Hitachi 505E Analog/Hybrid Computer
© HITACHI 505E
analog/hybrid computer
TOTALLY NEW AGEIN
The Hitachi 505E is a totally new state-of-the-art computer designed to aid in solving today's sophisticated
yroblems. Despite its desk-top size, complete integrated hybrid system capability has become available
f I i j § [ )
along with unbelievably low-cost servo-set potentiometers, automatic output selection unique digital logic
components, and problem board. This 100-volt, all solid state machine provides the widest variety of
choice both lor components and control structures. Choose for digital logic circuits, choose for fast
switching electronic mode control, choice in servoset potentiometers, and even choice of complete in-
tegrated hybrid computation system capability. HITACHI's over 18 years’ experience in the analog com-
puter tield stands behind the 505E which is provided with the world’s most versatile and flexible me-
chanical construction throughout.
(Specifications are subject to change without notice)
CONTENTS
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CONVENIENCE IN HYBRID COMPUTATION
OUTSTANDING FEATURES
CONVENIENCE IN OPERATION
CONVENIENCE IN MAINTENANCE
DESCRIPTIONS OF ANALOG COMPONENTS
DISPLAY EQUIPMENT
DIGITAL LOGIC PACKAGE
ACCESSORIES
CONFIGURATIONS AND EXPANDABILITY
CONVENIENCE IN HYBRID COMPUTATION
The HITACHI 505E offers todays scientist a more practical approach
to hybrid computation, with more economic and faster problem
solutions. The analog console is fully prewired for expanding the
computer to a complete integrated hybrid computation system.
Feasibility to accept hybrid control signals for automatic amplifier
readout, automatic addressing and automatic setting of servo-set
potentiometers, A-D, D-A lines, Ci Co signals, program interrupts,
clocks, and mode control lines—all of these networks and structures
are offered by an extensive hybrid computation system.
SERVO-SET POTENTIOMETERS
The HITACHI 505E accommodates either 108 manual potentiometers
or 72 servo-set potentiometers and 36 manual potentiometers. The
basic servo-set control structure requires only exceptionally low-cost
addition.
The servo-set system of the HITACHI 505E consists of the Servo-
set Control Panel (CT-253A), Servo-set Potentiometer Patch Unit
(SP-151), and Address Selector (SL-2525S).
The Servo-set Control Panel (CT-253A) contains a servo amplifier,
servo controller, and matrix inputs of an amplifier addressing and
coefficient setup which may be terminated to the hybrid linkage.
A POT-SET button (green, self-lighting) on the panel CT-251 auto-
matically lights when the patchboard is engaged, allowing the Ad-
dress Selector (SL-252S) to select a servoset potentiometer.
A HYBRID button (red, self-lighting) located adjacent to the SET
START button controls hybrid operation. As long as the HYBRID
button is ON, the HITACHI 505E readily accepts addressing and
coefficient setup signals from the hybrid linkage. In standard con-
figuration, the reference potentiometer (0.1% linearity) on the
Control Panel (CT-251) is used for generating coefficient setup in-
put to the servo amplifier. A high-accuracy type reference poten-
tiometer (0.0075% linearity) is optionally available.
Every six servo-set potentiometers are grouped in the Servo-set
Potentiometer Patch Unit (SP-151), individually provided with a
high-performance servo induction motor. The SP-151 is mounted
directly behind the patchboard so that it considerably reduces
phase error and obtains accurate, reliable computer solutions.
The Potentiometer Patch Unit, PT-151, may be replaced by the SP-
151 without console modification. Since the computer is prelimin-
arily designed to fully accept either servo potentiometers or manual
potentiometers, the user has a variety of choices when purchasing
the machine.
HYBRID DIAGRAM
Scan Control
OVM
OVM Readout Control
Ge
Clock (Ich) Address
Read
Mode Sense (2ch) Control
|
General Purpose Controls (Gch)
Addressing Sense Reouest
Amplifier Readout
Analog Data iui (Bch) ° ;
- 100¥ Divider - 10 Multiplexer
Digital Computer
Inter Lock (2ch) Inter-Face
Analog Data (8ch)
Write Adrress
“HITACHI 505E Control
y
General Purpose Controls (Gch)
General
Control
Mode Controls (Gch)
Mode
Contral
Addressing and Reference
SP Output Data
Set End Control Register
Paper Driving
Recorder
Control
Pen up down Control
General Digital
HITACHI 505 Hybrid Linkage gg Purpose Computer r
ALL SOLID STATE
DESIGN
HIGH-PERFORMANCE
100V OPERATIONAL
AMPLIFIER
Hitachi 505E’s complete utilization of solid
state materials throughout has resulted in
exceptionally high performance and reliabili-
As a result, a new Hitachi 505E operational
ty among 100V desk-top analog computers.
solid state materials are re-
placed by silicon transistors and diodes which
Most
have less temperature coefficient in normal
atmosphere and give the programmer stabler
computer solutions in minimum operation
of
these
amplifier with +100V/25mA output has im-
proved computing accuracy and signal-to-
noise ratio, and has provided more accurate
nonlinear components as well. Consequently,
despite its desk-top size, the Hitachi 505E
demonstrates computing accuracy similar to
that of larger, more expensive equipment.
time.
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COLOR-CODED,
SHIELDED PATCH
PANEL
Among desk-top analog computers, Hitachi
505E is the only machine available equipped
with a Color-Coded, Shielded Patch Panel.
Having different colors for each unit, the
component layout, planned for maximum use
of low-capacity bottle plugs, not only reduces
lead length but simplifies wiring. An all-metal
patch board reduces computer noise. Re-
movable unit-by-unit panel structure eases
component replacement and/or expansion.
The colors used are subdued and elaborately
selected from the viewpoint of human factor
engineering, the marking on the patch panel
carefully designed to provide easy identifi-
cation of each component and its hole func-
tion (e.g. numbering and lettering to the
upper left of the hole is not hidden behind
the fingers or pin-holders of patch cords
while patching; printed by color between
:wo holes shows that a bottle plug connec-
tion is required for appropriate programs).
Shielding is extended to the digital logic
patch panel.
THREE-CYCLE, HIGH-
SPEED REPETITIVE
OPERATION
Among desk-top analog computers, the
Hitachi 505E is, once again, the only computer
available that features three-cycle, high-speed
repetitive operation facilities. Hitachi 505E’s
unique, three-channel monostable timer pro-
vides three mode control signals with an
independent time variable from 10s to Ims
each. In fact, in optimization problems, for
instance, 3-cycle repetitive operation among
RESET, COMPUTE and HOLD, is a powerful
operational means of reducing extra ampli-
fiers and integrators which might be indis-
pensable in usual 2-cycle repetitive operation.
The timer may be used for other purposes,
too, because of patchable control inputs and
outputs available on both the analog and
digital logic problem boards (i.e. CLEAR,
RUN, STOP).
EXTRA MODE, ALL-
RESET
Most analog computer users might not be
familiar with the term ALL-RESET. May
Hitachi computer engineers assume that some
sort of mode to initialize all integrators
patched for various modes are needed in
your research by now? That is the mode,
ALL-RESET. A patchable independent mode
for integrators is now common to almost
every analog computer in the field. How-
ever, as scientific and industrial problems
become more sophisticated on computer
analysis, the simultaneous control mode
which gives priority to individual patched
mode is often needed. The mode, ALL-
RESET, helps the programmer to reduce
complicated logical patching and to save
time.
SELF-CONTROL
SYSTEM FOR
CONSOLE
TEMPERATURE
Despite its desk-top size, the Hitachi 505 is
equipped with a self-control temperature
system that maintains console temperature
at 95°F +2°F and protects analog components,
including amplifiers, integrators, multipliers,
and so on from outside temperature. So,
the Hitachi 505E does not require a bulky air
conditioner and may be installed under
normal living conditions (32°F to 95°F) for
normal computer operation. Such a feature
improves solution reliability and yields
higher computer performance with less
module adjustment.
EXPANDABILITY
FROM BASIC
CONFIGURATIONS
TO 124 AMPLIFIERS
Because of its unified component arrange-
ment, the Hitachi 505E is simply expandable
from basic configurations with 10 operational
amplifiers, 4 integrator networks, 18 poten-
tiometers, etc. up to 124 operational am-
plifiers and various combinations of nonlinear
components without a single soldering ope-
ration. The computer covers a wide range of
field requirements from student training to
today’s advanced scientific use with various
options and alternatives available to fit the
customer’s budget.
OUTSTANDING FEATURES
RMG RMG
VERSATILE AND
FLEXIBLE INTEGRATOR
PERFORMANCE
Hitachi 505E integrator network provides:
Mi Patchable time scale among 1s, 0.1s, 0.01s,
and bane io wiéchabte iecdis ao a = -()-
EMC options with no console modification.
@ Direct mode control from digital logic
problem board without voltage level con-
verters or buffer amplifiers. [J Polyethylene
capacitors with minimum absorbent coeffi-
cient. IJ Patchable track store unit. [J Patch-
able electronic switch available at EMC
integrators.
IN OSCILLOSCOPE with
: FOUR CHANNELS BUILT-
ELECTRONIC SCALE
HYBRID |
ORIENTATION
itachi 505E is a well-designed, hybrid
yriented computer; especially, offering
acilities by built-in digital logic package and
urther hybrid capability presented by ex-
yandability of servo-set system.
The digital logic package includes Flip-flops,
\ND gates with inverters, Decimal counters,
ind Hitachi’s unique Ring counter which may |
»e programed as a shift register, a program
controller, a general purpose decimal
counter, and soon. It also terminates mode
control of integrators, console mode control
of integrators, console mode control inputs
and outputs, clock interval timers, A-D
trunks, general purpose indicators, and so
on.
The maximum quantity of servo-set. poten-
tiometers when fully expanded is 72 in ad-
dition to 36 manual potentiometers. Servo-
pot groups located directly behind the patch
panel reduce phase error during high-speed
repetitive operation. The servo-set control
structure is fully prewired to expand the
computer to a complete integrated hybrid
system. A HYBRID switch on the servo-set
control panel may accept control signals for
automatic amplifier readout, automatic ad-
dressing, and setting of servo-set potentio-
meters from the interface. Further, maximum
8ch A-D converters, 8ch D-A converters, 6ch
Co signals, 6ch Ci signals, Program inter-
rupts, and Mode Control Lines are offered
by an extensive hybrid system with a general
purpose digital computer.
LOGIC CONTROL PANEL,
CT-252:
Provides state indicating lamps of decimal
counters, a ring counter, flip-flops, and
igeneral purpose plus control push buttons
for the ring counter and the digital logic.
The control push buttons of the RC group
may SHIFT or STOP or CLEAR the state of
the ring counter which is essentially designed
to be used as a general-purpose program
controller, a shift register, a skip register,
and a counter.
Other push buttons of the LOGIC group may
control the mode of the entire digital logic
components ; e.i., RUN or STOP or CLEAR
all of counters, flip-flops, and digital clocks
TIMER PANEL,
TM-251:
Mounts individual coarse and fine time
period adjustments tor the 3-channel mono-
stable timer. It provides 3 independent
variable time for 3-mode repetitive operation
The adjustable time range is from 1 msec
to 10 sec., each with a 4-step multiplier. The
panel has control push buttons for RUN,
STOP and CLEAR, and has input/output
terminations both on the analog and the
logic patch panel. The therefore,
may be driven by a logical signal or may
generate a logical signal
When the timer is being cleared, all of the
three timers generate a logic ZERO (0 volts).
three in-
timer,
When the timer is in operation,
| dividual timers generate a logic ONE (+6V)
in turn, The operation centinues until the
STOP button is pushed or when the STOP |
input is driven from a logic ZERO to a
logic ONE
In fact, the 3-mode repetitive operation not
only merely provides a rapid display of solu-
tions, it also aids precise measurement with
less components, especially in optimization
problems.
TIMER PANEL, TM-253, is available as an
alternative unit. It controls only COMPUTE
time at 2-mode repetitive operation (RESET
COMPUTE) The time range is ten steps of
10ms, 20ms, 50ms, 100ms, 200ms, 500ms, 1s,
2s, 5s, and 10s.
a PES.
ese: S
SET RRS TC:
S Fsastealias eS”
CONTROL PANEL,
CT-251:
Contains a volt meter, self-lighting mod
push buttons for RESET, COMPUTE, HOLD
POT-SET, ALL-RESET, and REP-OP, self
lighting power ON-OFF buttons, meter rang
buttons, slave control buttons, a referenc
potentiometer with a null button and a re
ference voltage interchange switch, a consol:
time scale interchange switch, and genera
purpose trunk terminations. Circuit principh
of the three modes (RESET, COMPUTE, anx
HOLD) is based on EMC, but it also control
EMC integrators with no wiring modificatior
10
CONVENIENCE IN OPERATION
A) OVERLOAD INDICATOR,
OL-252:
Provides overload indicating lamps of ope-
rational amplifiers (numbered 00 to 61), status
indicating lamps of comparator amplifiers
(numbered 62 to 69), overload indicating
lamps of reference voltages (numbered 73
and 74), two. single-pole, double-throw
function switches, plus an audio alarm ON-
OFF switch. If the audio alarm (designed
| to make a mild sound) is not required, the
| switch may be turned off. The audio alarm
system may also be used for general pur-
pose, and an audio alarm input termination
is available on the analog patch panel.
OUTPUT SELECTOR,
SL-252:
Provides push buttons for output selections,
two double-pole, double-throw function
switches, and an output terminal. The panel
may select 62 operational amplifiers, 8 com-
parators, reference voltages, and another
output selector the slaved
analog console.
Alternative output selector, SL-252S, may ad-
ditionally select 36 servo potentiometers.
Potentiometer outputs are not selected by
this panel because a SET push button dis-
tributed to each potentiometer performs
output selection.
mountable on
MANUAL POTENTIO-
METER PANELS,
PT-251:
Each panel, PT-251, contains 18 potentio-
meters. Each one third of them (6 pots),
terminated to the potentiometer patch unit
PT-151.3 out of 18 potentiometers, is the
ungrounded type.
Each potentiometer is individually provided
with a SET push button which is used for
output selection. If two or more SET push
buttons are simultaneously depressed, the
potentiometer with the smaller number has
the priority of being selected. A lamp above
the potentiometer comes on when the SET
push button is operated. The maximum
quantity of potentiometers mountable in one
analog console is 54.
2) Vrall ih Ar
The Hitachi 505, is very carefully designed from the viewpoint of
maintenance. Easily observable control circuits and printed boards
without removing appropriate panels from the console aid the
maintenance staff to adjust the machine fast and easily. In addition,
Hitachi provides a complete interchangeability list of semiconduc-
tors, and immediate delivery of spare parts on urgent requirement,
even down to a single screw. More important, complete documenta-
tion is available of which detailed circuit diagrams, for instance,
give the maintenance staff point-by-point voltage and waveform
information throughout the computer. Hitachi is sincerely proud
of. the simplified maintenance procedures for which the Hitachi 505§
is particularly designed
12
DESCRIPTION OF ANALOG COMPONENTS
Dual Amplifier
OPERATIONAL AMPLIFIERS Type DA-151A
a
~ Y~
—
eS
Quad Amplifier
Type DA-153
L an
Featuring all-silicon transistors including a FET chopper results in a
minimum temperature coefficient to reduce maintenance and im-
prove long-term reliability. Among 100V desk-top analog computers,
Hitachi 505E operational amplifiers have exceptionally high-quality
static and dynamic performance, including open loop d-c gain ex-
ceeding a 6X10" phase shift error less than 0.1 degrees at 1 KHz.
50 KHz bandwidth at full amplitude (200 Vp-p). MTBF exceeding
100,000 hours.
Schematic of DA.ISIA
One of the special features available only in the Hitachi 505E
operational amplifiers is the current balance system that makes it
possible to minimize integrator drift down to 10 #V/sec., although
the standard specification of integrator drift described in this
brochure is 100 #V/sec. maximum, measured at the network of which
the amplifier current balance system is not adjusted. (Available
only in DA-151A.) The pot-set gain of the amplifier being 100 and
the minimum voltage range of meter 100 mV, the amplifier output
is observable equivalently over a 1mV F.S. meter range. The
output current limit circuit provides complete protection against
damage, even though the output is connected to any voltage on
the board for many hours.
The resistor networks in the amplifier unit, separated from the am-
plifier circuits, require only one bottle plug connection since they
are used as a summing amplifier, or they may be available for
other purposes if they are not being used. These two units are
interchangeable with each other.
13
DESCRIPTION OF ANALOG COMPONENTS
Dual Integrater
Type IN-151 (RMC)
Type IN-153 (EMC)
INTEGRATOR NETWORKS
Both integrator networks of RMC (IN-151) and EMC (IN-153) are
available, usually combined with DA-151A for normal operation.
The marking of IN-153 (EMC) is identical with that of IN-151 (RMC),
although it is not illustrated here. These two types of units are
completely interchangeable with each other without console modi- grt wreoratog (“Giles Ge ALAA
fication, because console control structure for the mode is previ- 8 ) 0}
ously designed based upon EMC. These two types, therefore, may ;
coexist on the same patch panel, so that the programer can ,
economically select and/or combine integrators between two types,
depending on solution requirements.
Each integrator unit consists of two integrator networks. On the
patch panel, it terminates patchable EMC or RMC, IC input, patch-
able time scale, console mode outputs, D-A trunks, and other
indispensable lines, most of which patchings are achieved by bot-
tle plug connections.
Simply by changing the bottle plug position, the integrator mode
can be directly controlled from the digital logic patch panel without
using a voltage level converter or-a buffer amplifier.
Other than a patchable time ‘scale, console time scale interchange-
ability is also provided; that is, the ability to select two time
scales in any combination among Is, 0.1s, 0.01s, and 0.001s
The integrator network may be also patched as an electronic
switch (if EMC) or a track/store unit. Feedback capacitors wired
in the unit may be used as free capacitors if the integrator network
is not in use. IN-759 ~ OA-181
~151A
100k
All Reset ©
Reset B3
Compute BY
ES: Electronic Switch
AlpReset
Reset
Compute O—_—_—_a————————_
Schematic of IN-15)
14
Type PT-251 (Potentiometer)
Type PT-151 (Potentiometer Patch Unit)
Type SP-151 (Servo-Potentiometer Unit)
Potentiometer
POTENTIOMETERS
15
DESCRIPTION OF COMPUTING COMPONENTS
Multipliers
Hitachi 505 electronic multipliers consist of two square function
generator cards with which three operational amplifiers are combin-
ed for multiplication, division, and squaring. Silicon transistors
and ultrahigh-speed diodes of which response time is only 4 nsec.
are used throughout to minimize drift and to ensure maintenance-
free life. Temperature coefficient of the diodes is compensated
to obtain stable operational performance.
For easy patching, the multiplier can be converted to a divider or
vice versa simply by replacing a bottle plug at the terminations
indicated,
The multiplier, Type EM-153, is designed essentially for high-
accuracy operation at low-output noise. Provided with four inputs
(4:X, +Y), it does not always require three operational amplifiers,
should signals +X or +Y be available elsewhere on the patch panel.
Both types employ particular formula to product multiplication.
The equation is:
44 _ 1 }
=1(1 (yp y—ap—1 (x-y-h+y
xy 13 (x+Y¥ 14 (X-Y—1)
In fact, the function F(x-1), —1Sxs1
requires less break points to perform operation in similar accurady
than does the function, x*, —1Sx3S1.
Major specifications for both types are as follows ;
Accuracy : +0.1% (+100mV), Typical (EM—151)
+0.02% (+50mV), Typical (EM—153)
Bandwidth : 80KHz (EM—151), 100KHz (EM—153)
at small input.
Type EM-151
Type EM-153 (High Accuracy)
16
VARIABLE DIODE FUNCTION GENERATORS
VDFG, FG-151 includes Patch Unit, FG-151, Setup Unit, FG-051 A
for positive input, and FG-051B for negative input. The FG-151
may be used as two function generators or as one slave function
generator by simply inserting or removing a bottle plug at the
terminations indicated. Each setup unit consists of ten fixed break
points, their maximum slope +5V/V. Four operational amplifiers
are combined with the FG-151 for dual-function generation, whereas
two operational amplifiers are combined for 20 break points from—
100V to +100V function generation.
VDFG, FG-152 includes Patch Unit, FG-151, two Setup Units, FG-
052. The FG-052 contains ten fixed break points and covers the
entire input range from —100V to +100V.
Maximum slope is also +5V/V, but two FG-052’s cannot be con-
nected with each other.
Neither type requires reference input voltage at setup procedure,
Circuit principle of each setup unit is to duplicate various heights
of triangular units to facilitate setting procedure and to minimize
setting time. The programer does not have to remember how
many points have been set because the unit self-memorizes the
fact mechanically.
Type FG-151 (Patch Unit)
FG-051A (Setup Unit Positive)
FG-051B (Setup Unit Negative)
FG-152 (Pacth Unit)
FG-052 (Setup Unit)
5xe? UA
17
This VDFG consists of Patch Unit, Type FG-157, and Setup Unit,
Type FG-057 which contain ten variable break points. Each break
point can be assigned anywhere between+100V and —1OOV.
One of the exceptionally remarkable features of this VDFG is its
capability of having +1000V/V SLOPE generated; i.e. the maximum
slope is practically infinite. Because of this, FG-157 requires five
operational amplifiers for function generation. Another remarkable
characteristic of this VDFG is the fact that X and Y coefficients can
be set independently from each other; i.e. the programer can
perform entire X setting first, and, then set the entire Y coefficients.
In most conventional VDFG’s, there is always some sort of mutual
effection between the X and Y coefficient, and the programer
experiences difficulties in adjustment. The setting method of FG-
157, however, has eliminated many troublesome setting procedures
and provided the programer with the easiest computer operation.
Acceptable quantity of the FG-157 is one per each console.
yi Wk WL A OOM
Type FG-157 (Patch Unit)
FG-057 (Setup Unit)
: @ ea 2 2 2 2a 2 @ «
18
FIXED DIODE FUNCTION GENERATORS
Trigonometric Function Generator, Type FG-153, has a single trigo-
nometric function circuit ; the FG-153A has two such circuits, each
requiring one operational amplifier for function generation. Input
range is selectable between +z and +z/2 by changing the bottle
plug connection at the terminations illustrated. An inverted func-
tion can be obtained in the same way.
Metal-filmed resistors and temperature-compensated diodes are used
throughout to obtain reliable, stable operational performance.
Square Function Generator, Type FG-154, has two square function
generator circuits; the FG-154A has four such circuits, each requir-
ing one operational amplifier for function generation. An inverted
function can be obtained by changing the bottle plug connection
on the patch panel. High-speed diodes having 4nsec response
time and metal-filmed resistors are the main factor in obtaining
stable, reliable unit performance.
Logarithmic Function Generator, Type FG-155, has two logarithmic
function generator circuits ; the FG-155A has four such circuits, each
requiring one operational amplifier for operation. Half of those
circuits are for negative input, the other half are for positive.
Inverse function can be performed by changing a bottle plug con-
nection on the patch panel. Also high-speed diodes and metal-
filmed resistors are used throughout.
RELAY COMPARATORS
Two different types are available, the major specific difference
being 5 msec. at CP-151 and 0.5 msec. at CP-152. Each unit con-
sists of four comparator amplifiers and four double-pole, double-
throw relays. The comparator amplifiers are separated from relay
networks, and the electronic output—capable of directly driving
integrators or console modes—is available on the patch panel.
Should the relay be driven by the comparator amplifier, a bottle
plug connection may be made between the electronic and the coil
input of the relay. Hysteresis characteristics are applied to the
amplifier circuit to reject input noises; therefore, sensitivity is kept
rather low. Silicon transistors are used throughout. Output voltage
level of the amplifier is identical with that of the logic patch board.
Response time of the electronic output is 10 zs.
Type FG-153, FG-153A
(Trigotometric Function Generator)
Type FG-154, FG-154A
(Squar Function Generator)
Type FG-155, FG-155A
(Logerithmic Function Generator )
Type CP-151 (Comparator)
CP-152 (Comparator)
(High Speed)
19
| ers and four electronic switches.
DESCRIPTION OF COMPUTING COMPONENTS
ELECTRONIC SWITCH
The unit consists of four comparator amplifi-
The com-
parator amplifiers in this unit are practically
identical with those of CP-151 and CP-152.
Response time of the electronic switch is
less than 14s. Total resistance accuracy of
the switch is 100 K +0.2% including FET
internal inpedance. The equivalent open
resistance ‘is approximately 10'°Q.
TIME DELAY UNIT
The electronic transfer delay component is
based upon Pade second order approximated
equation. The TD-151 requires two opera-
| tional amplifiers for operation. Two TD-151’s
can be slaved to construct a fourth order
transfer delay. The unit is accepted to the
position where integrators are mounted, and
the time scale is interchangeable or patch-
able in the same manner as integrators.
Delay time range is from 0.0001 sec. to 10
sec.
Type CP-153
AUTOMATIC OPERATOR UNIT
The AO-151 essentially contains one mul-
tiplier and one integrator (except an opera-
tional amplifier), plus necessary wiring to
solve boundary problems or other iterative
techniques. The parts mentioned are
combined into prewired blocks so that panel
wiring may be reduced ; consequently, pro-
gramming for iterative computation is
simplified by using this unit.
TRUNK UNIT
This unit is used to transfer various signals
to and from external equipment and/or a
slaved console, 40 general-purpose trunk
lines are available, terminated to the con-
nector located on the rear side of the
console.
Type AO-151
(
Type TR-151
)
DISPLAY DEVICE
OSCILLOSCOPE Type OS-252
For convenience in observing solutions in high-speed repetitive
operation, a special purpose built-in oscilloscope is available.
Provided with one horizontal input and four vertical inputs, four
waveforms can be simultaneously displayed. The cathode ray tube
in this oscilloscope has a rectangular 230-mm. (9-inch) scope
face which permits easy observation. In addition, an electronic
scale (11 linesx11 lines) is displayed to enable accurate measure-
ment of the problem solution due to parallax and scope distortion
(usually an unavoidable problem on an oscilloscope with a fixed
scale) being completely compensated.
The time axis generator in the oscilloscope can be used as a timer
which controls the interval of repetitive operation when the REP-
OP button on the control panel (CT-251) is pushed. The time
base is discretely changed.
Excluding the cathode ray tube and the rectifier, the circuit is
composed entirely of semiconductors with printed wiring.
Brief Specifications:
Range Vertical 200V, 100V, 50V, 20V F.S.
Range Horizontal
Time base 2s, 1s, 500ms, 200ms,
100ms, 50ms, 20ms and 10ms.
Voltage base 200V, 100V, 50V, 20V, F.S.
Bandwidth 10 KHz
} Brightness Modulation Yes.
21
DIGITAL LOGIC PACKAGE
Mode Matrix
MM-151
Counter Unit
CU-151A
The digital logic package (CL-252) is installed in the control console
(CS-505B) with the removable logic problem board (PP-505D), the
logic power supply (PS-053), the logic control panel (CT-252), and
the unit mount (UM-252). The various types of digital logic
components installed in this package are so designed to provide
wide-range logic control capability for analog program networks
with minimum programing time and with minimum programing |
preconsideration. For instance, voltage level converters which are
supposed to be installed somewhere between the analog and the
logic patch panel are omitted since each logic component is pro-
vided with large-output current capability.
All digital logic outputs are identical with outputs of the timer, the
comparator, and the console mode. A logic ONE is +6V or
greater and a logic ZERO is approximately zero volts, with which
the integrator mode is also controlled.
The Flip-Flop Unit, FF-151A, contains 5 RST flip-flops with a state
indicating lamp individually provided. All flip-flops may be simul-
taneously reset by one signal or by a push button.
The Logic Gate Unit, LG-151A, contains four 2 input AND gates
and four 3 input AND gates with an inverter individually provided.
Any logic gate may be formed by combining these AND gates.
The Counter Unit, CU-151A, contains two decimal counters with
ten indicating lamps each. Each counter is provided with RUN,
22
Ras
Logic Gate Unit
LG-151A
Flip-Flop Unit
FF-151A
CLR (Clear) inputs, and CR (Carry up) output. Only one output
out of ten is a logic ONE, the other nine outputs logic ZERO,
the lamp group so indicating. Driving the RUN terminal from a
logic ZERO TO ONE shifts the counter by one step. If a logic
ONE is supplied to the CLR terminal, the counter will be cleared
and a logic ONE appears at the O output, leaving the remaining
nine outputs as a logic ZERO.
The CR output provides a logic ONE impulse as soon as the counter
is shifted from the 9 output to the 0, output: This impulse may
be used for driving another decimal counter to make a multidigit
decimal figure.
The Mode Matrix. MM-151A, contains 18ch integrator mode driv-
ing inputs. Driving the RS terminal numbered O from a logic
ZERO to ONE causes the integrator 0 to be RESET, if the control
input terminations are connected to the MM outputs (See Page 14).
Driving the CP terminal will cause the integrator to COMPUTE.
If both terminals are fed with a logic ZERO or are open, the in-
tegrator will become HOLD. The MM-151A may be used as a
general purpose trunk.
The Ring Counter Unit, RC-151 is double paneled, and includes
one ring counter, timer input and output terminations, logic mode
input and output terminations, analog console mode input ter-
mintions, and ten general-purpose indicating lamp terminations.
Ring Counter Unit
RC-151A
The operating principle of the ring counter is identical with that
of the CU-151A, except that the ring counter is provided with an
individual SHIFT input and an inverter at each position. The ring
counter may also be controlled by the push-button group located
on the logic control panel (CT-252). (See Page 10)
The counter group, including the CU-151A, may be used as a
shift resistor or as a timer with 0.1 msec. resolution.
The Trunk Unit, TR-153A, contains 8ch A-D trunks and one digital
Trunk Unit
TR-153A
clock set.
comparator output sufficiently to drive the comparator
sufficient! to drive the logic components.
The digitaly clock clock contains a 100 KHz pulse oscillator divided
down to 0.1Hz and providing 10KHz, 100Hz, and 10 Hz outputs.
The clock may be fed to the counter group to form a multidigit
precision timer (5 digits maximum).
A-D tunks include a wave form converter to sharpen the
output
23
ACCESSORIES
24
To facilitate operation of the Hitachi 505 analog computer system,
the following accessories are provided:
a) Patching Kit, PK-505
One patching kit set, PK-505, containing the following various-sized
shielded patch cords and bottle plugs.
Shielded Patch Cords:
PC-012 (10cm, brown) 20 ea.
PC-022 (20cm, red) 40 ea.
PC-042 (40cm, yellow) 20 ea.
PC-062 (60cm, green) 10 ea.
PC-082 (80cm, violet) 5 ea.
PC-102 (100cm, grey) 5 ea.
Shielded Bottle Plugs:
BP-021 (2 pins) 25 ea.
BP-041 (4 pins) 20 ea.
BP-061 (6 pins) 5 ea.
Potentiometer Cover,
Although each potentio-
meter is provided with
a dial lock, misshifting
of set valves still oc-
curs,
To avoid such mishaps,
a cover is provided.
PN-001
The plate with a surface
for easy writing and
erasing is sometimes
needed to
what purpose the po-
tentiometer is being
used for and what the
value is.
memorize
d) Function Generator Setting Unit, FU-051
This is an extender of the VDFG setup unit.
4
e) Test Unit, MU-051
Provided for conducting maintenance on the computer. A com-
ponent check can be performed under operating conditions by this
unit.
AB-505
f) Accessory Box,
Compactly accommodates patch kits and patch boards. A maximum
of 3 patch boards can be stored in the box under a patched
condition.
g) Service Handle
Employed to remove components from the patch bay; also protects
pins while the component is removed.
|
Units | Compt. | Units | Compt. Units | Compt. | Units | Compt.
e P @ PO
WIRED CONSOLE including complete Control Panel,
Output Selector, Overload Indicator, Computer power 1 1 1 1*
supply, and +100V reference system.
pete = fo he | Doe
Dual DC Amplifier, DA-151A 5 10 15 30. | 10 [20 20 40
Quad DC Amplifier, DA-153 ; Se ‘| 10 [40 20 80
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Dual Integrator Network, IN-151 = == 2 4 16 16 32
Lane —— — ih Pa at a
Dual EMC Integrator Network, IN-153
Manual Potentiometer Panel, PT-251 % =) i 1 18
Potentiometer Patch Unit. PT-15T ot ; : : mE
54 6 | 108
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Multiplier, EM-151.
High-accuracy Multiplier, EM-153
5 10 | 10
VDFG, FG-151 with Setup Unit FG-051A & FG-051B
=
NR
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NS
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VDFG, FG-152 with Two Set up Units FG-052 __ iG | = nae:
Trigonometric Function Generator, FG-153A
Square Function Generator, FG-154A 1 4 1 4
Logarithmic Function Generator, FG-155A 1 4 1 4
VDFG, FG-157 with Set-up Unit FG-057
Quad Comparator Amplifier/Relay, CP-151 EF 4 1 4 2 8
Quad Comparator Amplifier/High-Speed Relay, CP-152
Quad Comparator Amplifier/EMC Switch, CP-153
Time Delay Unit, TD-151
Free Diode/Resistor Unit, FD-151A 1 1 1
Niky
“Trunks, TR-151 1 40 1 40
BRID O PO AND G RO f
80
Servo Potentiometer Control Panel, SP-253
Servo Potentiometer Patch Unit, SP-151
Logic Cabinet with Power Supply and Control Panel
Flip-Flop Unit, FF-151A
Logic Gate Unit, LG-151A
Counter Unit, CU-151A
"Mode Matrix, MM-151A
Ring Counter Unit, RC-151A
Trunk Unit, TR-153A
. A f) D
Digital Voltmeter 4 1 1
Oscilloscope, OS-252 1 7 1
A OR
Prepatch Panel, PP-505 4 i rr 2
Logic Prepatch Panel, PP-505D
Patch Kit, PK-505 5
Test Unit, MU-051 4
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Function Generator Setting Unit, FU-051
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© Hitachi, Ltd. Tokyo Japan
Head Office: 4, 1-chome, Marunouchi, Chiyoda-ku, Tokyo 100
Tel. Tokyo (212) 1111 (80 lines)
Cable Address: ‘‘HITACHY’’ TOKYO
Codes: All Codes Used
Inquiries to:
Telecommunications Department
International Division
Nippon Bidg. No. 8, 2-chome, Ohtemachi
Chiyoda-ku, Tokyo
Tel. Tokyo (270) 2111
Cable Address: ‘“‘HITACHY’’ TOKYO {|
CT-E118@ Printed in Japan RK