Hitachi H Series, Instruction Manual

Page: 136 / 143

17
No. Contents STATE display
Error
LED *2
Timing of ON
Timing of
OFF
Remarks
6 CPU commu-
nication error
OFF
On occurrence
of an error in the
communication
with CPU (WD
time error of
system bus, sum
error of system
bus)
･
Reset *1
･
Error reset
7 Overlap of station
number ON On occurrence
of overlap of
station number.
･
Reset *1
･
Error clear
after cancel-
lation of
error
8 Overlap of link
area ON On occurrence
of overlap of
link allocations
area.
･
Reset *1
･
Error clear
after cancel-
lation of
error
9 Outside of range
of station No. ON When dip
switch setting is
other than 0 - 63
･
Reset after
cancellation
of error *1
10 Outside of range
of link area ON When link area
designation
from the CPU is
outside of the
range
･
Reset *1
･
Error reset
11 Participation in
link without error
OFF When
participation in
link is made
without error
･
Reset *1
Normal
operation
12 Check normal OFF
･
Reset *1
rep-
resents loop
back data and
changes at
fixed
intervals.
13 Check error ON
･
Reset *1
rep-
resents the
data at the
time of
occurrence of
a loop back
error