KEYENCE Visual KV Series - Manual (Page 282)

7.5 KV Mode Programming KV-300 Series Only
KV
-300
KV-10/80
Chapter 7 KV-L2 Serial Interface Module
1-258
7
■ Communications start command
Initiates communications between the KV-L2 and a personal computer.
Command: CR_nn
[nn = Station no. (not required for 1:1 connection)]
Response: CC_nn
■ Communications end command
Terminates communications between the KV-L2 and a personal computer.
Command: CQ
Response: CF
■ Mode change command
Switches the KV-300 CPU mode between PROGRAM and RUN.
Command: Mn
[n=0: PROGRAM mode, n=1: RUN mode]
Response: OK
■ Clears error messages on the KV-300 CPU.
Command: ER
Response: OK
■ Checking CPU error
The KV-300 CPU responds with error codes indicating errors or faults in the KV-300
CPU.
Command: ?E
Response: dd
[dd: error code]
(Refer to P. 115 for error code list.)
■ Inquiring model
The KV-300 CPU responds with the model no. of the KV-300 module currently in
use.
Command: ?K
Response: K300
(When KV-300 CPU is in use.)
■ Checking current mode
The KV-300 CPU responds with 0 or 1, indicating the current mode.
Command: ?M
Response: 0, 1
[0: PROGRAM mode, 1: RUN mode]
■ Reading counter
Reads contact ON/OFF status and current and preset values of the specified
counter.
Command: RD_Cnnn
[nnn = counter no.] Reads the content of a counter or
an up/down counter.
RD_CTHn [n = high-speed counter no.] Reads the content of a
high-speed counter CTH.
RD_CTCn [n = high-speed counter comparator no.] Reads the
content of a high-speed counter comparator.
Response: f,ddddd,ddddd [f = 0, 1: ON/OFF status of counter contact
(current value) 0: OFF, 1: ON]
(preset value) [ddddd = 00000 to 65535 (in decimal)
■ Reading timer
Reads contact ON/OFF status and current and preset values of the specified timer.
Command: RD_Tnnn
[nnn = timer no.]
Response: f,ddddd,ddddd [f=0, 1: ON/OFF status of a timer contact
(current value) 0: OFF, 1: ON]
(preset value) [ddddd = 00000 to 65535 (in decimal)]
KVHKA Chap 07_5to10.p65 08.3.11, 11:18 AM 258