Omron V700-HMD13 series - Page 53

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V700-L21
User's Manual
Section 4
4.4 Message specifications
Section 4
SECS Protocol Specifications
S18,F3 Write attribute request S,H→E,reply
L,2
1.<TARGETID> Fixed at "00"
2.L,n
1.L,2
1.<ATTRID1>
2.<ATTRVAL1>
n.L,2
1.<ATTRIDn>
2.<ATTRVALn>
• Since all the HEAD attributes with the CIDRW are R0, the TARGETID is fixed at "00".
S18,F4 Write attribute acknowlegde S,H←E
L,3
1.<TARGETID> Fixed at "00"
2.<SSACK>
3.L,s
1.<STATUS1>
.
s.<STATUSs>
• When the specified target is invalid (head):
s=0, SSACK = CE (communications error)
• When one or more undefined attributes or R0 attributes are included:
s=0, SSACK = CE (communications error)
• When illegal attribute data is specified:
s=0, SSACK = CE (communications error)
• When SSACK is other than NO (normal), the List of Status will take a list structure with which the number of items is 0.