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9 Glossary of terms
Operating instructions
05/10 MN05013003Z-EN
www.eaton.com
227
9 Glossary of terms
Analog input
The device easy-AB, easy-DA and easy-DC are provided with the two
(easy500) and four (easy700) analog inputs I7, I8 and I11,I12. The input
voltages are between 0 V and 10 V. The measuring data is evaluated with the
integrated function relays.
Output
You can connect various loads to the four easy outputs, such as contactors,
lamps or and motors. In the easy circuit diagram the outputs are controlled via
the corresponding output relay coils Q1 to Q8 or S1 to S8.
Operator buttons
easy has eight operating buttons. These are used to select menu functions and
create circuit diagrams. The large round button in the middle is used to move
the cursor.
DEL
,
ALT
,
ESC
and
OK
all perform additional functions.
Operating Mode
easy has two operating modes: RUN and STOP. RUN mode is used to process
your circuit diagram (with the controller running continuously). In STOP mode
you can create your circuit diagrams.
Remote expansion
I/O expansion with the expansion unit (e.g. EASY620-DC-TE) installed up to
30 m away from the basic unit. The EASY200-EASY coupling unit is fitted to
the basic unit. The input and output data is exchanged between expansion and
basic unit via a two-wire cable.
Entry mode
Entry mode is used to input or modify values. when creating circuit diagrams or
setting parameters, for example.
Input
The inputs are used to connect up external contacts. In the circuit diagram,
inputs are evaluated via contacts I1 to I12 and R1 to R12.
easy-AB, easy-DA and easy-DC can also receive analog data via the inputs I7,
I8 and I11, I 12.
Function Relays
Function relays can be used for complex control tasks. easy features the
following function relays:
•
Timing relay,
•
Week time switch,
•
Year time-switch,
•
Counter, up/down, high-speed, frequency,
•
Analog value comparator/threshold value switch,
•
Operational time counter,
•
Master reset,
•
Text.
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).
Retentive data
See Retention.
Parameters
Parameters enable the user to set the behavior of function relays. The relevant
parameters apply for switch times or counter setpoints. They are set in the
parameter display.
Содержание easy500, easy700
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