CPC 810-1020 매뉴얼 - 페이지 7

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페이지 인쇄
MONITORING
1.
L6O2
Network Monitoring
To see
if the
Network
is operating after
rProgramming
the
Network
Setpoints"
and
frProgramming
the
1-602
Inputslr,
select
rrlnputsrr from
the
1602ts
ttMain
Menurf
.
Now
select
rrPresent Analogrr
or
rrPresent
Digitaltt
and
notice
the
headings.
The headings
displays
an
ONLINE
or
OFFLINE
status
for
each l-6AI
board. ff a
16AI board
is
OFFLINE,
check the
1602
|
s
rrUnacknowledged
Alarns
Logtt and
see
rrNetwork
Errors[
in this
rnanual
for the
problem
cause/solution.
2.
Network
Errors.
Although every precaution has
been
taken
to
make
the
Expansion Bus Network
rrmaintenance
freett, occasionally
the
need
for
operat'or
-intervention
may
be
needed.
Network
errors
appear
in the
ttlogging
Menurf
under
Unacknowledged
or
Acknowledged Alarms.
Message
Notice/AIarm
No
Expansion
Devices
Node ONLINE
8RO
ID :
l-
Token Pass Missed
8RO
ID :
l-
No
Response
-
Node OrFLINE
8RO
ID =
L
Bad
Msg.
-
Node OFFLINE
8RO
ID =
l-
Bad
CKSum
-
Node OFFLINE
8RO
fD :
l-
AIarm
Notice
Notice
Alarm
Alarm
Alarm
The
rrNo
Expansion Devicesrt Alarm
means
the
Network
is
down
due
to either a
hardware
or
progranming
problem. This
Alarm
should
be followed by
one
or
more
trNode
ONLINE...rr
Notice(s) within 7-8 minutes. If no
rrNode
ONLINE...rt Notice
occurs,
Check
the
RS-485 communication
line
and
step
back
through
rrProgramming
the
L6O2
Network Setpointstf
.
The
last 3
alarms
the result in
rt...Node
OFFLINE...rr
and
should
also be followed by a
rrNode
ONLINE...rr
notice. If
no
ItNode
ONLINE...rr
Notice occurs,
check
the
hardware
and
programming
as described
above.
The
trToken Pass
Missed...frerror is self correcting
and
reguires
no action.
Most
of the
above
errors tend to be ttself correctingtt. If
an
expansion board
is
disconnected from
the
Expansion
Communication Bus powered downr
or
goes
OFFLINE
for
any
reason,
the
1602
will
check on
the
board once
a
minute
until it
responds
or is
removed
from
the
device
definitions
(rrSystem
f
nforr
Menu)
.
6