Keithley 7013-C, Instruction Manual

Page: 17 / 71

2
Relay Switching Basics
2-1
2.1 Introduction
This section covers switching basics and is arranged as
follows:
2.2 Basic switch configuration

Covers the basic
double-pole single-throw (DPST) switch
configuration.
2.3 Multiple pole configurations

Shows how to
use two or more relays together for multiple pole
switching.
2.2 Basic switch configuration (DPST)
A simplified schematic of the Model 7013 switch card
is shown in Figure 2-1. The card consists of 20 indepen-
dent channels. Each channel is made up of a double-
pole single-throw (DPST), normally open (NO) switch.
HI
LO
IN
HI
LO
OUT
One of 20 Channels
Figure 2-1
Model 7013 20-channel switch card (simplified
schematic)