Eaton PROFIBUS-DP EZ204-DP User Manual Page 196

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Wiring with EZ
MN05013003E192
How are all the storage locations cleared?
When I3 is activated, all the R coils of storage locations M1 to
M4 are reset, i.e. the coils are deactivated. Since the reset
was entered at the end of the circuit diagram, the reset
function has priority over the set function.
How can the value of a storage location be transferred?
Use the make or break contact of storage locations M1 to M4
and wire them to an output relay or in the circuit diagram
according to the task required.
Running light
An automatic running light can be created by slightly
modifying the shift register circuit.
One relay is always switched on. It starts at Q1, runs through
to Q4 and then starts again at Q1.
The marker relays for storage locations M1 to M4 are replaced
by relays Q1 to Q4.
The shift pulse I1 has been automated by the flasher relay T1.
The cycle pulse M8 remains as it is.
On the first pass, the value is switched on once by break
contact M9. If Q1 is set, M9 is switched on. Once Q4 (the last
storage location) has been switched on, the value is passed
back to Q1.
Try changing the times.
T1 Ü S +
I1 00.500
I2 00.500
EZ500_700.book Page 192 Tuesday, May 3, 2005 5:15 PM
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