
7.2 Serial Communication
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7
Chapter 7 Serial Communication
7.2.3 Communication Command/Response List
The following list shows the commands and responses used in serial communica-
tion. "_" in the list represents a space.
no i t cnuFdn a mm o Cesnops eRno i t p i r cseD
.noi tac inummocst ratSRCCC
. no i t ac i nummocsdnEQCFC
. edomsegnahCnMKO
e d o mMARGOR P : 0= n
e d omNUR : 1
. ror resraelCREKO
. ror reCLPskcehCE?dd)ror reoN:00(edocror rE=dd
. edomCLPt ne r r ucskcehCM?f
e d o mMARGOR P : 0= f
e d omNUR : 1
r e t nuoCnn nC_DR
ddddd, ddddd, f
↑↑
)eu lavteserP()eul avtner ruC(
NOtcatnoC:1,FFOtcatnoC:0=f
) l ami cedn i (53556o t00000=dddddd
.oNretnuoC=nnn/n
deeps - hg i H
HTCr e t n u o c
nHTC_DR
deeps - hg i H
r e t nuoc
CTCrotarapmoc
nCTC_DR
sdaeRrem i TnnnT_DR
ddddd, ddddd, f
↑↑
)eu lavteserP()eul avtner ruC(
NOtcatnoC:1FFOtcatnoC:0=f
) l ami cedn i (53556o t00000=dddddd
. oNr emi T=nnn
remmi r tlat igiDTA _ DR
00000_00000_ddddd_ddddd
↑↑
)1remmi rT()0remmi rT(
) l ami cedn i (53556o t00000=dddddd
. 1dna0r emmi r t f oseu l avt ese r psdaeR
t ca t nocya l eRnnnnn_DRf NOtcatnoC:1,FFOtcatnoC:0=f
y r omema t a Dnn n nMD_DR
ddddd
) l ami cedn i (53556o t00000=dddddd
. oNMD=nnnn
atadyraropmeT
y r omem
n nMT _ DR
t ne r r ucr e t nuoC
eulav
ddddd_nnnC_RW
KO
r e t nuoc / r emi T=nnn / n
) l ami cedn i (53556o t00000=dddddd. oN
tner rucremiT
eulav
ddddd_nnnT_RW
t n e r r u cHTC
eulav
ddddd_nHTC_RW
s e t i rW
teserpretnuoC
eulav
.2
ddddd_nnnC_SW
KO
r e t nuoc / r emi T=nnn / n
) l ami cedn i (53556o t00000=dddddd. oN
teserpremiT
eulav
.2
ddddd_nnnT_SW
t e s e r pCTC
eulav
.2
ddddd_nCTC_SW
y r omema t a Dddddd_nnnnMD_RW
KO
) l ami cedn i (53556o t00000=dddddd
. oNMD=nnnn , nn
atadyraropmeT
y r omem
ddddd_nnMT_RW
yaleRnnnnn_TS
KO
. oNya l eR=nnnn
. oNr e t nuoc / r emi T=nnn
NOsec r oFtcatnocretnuoCnn nC_ TS
t ca t nocr emi TnnnT_TS
yaleRnnnnn_SR
KO
. oNya l eR=nnnn
. oNr e t nuoc / r emi T=nnn
. oNCTC= n
tcatnocretnuoCnn nC_SR
FFOsec r oFtca t nocr emi TnnnT_SR
deeps - hg i H
r e t nuoc
CTCrotarapmoc
t ca t noc
nCTC_ SR
Note 1: Temporary data memories TM28, TM30, and TM31 are read-only. Values cannot be written into
these memories. However, these memories can be used when special functions are not used.
Note 2: Visual KV Series: When the preset values of timers and counters are changed using "WS", the
ladder program in EEPROM is updated the next time the KV is turned on.
KV-300, 10/80 Series: The "WS" command changes the content of the program stored in the
PLC’s EEPROM.
➮ Contact Keyence if you need to change it frequently.
KVNKA Chap 07.p65 08.3.11, 0:11 PM310
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