Omron DeviceNet CV Series Operation Manual page 281

RS-232C Units
264
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Indicator Color
NS Green ON
(Network
status)
Flashing Offline/com-
Red ON
Flashing Non-fatal
--- OFF
ERR Red ON
OFF
RD1 Orange ON
OFF
SD1 Orange ON
OFF
RD2 Orange ON
OFF
SD2 Orange ON
OFF
Status
Online/com- Normal Network status
munications (Communications connection estab-
connection lished.)
established
The Network is normal, but the com-
munications munications connection is not estab-
connection lished.
not yet
established
Fatal com- A fatal communications error has
munications occurred.
error Network communications are not
possible. Check for a node address
duplication or Bus Off error.
A communications error with the
communica- Master Unit has occurred.
tions error
Offline/ The power supply to the Master Unit
power OFF is not ON, etc.
Unit error Unit hardware error.
Normal Unit hardware is normal.
Port 1 receiv- Data is being received at
ing RS-232C port 1.
Port 1 not No data is being received at
receiving RS-232C port 1.
Port 1 trans- Data is being transmitted from
mitting RS-232C port 1.
Port 1 not No data is being transmitted from
transmitting RS-232C port 1.
Port 2 receiv- Data is being received at
ing RS-232C port 2.
Port 2 not No data is being received at
receiving RS-232C port 2.
Port 2 trans- Data is being transmitted from
mitting RS-232C port 2.
Port 2 not No data is being transmitted from
transmitting RS-232C port 2.
Section 6-2
Meaning