Omron DRT1 Series - Page 280

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