5
Assembly Instructions
enCore FC1
Operating Instructions
Page 71 of 97
5.4.18 Q.Sonic6 Ultrasound Gas Meter: Serial RS485 (EEx d) via
MFE7 Board
Hazardous Area
Safe Area
enCore device
MFE7 board
RSA
SH
GND
RSB
0V
24V
TB
1:
3
(+
18
..30
V DC
, 20
W
)
TB
1:
2
(0
V DC
)
TB
3:
3
(RxD RS
485
)
TB
3:
1
(TxD RS
485
)
TB
3:
2
(GN
D)
UFM Q.Sonic6
(EEx d)
Fig. 5-23: Interface for ultra sound gas meter (Q.Sonic6):
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. 47).