DEAR(Sanitized)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04747A001800110036-2
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 13
• Document Creation Date: December 28, 2016
• Document Release Date: September 18, 2002
• Sequence Number: 36
• Publication Date: April 29, 1963
• Content Type: LETTER

STATINTL
Approved FoSlease 2002/11/01: CIA-RDP78B0471001800110036-2
STATINTL
STATINTL
April 29, 1963
Bolling Air Force Base
Washington, D. C.
DECLASS REVIEW by NIMA/DOD
Per your request, we are pleased to submit our proposal for a Digitized On
Line Measuring Equipment System. Each system consists of a control panel,
two each bi-directional counter and register, a synchronizer and format output
control unit. The following paragraphs detail the functions and performance of
these units.
2825A CONTROL PANEL I Dwg. No. 5000-121)
DESCRIPTION OF --L
STATINTL
The 2825A Control Panel is designed for remote operation of the 2827A. Synchronizer
and two 2826A or B Bi-Directional Counters. The following controls and indicators
are provided:
1.1 Display 2 sets of 7 Nixie * indicator tubes (6 numerals 0-9 and ? sign).
To receive drive power from 2826A or B Counters.
1.2 Preset-reset 2 sets of 7 switches to select remotely preset-reset
setting of 2826A or B Counters.
1.3.2 Preset-reset command push-button switch for remote operation of
2826A or B Counter.
1.4.2 Reset to 0 command push-button switch for remote operation of
2826A or B Counter.
1.5.2 Counting direction selector switches for remote selection of
counting direction of 2826A or B Counters.
2.1 16 instruction character pushbutton switches to remotely control
the 2827A Synchronizer (See Para. 4.6 on Synchronizer specification).
2.2 5 readout pushbutton switches to remotely control the 2827A Synchronizer
(See Para. 4.7 on Synchronizer specification).
le 2002/11/01:;,CIA-RDP78B64747A0018601'1~ '
 Page 2
April 29, 1963
Approved FcWlease 2002/11/01 : CIA-RDP78B0470001800110036-2
STATINTL
2825A CONTROL PANEL (Continued)
2.3 Ten 11 position rotary switches to generate remotely special
characters in the 2827A Synchronizer (See Para. 4. 9 of
Synchronizer specification).
2.4 1 transmission indicator light, powered by the 2827A Synchronizer.
DESCRIPTION OF #2826A BI-DIRECTIONAL COUNTER
Dwg. No. 5000-119)
The 2826A Bi-Directional Counter is a 6 digit, bi-directional totalizer which
will register the algebraic sum of the number of input pulses fed into the inputs
A and B.
Input requirements, Channel A and B:
Pulse, 5?sec wide, +1V peak amplitude in reference to 0 volts,
rise time lpsec or less.
Maximum Counting Rate: 100KC May be expanded to 1MC (Option).
Minimum spacing between pulses on either channel: 10?sec.
Preset-reset capability: From 000,000 through 999, 999 by remote selection,
BCD 1-2-4-8 coded switches necessary. Preset voltage supply from counter.
Preset command is remote by contact closure.
Reset capability: To 000, 000, by remote contact closure.
Output specifications: BCD 1-2-4-8. Logic 1= -8Vt2V; Logic 0=-. 5V or less
over 6. 8K series resistor. BCD output is from built-in register.
Storage capability: The counter has a register which will follow the counting
decades until a keying command is issued. Upon this command the information
contained in the register is being held until removal of the keying command. The
keying command is a level change from -6V - -12V to -. 5V - +6. 0 Volts. The
register store BCD coded information, not the 10 line-output to drive the remote
readout.
Readout: Remote, 10-line output to drive standard Nixie* tube.
Counting direction: Normal or reversed by external contact closure.
Approved For Release 2002/11/01 : CIA-RDP78B04747A001800110036-2
 Approved F:elease 2002/11/01: CIA-RDP78B04001800110036-2
STATINTL
I Page 3
April 29, 1963
STATINTL
STATINTL DESCRIPTION OF = 2826B BI-DIRECTIONAL COUNTER
2826B Bi-Directional Counter has the identical specifications, except for
the input specifications.
2826B In ut requirements: 2 sine - or square waves, 90? out of phase min.
amplitude: 90mV Peak-to-Peak.
Input impedance: 5K ohms shunted by 30pf.
Power requirements: 115VAC ?10%, 50/60cps, 60 watts.
_ Dimensions: Approximately 19" x 5 1/4" x 12 1/2" (without connectors)
Rack mount, all connectors on rear panel.
Weight: Approximately 35 lbs. net.
TATINTL
TATINTL DESCRIPTION OF #2827A SYNCHRONIZER & FORMAT OUTPUT CONTROL
Dwg. No. 5000-120)
TATINTL General:
The II#2827A Synchronizer and Format Output Control accepts up to 42 digits
Ah or characters in BCD coded form and converts these into serial form.
1. 1 Speed: 1200 letters per second ?. 001%.
1.2 Input requirements: Up to 42 1-2-4-8 coded parallel inputs. Logic 1 equals
-4. 5 to -12 volts, logic 0 equals -. 5 volts or less into 3. 9K load.
1.3 Receive data lead (RDL): +8 ?2V for space, -8 ?2 for mark into 4. 7 K load.
1.4 Clear to send (CTS) signal: -8V ?2 for Off, +8 ?2V for On into 4. 7K load.
1.5 Interlock to transmission equipment: OV for Off, +8 ?2 for On into 4. 7K load.
1.6 Send Data Lead (SDL): +10 ?2V for space, -10 ?2 V for mark @ 2mA each.
1.7 Request to Send (RTS) signal: -8V ?2V for Off or Hold; +8 ?2V for On
or Transmission.
Approved For Release 2002/11/01 : CIA-RDP78B04747A001800110036-2
 Approved FAelease 2002/11/01: CIA-RDP78B04001800110036-2
STATINTL
D
Page 4
April 29, 1963
TATINTL DESCRIPTION OF #2827A SYNCHRONIZER & FORMAT OUTPUT CONTROL
(Continued)
2.1 In addition to the information bits to be transmitted, two pulsing bits are
generated for each character. A start pulse is a space or (0) and is the
same duration of the other bits. A stop pulse is a mark or (1) and is a
minimum of 1.5 bits in length but may be longer.
3.1 CODE: The code generated will meet the following requirements:
3.2 Code to be used is Field Data Code, consisting of a 6-bit character plus
one parity bit. Parity is odd.
3.3 The 2? or least significant information bit is the first bit to be transmitted
from each character.
3. 4 Parity is to be the 26 bit and is the last information bit of each character.
S
4. 1 MESSAGE GENERATED: The message generated by the Synchronizer
consists of:
4.2 Digital coordinate values for each axis of the system. This shall
normally consist of six decades plus sign per axis.
4.3 A start of message character (SOM).
4.4 An end of transmission character (EOT). (This bit configuration
would normally be a parity error).
4.5 A message parity count (MPC). This is the sum of bits of all
characters transmitted (including SOM and EOT), and is non carry add.
Lateral parity is odd. Longitudinal parity is even. The parity bit is to
be the sum of the longitudinal bits.
4. 6 Four special instruction characters, each generated by four operator
controlled push on, push off back lit switches, two dummy bits (mark or 1),
and a parity bit generated by the equipment based on the condition of the
four switches. The fixed dummy bits occupy the 24 and 25 bit positions.
4. 7 A special readout character generated by five momentary contact push
button switches and two fixed dummy bits occupying the 25 and 26 bit
positions. The dummy bits are spaces or 0's. It is understood that the
parity (26) is to be fixed at 0 so that if two of the five switches are pressed
at the same time, a parity error will be detected. The five switches are
understood as readout switches and also control the request to send, SOM and
text as later described.
Approved For Release 2002/11/01 : CIA-RDP78BO4747AO01800110036-2
 Approved Fcelease 2002/11/01: CIA-RDP78B0477001800110036-2
STATINTL
I :A
Page 5
April 29, 1963
STATINTL
a
a
DESCRIPTION OF
(Continued)
# 2827A SYNCHRONIZER & FORMAT OUTPUT CONTROL
4. 8 Three rotary switches are provided for machine identification purposes.
These switches are to have the capability to create 0 to 9 and are placed
at the rear panel of the synchronizer so that only the maintenance engineers
have the capability to change them.
4. 9 10 special characters, generated by remote switch setting. These switches
have the capability of producing 0 to 9, minus (-).
5.1 SPECIAL CIRCUITS: There is to be no character by character acknowledge
signal received by the digitizer output circuit. However, there is to be a
message acknowledge or error signal received on the basis of the total
message transmitted. The reply consists of SOM, A or E, EOT, and
MPC. In addition, a timer in incorporated in the equipment to trigger an
alarm if the reply is not received in a time of 3 seconds to be specified
by the customer. The output is to be held in the digitizer buffer until an
acknowledge is received or the timer alarm is triggered. If an error
signal is received due to a bad transmission, the timer is reset and
another attempt at transmission is made. If, after a set number of attempts
of retransmission (under computer control), an acknowledge or error
signal is not returned, the timer will time out. If a read-out is initiated
but no acknowledge or error signal is received, the timer will also time
out, warning the operator that the transmission is not taking place.
In addition, an indicator light is to be placed on the control panel in close
proximity to the readout switches. On depressing any one of the five
readout switches the light is to turn on and remain on for approximately one
second or until an acknowledge signal is received, which ever is longer,
This will indicate to the operator that a readout has been initiated within
the digitizer.
The price for the Model 2826A Bi-Directional Counter (2 required) is
The price for the Model 2826B Bi-Directional Counter 2 required) is
The price for the Model 2827A Synchronizer is
The price for the Model 2825A Control Panel is
STATINTL
STATINTL
Approved For Release 2002/11/01 : CIA-RDP78BO4747AO01800110036-2
 Approved F 2elease 2002/11/01: CIA-RDP78B041A001800110036-2
STATINTL
Page 6
April 29, 1963
STATINTL
46
STATINTL
a
All prices are FOB Delivery of the first system is
120 days after receip o order. a seconc system, 130 days after receipt of
order. Terms are net 30 days.
If further information and/or comment is desired, please do not hesitate to contact
us.
Very truly yours,
Regional Sales Manager
MGS:bg
Enclosures
Approved For Release 2002/11/01 : CIA-RDP78B04747A001800110036-2
 Approved Fcelease 2002/11/01: CIA-RDP78B047,001800110036-2
STATINTL
Toes April 30, 1963
Digital Counter for measuring Machines, (proposal)
As of Tues. April 30, 1963
STATINTL I dij not set his proposal
finished Friday, it went out. Monday. He went into
quite a bit of detail on the specifications of
each unit involved,
following:
3TATINTL
STATINTL
STATINTL
For an
A ooaplete counter consists of the
measuring machines
I sa Control Panel, Model 2825 A
2 ?a Counter , Model 2826 A
I ea Synchronizer, Model 2827 A
measuring machine:
.1 ea Control Panel, Model 2825 A
! sa Counter , Model 2826 B
I ea Synchronizer , Model 2827 A
A Z?axia, sount can be added by adding a counter
(a variation of the model 2826) and a set of
.digit nixi es on the control panel or ad jaoeQt
to it.
Approved For Release 2002/11/01 : CIA-RDP78BO4747AO01800110036-2
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IApproved For Re ease 2002/11/01: CIA-RDP78 v 47
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 Approved For Release 2002/11/01 : CIA-RDP78BO4747AO01800110036-2
Approved For Release 2002/11/01 : CIA-RDP78BO4747AO01800110036-2
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Approved For Release 2002/11/01 : CIA-RDP78BO4747AO01800110036-2
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STATINTL
DIMENSIONS IN INGHES
DRAWN
DATE
TITLE
IrOLERANCE3 UNLESS SPECIFIED
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DATE
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SCALE
ase 2002/1
JOd NO. NEXT ASSY.
/01 : CIA- DP78B04747A001800
0036-2
SPECIAL CHARACTEF~,S
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 Approved For:Release 2002/11/01 : CIA-RDP78BO4747AO01800110036-2
141w, VqV
SECRET
(When Filled In)
Io Contractor
A. Name and address:
25X1A
25X1A
B. Evaluation of previous performance. rL r eco
IIe Brief description of this procurement: