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1.0 GENERAL DESCRIPTION
The VX414C 16/48-Channel Switching Module is a C size, Register based switching card that
provides 16 channels of SPST (Form-A) switching and 48 channels of SPDT (Form-C)
switching. The 16 Form-A channels are rated for up to 5 amps and the 48 Form-C channels are
rated for up to 2 amps.
1.1 PURPOSE OF EQUIPMENT
This module is designed to provide a low cost solution to Form-A and Form-C switching
requirements in VXI test or measurement applications. Typical applications include power
switching, and low-frequency switching and control.
1.2 SPECIFICATIONS
1.2.1 Key Features
•
16 independently controlled single pole, single throw (SPST) non-latching relays
•
48 independently controlled single pole, double throw (SPDT) non-latching relays
•
Dry contact relays and unique circuit board construction provide high current
carrying capacity
•
Read-back of control register state
•
Relay contacts are open on power-up or reset
1.2.2 Electrical
The module re5V and +12V power from the VXI backplane. The typical (quiescent)
module current for the +5 volt supply is TBD amps. The relays require 16 milliamps per closed
relay from the +12 volt supply. Detailed specifications for the relays is provided in Table I.
1.2.3 Mechanical
The mechanical dimensions of the module are in conformance with the VXI bus specification for
single slot Size-C modules. The nominal dimensions are 233.35 mm (9.187 in) high x 340 mm
(13.386 in) deep. The module is designed for a mainframe with 30.48 mm (1.2 in) spacing
between slots.
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Содержание VX414C
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