Instruction manual
13.
COMMUNICATION FUNCTIONS
13.1
2.9
Alarm
history
(1)
Alarm
No.
read
Read the alarm
No.
which occurred in the past. The alarm numbers and occurrence times of
No.
0
(last
alarm) to
No.
5
(sixth alarm in the past) are read.
(a) Transmission
Send command [3][3] and data
KO.
[lJ[O]
to
[1][5]. Refer to Section 13.11.1.
0)
Reply
m
The alarm
No.
corresponlng to the data
No.
is
provided.
LIam
No.
is
transferred in decimal.
For example, “0032” means
A.
32 and
“OOFF’
means
A.
-
(no alarm).
(2)
Alarm occurrence
time
read
Read the occurrence time of alarm whch occurred in the past.
The alarm occurrence time corresponding to the data
No.
is
provided in terms of the total time
beginning with operation
start,
with the minute
unit
omitted.
(a) Transmission
Send command [3][3] and data
No.
[2][0]
to
[2][5].
Refer to Section 13.11.1.
The alarm Occurrence time
is
transferred
in
decimal
Hexadecimal must be converted
into
decimal
For example, data [O][l][F][5] means that the alarm occurred in
501
hours after
start
of
operation
(3)
Alarm
history
clear
Erase the alarm hstory.
Send command [8][2] and data
No.
[2][0].
Command
I
Data
No.
I
Data
I
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