Digital Input/Output Adaptor (Di/Oa); Digital Input/Output Buffer (Di/Ob); Digital Input/Output Controller (Di/Oc) - GE 235 System Manual

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'PU
MEN
Enable the GE-235 to receive information from specialperipherals such a s sensors, readers,
analog devices, etc.
Operate, through the controller selector, simultaneously with the central processor and
standard GE-235 peripherals.
Are custom-tailored to fit special problems of customer's present needs and equipment.
Perform parity checks on all input and output data transfers.
Require only minor circuit changes to adapt the system to new applications in the interface
area.
DIGITAL INPUT/OUTPUT ADAPTOR (DI/OA)
Provides a single, one-directional channel f o r transferring data between the GE-235 and an
external device.
Transfers data at the r a t e of 50,000 twenty-bit words p e r second.
Consists of swing-out modules located within the central processor.
Requires no programming except f o r the use of the SEL P instruction.
DIGITAL INPUT/OUTPUT BUFFER (DI/OB)
Moves data b F e m t w o external buffers and the GE-235.
Transfers data a t the r a t e of 18,000 twenty-bit words per second.
Housed in a cabinet 40-1/8 inches wide, 32-1/8 inches deep, 76 inches high; has its own power
supply.
DIGITAL INPUT/OUTPUT CONTROLLER (DI/OC)
Moves data between the GE-235 and up to 64 external devices.
Transfers data a t the rate of 18,000 twenty-bit words per second.
Housed in a cabinet 40-1/8 inches wide, 32-1/8inches deep, 76 inches high; has i t s own power
supply.
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