YOKOGAWA F3CU04-0S, User Manual

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C3-2
IM 34M06H62-02E 2nd Edition : June 2008-00
PV-related functions perform input-related processing. They also perform
processing for two-input changeover control, which uses two types of input to
achieve wide-range measurements.
E X P V .n
P V .n
P V IN .n
E xternal
input
N orm al
input
Input type selection
Square root extraction
B roken-line biasing
Input filtering
Input range conversion
Fixed biasing
E X P V/P V .n
B S L
S D P .n
IN .n
E X R JC .n
R H .n D E C .P .n
S H .n
FL.n
IN S E L.e
E X P V .e
P V .e
P V IN .e
E xternal input
N orm al input
E X P V/P V .e
P V .o
T w o -in p u t c h a n g e o v e r
C 3.11 Tw o-input changeover
P R H .e
P R L.e
P D P .e
S L.n
R L.n
R JC .n
M D 12 S E LH .e
S E LL.e
Two-input changeover
P V range
S E LM D .e
M D 34
".o" here denotes an odd channel
num ber , w here "o" is 1 or 3. ".e"
here denotes an even channel
num ber, w here "e" is 2 or 4. O nly
channels 1 and 2, or 3 and 4 can
be com bined.
Input register
I/O register
FR E Q
C 3.4 P V range setting
C 3.1 Input type selection
C 3.2 Pow er frequency selection
C 3.6 R eference junction com pensation
C 3.5 Burnout detection
C 3.8 Fixed biasing
C 3.9 Square root extraction
C 3.7 Broken-line biasing
C 3.10 Input filtering
C 3.12 E xternal input
'n' denotes a channel num ber,
ranging from 1 and 4.
C 3.3 Input range setting
S R .n
LC .n
X 1.n
Y 1.n X2.n
Y2.n X 3.n
Y 3.n
B S .n
Figure C3.1 Block Diagram of PV-related Functions