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Glossary
Analog input The device EZ-AB, EZ-DA and EZ-DC are provided with the
two (EZ500) and four (EZ700) analog inputs I7, I8 and I11,I12.
The input voltage range is 0 V to 10 V. The measuring data is
evaluated with the integrated function relays.
Circuit diagram elements As in conventional wiring, the circuit diagram is made up of
circuit elements. These include input, output and marker
relays, plus function relays and P buttons.
Connect mode Connect mode is used to wire up the circuit elements in your
EZ circuit diagram.
Contact behavior The contact behavior of any circuit element can be defined as
either a break contact or a make contact. Break contact
elements are identified by a line above the identifier
(Exception: jump).
Entry mode Entry mode is used to input or modify values when creating
circuit diagrams or setting parameters, for example.
Function relays Function relays can be used for complex control tasks. EZ
features the following function relays:
• Timing relay
• 7-day time switch
• Year time switch
• Counter, up/down, high-speed, frequency
• Analog value comparator/threshold value switch
• Operating hours counter
•Master reset
• Text marker relay
EZ500_700.book Page 277 Tuesday, May 3, 2005 5:15 PM
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