2
Relay Switching Basics
2
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1
Introduction
This section covers the basic single-pole, single-throw
(SPST) switch configuration
Basic switch configuration (SPST)
A simplified schematic of the Model 7036 switch card is
shown in Figure 2-1. The card consists of 40 independent
channels. Each channel is made up of a single-pole, single-
throw (SPST), normally open (NO) switch.
Figure 2-1
Model 7036 40-channel switch card (simplified s hematic)
IN 1
OUT 1
One of 40 Channels
