Eaton PROFIBUS-DP EZ204-DP User Manual Page 181

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Master reset
For more information visit: www.EatonElectrical.comMN05013003E 177
Operating modes
The different coils of the master reset have different operating
modes
Z1: For Q outputs: controls outputs Q1 to Q8 and S1 to S8.
Z2: For markers M, N: controls the marker range M1 to M16
and N1 to N16.
Z3: for outputs and markers: controls Q1 to Q8, S1 to S8,
M1 to M16 and N1 to N16.
Function of the master reset function relay
A rising edge or the 1 signal on the coil will reset the outputs
or markers to 0, depending on the operating mode set. The
location of the coil in the circuit diagram is of no importance.
The master reset always has the highest priority.
The contacts Z1 to Z3 follow the status of their own coil.
Example: resetting outputs
All outputs that you have used can be reset to 0 with one
command.
A rising edge at the coil of Z1 will cause all Q and S outputs to
be reset.
Example: resetting markers
All markers that you have used can be reset to 0 with one
command.
A rising edge at the coil of Z2 will cause all markers M and N
to be reset.
I8-------ÈZ1
I5-------ÄQ1
I2-M1-T1-SS3
M3uC1----SQ3
M4b
I8-------ÈZ2
I5-------ÄM1
I2-M1-T1-SN3
M3uC1----SM8
M4b
EZ500_700.book Page 177 Tuesday, May 3, 2005 5:15 PM
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