User Manual
Appendix E
GFK-2849A
Oct 2019
Protocol Implementation extra Information for Testing (PIXIT)
149
Description
Value / Clarification
d.
S4_SR350_DevSR350.XCBR1_Pos.Cancel_
ctlVal_CO.ReadVal
<additional items>
CANCEL operation on PPV
If the user has to write a value to such a writable
data attribute, then the following steps needs to
be execute in RX3i controller logic:
1.
Step1
: Provide a transition from “0” to “1”
in the PPV with extension (†.CANCELCmd)
to trigger the transfer of written value to
the IED.
e.g.
S4_SR350_DevSR350.XCBR1_Pos.Cancel_
ctlVal_CO.CANCELCmd
2.
Step2: Check the PPV with extension
(†.CANCELSts)
for status code.
e.g.
S4_SR350_DevSR350.XCBR1_Pos.Cancel_
ctlVal_CO.CANCELSts
[CANCELSts returns code:
0: BUSY
1: DONE
2: ERROR ]
3.
Step3: Check the PPV with extension
(†.CANCELRslt) for success (1).
e. g
S4_SR350_DevSR350.XCBR1_Pos.Cancel_
ctlVal_CO.CANCELRslt
[ CANCELRslt > 0, it returns IEC 61850
AddCause
CANCELRslt < 0 internal error code:
-1, wrong parameter
-2, driver not loaded -
-3, write command cannot be
issued (e.g. not valid server)]
4.
Step5: check that the written value has
been updated in the PPV with extension
(†.ReadVal)
e.g.
S4_SR350_DevSR350.XCBR1_Pos.Cancel_
ctlVal_CO.ReadVal
