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30
M
MF
FC
C 3
30
00
0F
F M
Ma
as
ss
s ffllo
ow
w c
co
on
nvve
errtte
err jju
un
nc
cttiio
on
n b
bo
ox
x
The Power Supply Circuit is connected to ter and – and the Data Circuit is connected
to terminals A and B. The other terminals should not be used.
O
OP
PT
TIIM
MA
AS
SS
S // O
OP
PT
TIIG
GA
AS
S M
Ma
as
ss
s ffllo
ow
w s
se
en
ns
so
orr jju
un
nc
cttiio
on
n b
bo
ox
x
The Power Supply Circuit is connected to ter and – and the Data Circuit is connected
to terminals A and B. The other terminals should not be used. The jumper connection deter-
mines the termination resistor for the Data Circuit.
S
Sc
crre
ee
en
niin
ng
g::
Please see the illustrations above and refer to section 3.3.
3.4 Terminal Connections
S
B A
- +
-
12V
+
B A
1
MFC 300F Mass flow converter junction box
2
OPTIMASS / OPTIGAS Mass flow sensor junction box
1
2
AD OPTIMASS 300_010 Haz Areas Rev 01.qxp 05/03/2014 13:25 Page 30