6
Assembly Instructions
enCore FC
Operating Instructions
Page 87 of 120
6.4.21 Q.Sonic Ultrasound Gas Meter: Serial RS485 (EEx d) via
MFE7 Board
Hazardous Area
Safe Area
enCore device
MFE7 board
RSA
UFM Q.Sonic
(EEx d)
SH
GND
RSB
0V
24V
+12
/30
V D
C
Gr
ou
nd
Lin
e A
Lin
e B
0V
24V
RS232C
service
RS485 to RS232
converter
e.g. ADAM 4520
Dat
a
+
Dat
a
-
Fig. 6-26: Interface for ultra sound gas meter (Q.Sonic):
serial RS485 (EEx d) via MFE7
Consider the recommendations made with regards to cable length
and connection resistors in
Recommendations for Signal and Data Cable
(p. 55).
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