YOKOGAWA Centum-XL User Manual

5. System Functions After Upgrade
5-15
TI 33K01B10-50E
Table Comparison of Details of Sequence Control Functions (2/2)
Function
Items of Functions
Compared
CENTUM V CENTUM-XL Upgraded FCS
Sequential logic
diagram
Execution timing
•Executiontiming:
Periodic execution (T)
•Outputtiming:[Each
time output when
conditions are true
(E)]
•Executiontiming:
Periodic execution (T)
One-shot execution (O)
Selected from execution
at the time of initial
cold start /at the time
of restart (I) or from
execution at the time of
initial cold start (B)
•Outputtiming:[Each
time output when
conditions are true (E)]
Scan period
Usually scanned on a
one-second basis. 0.5-
second scan period or
0.2-second high-speed
scan period selectable
Selectable from basic,
medium-speed and high-
speed scan periods.
Sequential
processing
Operation of switch
instrument
ExecutionofAUT→
MV=2→MANwithin
the same scan period
possible
ExecutionofAUT→
MV=2→MANwithin
the same scan period
possible
ExecutionofAUT→
MV=2→MANwithin
the same scan period
possible (Appropriate
processing is needed
after the scanning)
Internal switch allocations for systems are different between CENTUM V, CENTUM-XL and
CENTUM VP systems.
Table Comparison of Common Switch Functions
CENTUM V CENTUM-XL CENTUM VP
For system
NSW000-079 %SW0000-0079 %SW0001-0199
000 initial cold start (MAN) 0000 initial cold start (MAN) 0001 initial cold start (MAN)
001 restart (AUT) 0001 restart (AUT) 0002 restart (AUT)
002 transfer of control rights 0002 transfer of control rights
0003 sequence table initialization
start command
0004 sequence table initialization
start command
0004 sequence table restart
command
0005 sequence table restart
command
0005 transfer of control rights
005-047 valve monitor mask
command
0006 FCS start status
0007 long-term power failure/
momentary power failure
0008-0016 Reserve
0016-0020 abnormal cabinet
environment
0017-0400 FCS internal status
identication
0064 supervisory computer
failure
0064 supervisory computer failure
0065-0079 auxiliary switch for
system (cannot be used)
For sequence NSW080-511 %SW0080-2047 %SW0401-4000
Mar. 27, 2015-00

YOKOGAWA Centum-XL Specifications

General

Brand	YOKOGAWA
Model	Centum-XL
Category	Industrial Equipment
Language	English