User manual

Publication CIG-WD001B-EN-P - May 2005

Preface 2

Abbreviations

In these diagrams we used the following abbreviations:

Symbols

In these diagrams we used the following symbols:

no normally open (contact outputs)

nc normally closed (contact outputs)

n.c. no connection (do not connect to this terminal)

ac power source

ac/dc power source

dc power source

output load

current-signal analog sensor

voltage-signal analog sensor

RTD

thermocouple

3-wire proximity sensor

4-wire proximity sensor

hard-contact switching devices

TTL switching device

Prox

TTL