KEYENCE Visual KV Series User Manual
Page 336

7.2 Serial Communication
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7
Chapter 7 Serial Communication
■ Reading counter
Reads the contact ON/OFF status, or the current and preset values of the specified
counter/up-down counter.
Command: RD_Cnnn
Counter No.
Response: f,ddddd,ddddd
[Preset value of the counter (00000 to 65535: in
decimal)]
[Current value of the counter (00000 to 65535: in
decimal)]
0: Contact is OFF., 1: Contact is ON.
■ Reading high-speed counter CTH
Reads the contact ON/OFF status, or the current and preset values of the specified
high-speed counter CTH.
Command: RD_CTHn
High-speed counter No. (0 or 1)
Response: f,ddddd,ddddd
Preset value of CTH (00000 to 65535: in decimal)
Current value of CTH (00000 to 65535: in decimal)
0: Contact is OFF., 1: Contact is ON.
■ Reading high-speed counter comparator CTC
Reads the contact ON/OFF status, or the current and preset values of the specified
high-speed counter comparator CTC.
Command: RD_CTCn
High-speed counter comparator No.
Response: f,ddddd,ddddd
Preset value of CTC (00000 to 65535: in decimal)
Current value of CTC (00000 to 65535: in decimal)
0: Contact is OFF., 1: Contact is ON.
■ Reading timer
Reads the contact ON/OFF status, or the current and preset values of the specified
timer.
Command: RD_Tnnn
Timer No.
Response: f,ddddd,ddddd
Preset value of timer (00000 to 65535: in decimal)
Current value of timer (00000 to 65535: in decimal)
0: Contact is OFF., 1: Contact is ON.
■ Reading digital trimmer
Reads the preset values of the digital trimmers.
Command: RD_AT
Response: ddddd_ddddd_00000_00000
Value of trimmer 1 (00000 to 65535: in decimal)
Value of trimmer 0 (00000 to 65535: in decimal)
■ Reading relay contact
Reads the contact ON/OFF status of the specified relay.
Command: RD_nnnn
Relay No.
Response: f
0: Contact is OFF., 1: Contact is ON.
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