User Manual
7.10 Command List
KV-300 Series Only
KV-300
KV-10/80
Chapter 7 KV-L2 Serial Interface Module
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7.10 Command List
7.10.1 List of Commands and Responses
Function Command Response Remarks
Starts communications CR_nn CC_nn nn = Station no. (00 to 09, 15)
Specify in decimal value
(not required for 1:1 connection)
Ends communications CQ CF
Changes mode of Mn OK n=0: PROGRAM mode
KV-300 CPU n=1: RUN mode
Error clear mode ER OK
Checks CPU error ?E dd dd: Error code (No error: 00)
Inquires model ?K K300
Checks current mode ?M 0 O: PROGRAM mode
1 1: RUN mode
Reads counter RD_Cnnn f,ddddd,ddddd f=0, 1
RD_CTHn (current value) (preset value) 0: contact OFF
RD_CTCn 1: contact ON
ddddd=00000 to 65535 (in decimal)
n/nnn=counter no.
Reads timer RD_Tnnn f,ddddd,ddddd f=0, 1
(current value) (preset value) 0: contact OFF
1: contact ON
ddddd=00000 to 65535 (in decimal)
nnnn=timer no.
Reads analog timer RD_AT ddddd_ddddd_00000_00000 ddddd=00000 to 00249 (in decimal)
(Trimmer 0) (Trimmer 1) Reads values of trimmers 0 and 1.
Changes current value* WR_Cnnn_ddddd OK n/nnn: counter/timer no.
of timer/counter WR_CTHn_ddddd ddddd=00000 to 65535 (in decimal)
WR_Tnnn_ddddd
Changes preset value WS_Cnnn_ddddd OK n/nnn: counter/timer no.
of timer/counter WS_CTCn_ddddd ddddd=00000 to 65535 (in decimal)
WS_Tnnn_ddddd
Reads relay contact RD_nnnnn 0 0: contact OFF
1 1: contact ON
Forces contact ON ST_nnnnn OK nnnnn=relay no.
ST_Cnnn nnn=counter/timer no.
ST_Tnnn
Forced contact OFF RS_nnnnn OK nnnnn=relay no.
RS_Cnnn nnn=counter/timer no.
RS_CTCn n=high speed counter comparator no.
RS_Tnnn
Reads DM RD_DMnnnn ddddd ddddd=00000 to 65535 (in decimal)
Writes into DM WR_DMnnnn_ddddd OK ddddd=00000 to 65535 (in decimal)
nnnn=DM no.
Reads TM RD_TMnn ddddd ddddd=00000 to 65535 (in decimal)
nn=TM no.
Writes into TM WR_TMnn_ddddd OK ddddd=00000 to 65535 (in decimal)
nn=TM no.
List of commands and responses used for serial communications in KV mode
Note 1: An underscore (_) in the command represents a space.
Note 2: M30 and TM31 are read-only memories; values cannot be written to them.
* The "WS" command changes the content of the program stored in the PLC's EEPROM. Contact if you
need to change it frequently.
KVHKA Chap 07_5to10.p65 08.3.11, 11:18 AM308