37
Electromagnetic Flowmeter Converter
7.
Block Diagram
EMPTY
PIPE
DETECT
OR
INPUT
AMPLIFIER
SIGNAL
CONDITIONING
REFERENCE- AMPLIFIER
TIMER
CONTROL
U
REF
GA
TE
ARRA
Y
NUX
A
EEPROM
D
80C154
P
EPROM 27C512
NV
RAM
22C12
TIMER 82C53
Display
EXTERNAL
TO
TALIZER
RESET
POWER SUPPL
Y
CURRENT OUTPUT
HAR
T-
PROT
OCOL
EEPROM
V
AC
2
2
I DC
/HAR
T
2
2
2
2
2
2
2
2
3
2
ALARM
MAX
/MIN
REL./OPT
O
SCALED
PULSE
OUTPUT
AKTIV
,REL.,
OPT
O
DA
TA
LINK
RS485,
Profibus
DP
EXTERNAL
ZERO
RETURN
EXTERNAL
ZERO
ADJUST
FWD./REV
DIRECTION
SIGNAL
ALARM-CONT
ACT
RELA
Y,
OPT
OC.
PULSE
OUTPUT
FWD.
SCALED
OPT
OCPLR
PULSE
OUTPUT
UNSCALED
OPT
O
0-10
kHz
LN
P
E
1L1
1L2
E
+
-
U2
31
G2
P1
P2
P3
P4
V1
V2
V3
V4
U2
22
G2
U2
A1
44
45
46
V5
V6
C
onvert
e
r
50S
M
1000
Fig.16
Block Diagram
Содержание 50SM1000
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