Versions of CAD4 systems
 
version serial 
gonio
538-...		 serial 
Interface		 Remarks
CAD4
A 538 + 544 interface 538-1-15 544-1-15 old Only for PDP8 omnibus. Is not in service anymore. Most are upgraded to version C with LSI-11 or Falcon(+). Upgrade is not possible anymore.
B 538 + 546 interface 
Old		 538-16-19 546-1-3 new With black cables to the goniometer and only a red shutter lamp..
C 538 + 546 interface 
New		 538-20-38  546-4-16 new With gray cables to the goniometer and red and green shutter lamps
D 538 + 546 interface 
Turbo
Processor set
None. Connected to the (omni)bus
of a PDP8 computer		 538-1-15 544-1-15 old
LSI 11 with memory board (M7270)  538-16-22 546-1-5 new
FALCON with memory board (M8063)  538-22-26 546-6-11 new Most boards are different from LSI 11 version
FALCON+  (M7676)  538-26-38 546-11-24 new The same as Falcon but without memory board and anothre EPROM on Personalty module
 
version Generators Electronics for HV, 
Motordrive, shutter
A1 612, 584, or 585 Tabel unit 544.640 table For CAD4 version A
A2 Tabel unit 544.641 table For CAD4 version A
B1 586 Control rack 586.310 rack For CAD4 version B (old)
B2 Control rack 586.330 rack For CAD4 version C (new)
C1 590 GCU 590.820 rack For CAD4 version C (new)
C2 GCU 590.821  rack Also for CAD4 version D (Turbo)
D1 GX21 / 571 / 591 Substition unit 539.840  ? ?
D2 Substition unit 539.841 table  For CAD4 version C (new)
D3 Substition unit 539.842 table Also for CAD4 version D (Turbo)
D4 GCU 1538.840  table Table version of 590.821
G1 Other  Substition unit 539.841 table

Boards (see also programmable IC's)
 
Part number board number board name Versions
0546.600 2557.050 Motor generator brd
2557.072 Motor generator brd Can be used in all equipment with PAL: MOT1B
0546.601 2554.422 Power supply brd For LSI-11. Cannot be used with Falcon/Falcon+
2557.077 Power supply brd For Falcon/Falcon+. Cannot be used with LSI-11
0546.602 2554.407 Radiation det. brd Old version. Is noisier, so don't use for later equipment
0546.604 2557.059 Bus interface brd Old version. Cannot be used with Falcon/Falcon+ (PCN 14)
0546.605 2557.060 Encoder read-out brd
2557.069 Encoder read-out brd For LSI-11
2557.088 Encoder read-out brd For Falcon/Falcon+. Can be used for all equipment
0546.606 2554.257 Personality module
2554.419 Personality module
0546.612 2557.068 Radiation detec. brd Interface series 5 (LSI-11). Cannot be used with Falcon/Falcon+
2557.075 Radiation detec. brd Interface series 6 (Falcon) and higher. Can also be used in older equipment
0546.614 2557.076 Bus interface brd. For Falcon/Falcon+. LSI-11 needs adaption (PCN 24)
0546.616 2554.624 Personality module Can be used with all equipment with the right PAL's