Omron NV3W Connection Manual page 101

Connecting through a KV-L20R/V (KV-3000/5000-series Unit)
Note
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KV-L20R Settings (Port 1)
Item
Operating mode KV mode (host link)
Baud rate 9,600 bps, 19,200 bps, 38,400 bps, 57,600 bps, or 115,200 bps
RS/CS flow control None
(1) Use port 1.
(2) Use the Unit Editor included with the KV Builder to set the KV-L20R/V.
Section 8-7
Setting
79