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Issue 5 - September 2006
Page 41 of 65
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00001
PMIO
R0499
32767
FALT
R0490
15852
00060
1.0s
R1202
15826
15845
15845
15846
6001
15852
15852
15846
15847
15847
6001
15844
03600
1.0s
R1203
15829
15827
15828
NOT
6006
Mandatory Network (except Register No/Discrete No/Timer values).
PMIO call 1 is used to read/write all I/O points in Table of operations 1. The FALT call transfers all system diagnostics to
register 490. 32767 is a mask of 15 bits that can be used to configure the call output. Note this mask does not inhibit any
diagnostics. Discrete 15826 is a pre-alarm generated 60 seconds after any I/O module (including serial I/O modules) is
taken Off-line. After returning an I/O module On-line the system diagnostics history must be cleared to reset this alarm.
The ESD logic is tripped (via Discrete 6006) if only one processor is running, on start up, or an critical I/O module is Off-line
for more that the time set in timer R1203, or an I/O module is removed from the chassis without first being taken Off-line, or a
I/O chassis is lost to be system by total power failure or loss of two MBB modules.
SINGLE SLOT
MODULE
OFFLINE
OverlapDis15852
MODULE
OFFLINE
PRE-ALARM
OverlapDis15826
MPP A
OUT OF
SYNC
MPP B
OUT OF
SYNC
OverlapDis15845
OverlapDis15846
OverlapDis15829
MPP A
OUT OF
SYNC
MPP C
OUT OF
SYNC
OverlapDis15845
OverlapDis15847
MPP B
OUT OF
SYNCH
MPP C
OUT OF
SYNCH
OverlapDis15846
OverlapDis15847
WorkingDis6001
WorkingDis6001
FIRST
SCAN
FIRST
SCAN
SINGLE SLOT
MODULE
OFFLINE
SYSTEM
INITIALISE
ERROR
PLC
INITIALISE
SHUTDOWN
OverlapDis15852
OverlapDis15844
OverlapDis15827
SINGLE SLOT
MODULE
OFFLINE
OverlapDis15852
MODULE
OFFLINE
SHUTDOWN
OverlapDis15828
DIAGNOSTIC
PLC
SHUTDOWN
WorkingDis6006
Network 001 - Input Read / Output Write / Mandatory System Diagnostics
Scan Rate 00030 ms
Label 01002 Enabled
ESD
2oo3 VOTED
MPP
SHUTDOWN