Micromod MOD: 1800P - MOD 30ML Identity Module (Version 2) System, I/O and Communications Functions - Manual (Page 55)

Logic Functions - Book 1
SYSTEM EVENT BLOCK
3-29
3.4 SYSTEM EVENT BLOCK (SE1)
The system event block is an environment block that supports general instrument
operation. One system event block is supported as part of the instrument configuration to
define diagnostic and system event acknowledgement and reporting capabilities. System
events are events that occur in the instrument, are reported by database blocks, and can
be stored into the system event queue. The different types of system events are:
Informational only, Process Alarms, Notification/Request Messages, Diagnostics and
Acknowledge Only Diagnostics. The system event queue stores a configurable number of
time stamped event codes for the diagnostic points and events reported by the database
blocks. These codes are translated into messages for operator display or logging by the
interface software.
Available to the user as block outputs are the active and inactive status of all diagnostic
points and count values for different diagnostic conditions and event queue entries. A
functional block diagram of the block is shown in Figure 3-6. The menus, which are used
to configure the block, are shown in Figure 3-7, Figure 3-8 and Figure 3-9.
BAD
BAD
BAD
BAD
NONE
NONE
NONE
NONE
General Events
Diagnostic Events
PA and NM Events
QENDID
QID
Discrete LSP
Clear Queue
Global Acknowledge
Diagnostic Ack.
Process Alarm Ack.
Notif/Req Msg Ack.
ANYACT
ANYUNK
Diagnostic
Acknowledge
Input
Global
Acknowledge
Input
Write Only
Commands
Suppression
(Diagnostic
Groups or ALL)
(Yes/No)
Event Queue
Size
(0 to 1000)
Discrete LSP
NUMACT
NUMUNK
NUMABN
DGCTR
System Event
Process
Alarm
Acknowledge
Input
Discrete LSP
Notif/Req
Msg. Acknowledge
Input
Discrete LSP
Bad Inputs
Accepted
(YES/NO)
State
(RUN)
Quality Check
Report
Events
(Yes/No)
GOOD
GOOD
GOOD
GOOD
Figure 3-6. System Event Block (SE), Block Diagram