KEYENCE KV Series - Manual (Page 229)

Appendices
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Appendices
Appendix J Countermeasures for Frequent Communication
Errors
Check the following points if communication errors frequently occur while you
monitor the KV Series with the LADDER BUILDER for KV.
Note: Each parameter setting may vary depending on the computer. For setting
details, refer to the instruction manual supplied with your computer or ask the
manufacturer of the computer.
● Does the Windows system allow the use of a specific communication port?
Check that Windows has enabled the communication port specified with the
LADDER BUILDER for KV.
● Isn’t a modem assigned to a specific communication port?
Some personal computers may assign a modem to a communication port. If so,
disconnect the modem or use another communication port.
● Isn’t a serial mouse assigned to a specific communication port?
If you use a laptop computer with a serial mouse and replace the mouse with a
communication cable to start communication, the communication port is not
enabled. To solve this problem, if your computer has another available communi-
cation port, specify that port with the LADDER BUILDER for KV. If there is no
available communication port, disconnect the mouse and restart the KV unit.
● Isn’t infrared communication specified?
Some personal computers may specify infrared communication for the communi-
cation port. In this case, if your computer has another available communication
port, specify that port with the LADDER BUILDER for KV. If there is no available
communication port, cancel the infrared communication setting.
● Isn’t the Suspend function activated?
If the Suspend function is activated with Windows 95, the communication will fail.
Do not use the Suspend function.
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