STE 80722
– 76 –
: Currently occurring alarm acquisition with message (Host computer→ Controller)
AC
AC
The AC command is used to transfer the alarm that currently occurs in the controller
with message to the host computer.
For the details on the currently occurring alarm, see the FL (File) command.
Protocol
Controller Host computer
(1) Normal response
FL, Currently occurring alarm
(2) Error (Cannot receive request)
NG
Negative response
AC
OK
Affirmative response
When currently occurring alarm
reception is discontinued midway:
NG
Discontinuation request
Note
Put in a delay of about 50 msec until the host computer sends an affirmative
response OK to the controller after the host computer has received the currently
occurring alarm.
If many alarms occur, all alarms may not be able to be received by one
communication. To receive continuing alarms, send an affirmative response OK
during each reception.