Communication System Manual 3WN6 Circuit-Breakers
Version 1.0 (05/98) Copyright Siemens AG 1998. All rights reserved. 61
General example:
To read actual phase current L1.
Enter the following codes in the output area (AW 0 - 6) of the DP/RS485 interface (3WN6):
DW no. Value Meaning
AW 0 KF= +00762 Actual phase current L1, parameter identifier
AW 2 KY= 001,000 Parameter subindex
AW 4 KY= 022,000 Integer data value, conversion factor
AW 6 KF= 00000 Read value
and then enter the request identifier to start the transfer of a value (A 0.4 = 1, in AW = 0).
The following signals are available in the status word:
Octet 9: High-order byte of status word
Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8
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Group fault signal
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Group warning signal
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Group error signal
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Phase number for main actual value
0 1 phase 1
1 0 phase 2
1 1 phase 3
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Optional signal
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Load shedding
Ready to close
Octet 10: Low-order byte of status word
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
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Switch ON
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Switch OFF
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Not used
NC NC NC NC Storage spring charged
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