YOKOGAWA Centum V User Manual

5. System Functions After Upgrade
5-8
TI 33K01B10-50E
5.1.4 Comparison of Sequence Control Function
Upgraded FCS have no computational expressions (NCLxxx, %CLxxx) for sequence control. If
these functions are used, a one-shot driven, general-purpose calculation block (CALCU) should
be used.
Table Comparison of Sequence Control Function
Block type
Model
Description
CENTUM V CENTUM-XL Upgraded FCS
Sequence
table
NST %ST
ST16 Total of 64 input and output signals and 32 rules
M_ST16
Total of 96 signals (32-64 input and 32-64 output
signals) and 32 rules (*1)
L-ST16 64 input and 64 output signals, and 32 rules
– – ST16E For extending rules to 32
– – M_ST16E For extending rules to 32 (for M_ST16) (*1)
– – L_ST16E For extending rules to 32 (for L_ST16) (*1)
Switch
instrument
– SI-1 SI-1 1-input switch instrument
– SI-2 SI-2 2-input switch instrument
– SO-1 SO-1 1-output switch instrument
– SO-2 SO-2 2-output switch instrument
– SIO-11 SIO-11 1-input, 1-output switch instrument
– SIO-12 SIO-12 1-input, 2-output switch instrument
– SIO-21 SIO-21 2-input, 1-output switch instrument
– SIO-22 SIO-22 2-input, 2-output switch instrument
– SIO-12P SIO-12P 1-input, 2-pulse-output switch instrument
– SIO-22P SIO-22P 2-input, 2-pulse-output switch instrument
Sequence
auxiliary
NTM %TM TM Internal timer (with tag name)
NCT %CT
CTS Internal counter (with tag name)
CTP Pulse train counter (with tag name)
NCI %CI CI Code input (with tag name)
NCO %CO CO Code output (with tag name)
NRL %RL RL Relational expression (with tag name)
NCL %CL CALCU
Computational expression (In Upgraded FCS, the
function is covered by CALCU is one-shot driven.)
– %RM RS Resource scheduler
Valve monitor (*2) (*2) VLVM Valve monitor
Batch status
indicator
– BSI BSI
Batch status indicator (A function block of the faceplate
function)
*1: Can be used if upgrade type database (with sequence table with expanded number of signals) is selected.
*2: Although no element name is given, a valve output monitoring function exists.
Mar. 27, 2015-00

YOKOGAWA Centum V Specifications

General

Brand	YOKOGAWA
Model	Centum V
Category	Industrial Equipment
Language	English