Table of Contents
Advertisement
Indicator Status
MS
NS
Green
Red
or
Red
Green
Green
Green
Green
Meaning
Communi-
An error occurred
cations
that disables com-
error
munications.
Normal
No error occurred,
status (No
but communications
data com-
have not been es-
munica-
tablished with the
tions)
Master.
Normal
Normal communi-
status
cations have been
(Data
established.
communi-
cations
estab-
lished)
9. Fault Diagnosis
Cause
Corrective Action
• Check whether the
MAC ID is dupli-
cated in another
device in the
DeviceNet network.
• Check that the Mas-
ter is operating prop-
erly.
• Check that the termi-
nators are properly
connected to the
communications
line.
• Check that the com-
munications lines
are properly con-
nected. (Check for
cable damage and
bad connections.)
• Check that the com-
munications lines
are separated from
the main circuit wir-
ing.
When necessary, send
Explicit message or I/O
message communica-
tions from the Master.
-
219
Advertisement
Chapters
Table of Contents
