Eaton PROFIBUS-DP EZ204-DP User Manual Page 100

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Wiring with EZ
MN05013003E96
A function relay is started via its relay coil or by evaluating a
parameter. It switches the contact of the function relay
according to its function and the set parameters.
Example with function relay timer and counter relay
A warning light flashes when the counter reaches 10. The
example shows function relays C1 and T1. The S1 pushbutton
actuator is used for the count signal. The S2 pushbutton
actuator resets counter P1.
T3,
TT3, RT3, HT3
Ü
Timing relay, flashing
:2,
Ä:2
Jump
Y3 Year time switch, date
Z1, Z3 Master reset, central reset of outputs,
markers
EZ circuit diagram
symbol
Function relays
J
Current actual values are cleared if the power supply is
switched off or if EZ is switched to STOP mode.
Exception: Retentive coils keep their logic state (
J section
“Retention (non-volatile data storage)”, page 226).
Attention!
The following applies to RUN mode: EZ processes the
function relays after a pass through the circuit diagram. The
last state of the coils is used for this.
Only use the coil of a function relay once. Exception: When
working with jumps, the same coil can be used several
times.
EZ500_700.book Page 96 Tuesday, May 3, 2005 5:15 PM
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