4-1 1:1 Host Connection
4-9
• Connecting to CVM1/CV Series (-V@) PLCs
PLC Setup
Using RS-232C/RS-422A
When using CVM1/CV-series PLCs, always set the Execute Process (Execute Control 2) in
the PLC Setup to synchronous execution.
Setting the Front Panel DIP Switch
Set the DIP switch on the front panel, as shown in the following diagram.
Switch setting
Switches between RS-232C and RS-422A
Communications setting (DIP switch pin 3)
Set pin 3 to ON (NT Link communications used).
Terminating resistance setting (DIP switch pin 6, for
RS-422A only)
Set pin 6 to ON (terminating resistance used).
Communications path
switch
(RS-232C-to-RS-422A)
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