
1. DISPLAY AND OPERATION
B–63505EN/02
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(3)NC alarms
NC alarms are displayed in reverse video.
P/S alarms, system alarms, and external alarms are displayed together
with their numbers.
For other types of alarms, only the alarm type is displayed. (No details
are displayed.)
Example)
P/S0050, SV_ALM, S_APC_ALM
(4)Time stamp (date and time)
The following time data (date and time) is recorded:
1) Date and time of power–on
2) Date and time of power–off
3) Date and time when an NC alarm occurs
4) The clock time is recorded at predetermined intervals, together
with each new calendar day.
1) The power–on time is displayed as shown below:
97/01/20 ==== Year/Month/Day
09:15:30 ==== Hour:Minute:Second
2) The power–off time and the time when an NC alarm occurred are
displayed in reverse video.
97/01/20 ==== Year/Month/Day
09:15:30 ==== Hour:Minute:Second
If a system alarm occurs, the date and time are not recorded.
3) At predetermined intervals, the clock time is displayed in reverse
video. Set the interval in minutes in parameter No. 3122. If zero
is set, the time is stamped at ten–minute intervals.
09:15:30 ==== Hour:Minute:Second
Each new calendar day is displayed in reverse video.
97/01/20 ==== Year/Month/Day
NOTE
The clock time is recorded for a specified interval only when
data is stored within that interval.
(1)P ress the
SYSTEM
function key.
(2)Press the continuous menu key
. The [OPEHIS] (operation
history) soft key is displayed.
D Input signal or output
signal to be recorded in
the operation history