Omron NS7 Series Setup Manual page 191

Errors while Connecting to the Host
Symptoms at
Causes
PT
PT cannot The settings for
communicate Ethernet connec-
with the host. tion, such as node
(An error mes- number, network
sage is dis- number, and IP
played.) address, are not set
correctly.
The protocol set-
tings for the host
and the settings at
the PT do not
match.
The PT is not con-
nected to the host
properly.
For 1:N NT Link
connections, two or
more Units have the
same unit number.
7-3 Troubleshooting and Maintenance
Measures
Set the settings correctly, referring to Section 5 Connecting
to Host via Ethernet or Controller Link.
Set the communications settings using the NS-Designer.
Check that the type, length, and wiring of the connecting
cables meet the specifications.
(Refer to Section 4 Connecting Host to Serial Port.)
Reset so that each Unit has a unique unit number.
(Refer to 6-6 Communications Settings.)
7-9