3472
CAMAC 48-Bit Input Gate Module

The 3472 is a single-width CAMAC module input gate for receiving 48 bits of data from external devices.

The current state of the input is read by two Read commands. An F(0)•A(0) command reads the state of Group A (24 bits), and an F(0)•A(1) command reads the state of Group B (24 bits).

Two input circuit options are provided. The "Contact" option is intended for monitoring switch contacts and the like. Each bit has an input circuit with an open circuit voltage of 16 volts and a short circuit current of 3.5 milliamperes. The switching threshold is approximately +10 volts. The input is filtered with a one millisecond time constant to reduce noise. A closed external circuit is read as a "1". This provides contact "wetting" current as well as a high noise threshold. On the TTL option, input signals are TTL level with internal 2200 ohm pull-up resistors to +5 volts. The TTL input signals are low-true.

CAMAC 48-Bit Input Gate Module: 3472

3472 Data Sheet

Supporting Chassis

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Two connector options are provided. All I/O signals are wired to either a 50-contact, Amphenol ribbon connector on the front panel or a 52-pin, "2D" connector on the rear panel.

CAMAC Module Features

  • 48-Bit Input Gate
  • Options for Contact Monitoring
  • Options for TTL Input Levels

CAMAC Module Ordering Information

3472 Products and Part Numbers
Input Gate, 48-Bits, Contact Input,
50S Amphenol Ribbon Connector
3472-A1A
Input Gate, 48-Bits, TTL Input,
50S Amphenol Ribbon Connector
3472-A1B
Input Gate, 48-Bits, Contact Input,
52P "2D" Amphenol Ribbon Connector
3472-F1A
Input Gate, 48-Bits, TTL Input,
52P "2D" Amphenol Ribbon Connector
3472-F1B