Yokogawa Button Operated MV2000 - Manual (Page 138)

5-20 M-4662
Alarm Summary
• The MV returns the alarm summary in response to an FL command.
• The MV retains a maximum of 1000 alarm events.
Alarm events that exceed 1000 are cleared from the oldest ones.
• Syntax
EACRLF
yy/mo/dd_hh:mm:ss_kkk_ccc_ls_nnnnnnnnnnCRLF
···································
ENCRLF
yy/mo/dd hh:mm:ss Time when the alarm occurred
yy Year (00 to 99)
mo Month (01 to 12)
dd Day (01 to 31)
hh Hour (00 to 23)
mm Minute (00 to 59)
ss Second (00 to 59)
kkk Alarm cause
OFF: Alarm release
ON: Alarm occurrence
ACK: Alarm acknowledge
ccc Measurement, computation, or external input channel number
l Alarm level (1 to 4)
s Alarm type (H, h, L, l, R, r, T, or t)
nnnnnnnnnn Alarm sequence
_ Space
For all-channel alarms, the channel number, alarm level, and alarm status items
are all set to asterisk.
• Example
EA
01/05/11 12:20:00 ON 001 1L
1
01/05/11 12:30:00 OFF 131 3t 2
01/05/11 12:31:00 OFF *** ** 2
01/05/11 12:32:00 ACK 4
EN
5.2 Text Data Output Format