Assembly Instructions
5
Page 70 of 97
Operating Instructions
enCore FC1
5.4.17 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 DC
Ground
Line A Line B
0V
24V
RS232C
service
RS485 to RS232
converter
e. g. ADAM 4520
Data
+
Data
-
Fig. 5-22: 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
refer to chapter
Recommendations for Signal and Data Cable
(p. 47).