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1#0/7%24.ETWORKANALYSER5SERMANUAL
English
Preset multiple register
HEX
&UNCTIONUSEDTOPROGRAMMEANUMBEROFhHOLDINGvREGISTERS
3EELISTOFHOLDINGREGISTERSINh2EADHOLDINGREGISTER vSECTION
Communication errors detected
h.ORESPONSEv$ATAFORMATERROR#2#ERRORETCITISTHEREFORENOTPOSSIBLETOBECERTAIN
THATTHEMESSAGEISCORRECTLYADDRESSED
h%XCEPTIONRESPONSEv4HEPOSSIBLEERRORCODESARE
01 – illegal function
02 – illegal data address
03 – illegal data value
Serial communication times
4HECOMMUNICATIONPROTOCOLHASNORESTRICTIONSWITHREGARDTOTHERESPONSETIMEOFA
SLAVEDEVICEINTERROGATEDBYAMASTERTIME4 ORWITHREGARDTOTIME4THATISTHE
TIMELAPSINGBETWEENTHEENDOFARESPONSEANDTHESTARTOFANEWINTERROGATIONBYTHE
MASTER
Master
Slave
Response message
Next request message
1
2
n
T1
T2
T3
Request message
(OWEVERTHESEPARAMETERSTAKEONPARTICULARIMPORTANCEINTHESETTINGUPOFANETWORK
MADEUPOFALARGENUMBEROFINSTRUMENTSINFACTIF4AND4ARENOTRESTRICTEDBY
DETERMINEDMAXIMUMVALUESTHETIMENEEDEDBYTHEMASTER0# TOINTERROGATETHE
ENTIRERATEMAYBEEXCESSIVE)TISALSONECESSARYTOSETTHEMINIMUMVALUESTOAVOID
PROBLEMSOFCONFLICTBETWEENDIFFERENTDEVICES4HEACCEPTEDVALUESARELISTEDINSIDE
THISTABLE
Summary of Contents for QC-POWER-T-485
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