User's Manual

Chapter 11 Appendix MDC-7000P/7900P Series
0093169006-05E 11-24
Heartbeat
HBT Heartbeat supervision sentence
x*hh<CR><LF>
Chec k s u
m
Sequential sentence identifier
Equipment status A=Yes, V=No
Configured repeat interval
$-- HBT, x.x,
A
,
Event message
EVE General event message
c--c*hh<CR><LF>
Chec k s u
m
Event description
Tag code used for identification of source of event
Ev e n t t ime
$ -- EVE, hhmmss.ss, c--c,
ACK Acknowledge alarm
Chec k s u
m
Unique alarm number (identifier) at alarm source
$ -- ACK, xxx *hh<CR><LF>