NUII BUTToUocmlN)
t
t
t
I,
FTGUFE2,3.3
OF IEFEMNCE POTENTIOIdETSR
SIIßT,TFMDSCTIEMATTC
-28-
I
l_l
_1
-1
-1
-1
-1
-1
-t
DESCRIPTION
MODEBÜTTON
FESET
In the FESETmode all
conditions
When this
released to respond to input
The integrator
voltages.
signal
as dictated
in potential
solution
This generates the
of the progranmed probleni'
solution
to be halted and all
potential
attained
voltages
up to the instant
held at the
of depressing
the button.
The problem may be contirn'red from
point
butt'on or
by depressing the COM?UTE
:-1
f- ,l
|,-,l
RESETbutton.
re-set
to the starting
:-1
f
I
-
a time
problerL
Depressing the HOLDpushbut'ton pennits the
this
la
outputs change
by the inputs;
varying behavior is produced.
HOLD
integrators
pushbrrtton is depressed, all
are sj$ultaneously
_l
'l
no IC voltage
is appiied)
voltage
I
(IC) as dict'at'ed by the
output, is zero if
(tfre ttegrator
-1
_1
I
respec-
IC input voltage.
COMPL]TE
-1
-I
outputs are held at their
The integrator
initial
except the in:
norma11Y.
te grators function
tive
circuits
- n -
point by depressing the
MODEBUTTON
9üI SHI
DESCRIMION
Amplifier
input
summing junction
resistor
perraits setting
potentiometers
Also provides amplifiers
in order that
grounded;
under actua_l load.
wlth relay-contact
feedback
Panel may be removed to balanee arnpli-
fi-ers.
ATL EESHT
In the AJ,t FESHI node all
function
their
norma11y.
respective
the conneetion
circuits
except integrators
.4.11 integrator
initial
outputs
conditions
of the Integrator
(tC),
are helcl at
regardless
clrivi.::.g cireuits.
I
I
This node may be used especial-i.y in separate mode control
BEP O?
operation.
The FE? 0P button
s:witches the conputer
petitive
rnode if
operation
the oscilloscope
node the each of the integrator
change to the capacitor
Pane1, if
capacitor.will_
cle-
on R0 position.
the switch is turned to the RI position,
capacitor
the inte-
corunection reinains at the tenninal
designated fiT on the integrator
area of the pre-patch
Panel.
The latter
state will
-30-
t
I
area of the pre-?atch
the IIITEGRATORCAPACIIOR sr,ritch on the contr.ol_
panel is located
grator
05-251 or
connected to the terninal
signated R0 on the integrator
If
the re-
(TM-251 or IM-253) is provicled in the 505.
the tiner
In this
into
hc =a,1yuseful
to operate the
I
t
I
T
T
T
!]|
L-r
n
t-r
- T
_ l
, l
_ l
rl
:-t
'T
I_l
n
n
)
I
{
I
i
I
'l'-
or iterative
computation.
The following
table
1n
shows the operation
each state simply.
MODE
BUTTON
INTECTRATOR
CAPACITORSIfITCH
ACTUAI I}ilIEGRATOR
CA?ACITOR CONNECT]ON
RO
RO
RT
RT
NtsPOP
g.
',HI
RO
EXCEPI NE?
0?
RT
RT
Trunks
There ate two types of trr-rnks; Pre-?atch ?ane1 trunks
control
. l
computer in 1ow speed (Real Time) repetitive
RE? O?
(Continued)
rr
rr
r-t
D]SCRIPT]ON
MODEBUTTON
trunks.
Pre-?atch ?ane1 tnrnks
(terminating
and
at the
connections to the
TRUNKSTR-151 area) provide
point-to-point
connectors at the right-rear
of the computer (figure
2.3-/r).
These connectors may be used as outputs to accessory equipnent'
or the tnmk
may be cabled to a second eonputing
terminations
console, CS-505A, as signal carrying
tion
lines
for the interconnec-
of the problens patched on separate ?re-Patch
Panels of
slaved computing consoles.
Control
trunks
(terminating
ar"ea) provi_de point-t,o-point
at the Readout Panel 0C-151-
eonnectlons to the Control
CT-251,. These con:rectors nay be used as input/output
-3r'
Panel
charurels
r
-'r the temporary connectors to the test
'
Slave switches
(in Control
t
equipnent.
Panel CT-25I)
lnlhena 505 is to be slaved t,o another 505 (master), the
button E)fI of the SLAVEarea in the Control
?ane1 is depressed.
The slaved conputer then responds to the selected modes of the
master computer pushbuttons.
I,trhena 505 is to be controlled
Panel or the Timer, the button
pressed.
by the Digital
INT of the SLAIIE area is de-
Then, the conputer is driven with sigrals
of the analog patchboard or the digital
ma.nual operation,
Elenent
the OFF button
kept dorm.
-32-
patchboard.
from input
For normal
of the SLAVE area should be
n
:r
I
N
LN
O
I
a
Pr
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AREA, F(EARTIIE COMPIIIINGCoNSOT'E
CONNECTING
CS-505A
t2
i.
Readout Devices
The problem solution
obtained from the 505 nay be perrnanently
recorded or temporarily
displayed on various types of readout de-
vices.
this
A few of the more commonreadout deviees are described in
paragraph.
Either
solution.
the DVMor voltmeter
may be used to read out the pncblem
These devices, however, do not record the solution
do not provide a pennanent record.
trlhen in REp-op the computer solu-
tion may be obtained by photographing the scope trace.
or strip-chart
om
u!v,r
h'l
qn-l
x-y recorders
recorflers may be used for permanent record of 505 pro-
nn c
rvr*ulvrrp.
rr*-i
|.]lLa
aa
These
i i
r.rnits,o
"-
L^'
r,
hotlever,
response necessary to accurately
do not
have
the
record the solution
frequency
when the computer
is placed in the high-speed nEP-oP mode of operation.
terminations
and thus
The recorder
oR the Readout Panel are wired to con:reetor plugs at the
rear of the 5O5. See Figure 2J4.
Oscil-loscope OS-251 is especially
prepared for the exhibition
of
the eomnrrtez.snlrrtion.
The OS-251 has three ehannel inputs and can be
mormted on the control
console cS-505B.
Al1 input terrninals are con-
nected on the Readout Panel OC-151 area in the Patehboard.
r
J .
rk- rurrhf v^ f
u rr v r^rh
qrri
vwr
t uCuhr e1 9
Sp
The Function Switches
Selector
(on the Overload fndi-cator
SL-25A, d switches total)
provide lrpositi_on
FSl) and double-pole(l'S2, FS3) contacts.
OL-Z5a and Output
single-pole
They are terminated on the
Function Switch FS-151 area of the patchboard.
l,lith these suitches the
operator may manually switch computer problem functions.
nos.ition ma.vhe eonsidered the off nosit'ion
u rvrt
.
-34-
(FSO,
The center
I T
tt
FI
The AC porrer to operate the computer is controlled
nected from an erbernal
switch will
-t
-l
_I
light
AC source to the Power Si:pp1y, the 0